DWELL BEYOND THE ORDINARY
ADU Regulations in Virginia: The Complete Guide
There’s nothing quite like enjoying the charm and beauty of Virginia, whether you’re taking in the views of the Blue Ridge Mountains or soaking up the serenity of the Chesapeake Bay. Imagine doing all that from the comfort of a well-designed modular Accessory Dwelling Unit (ADU) that offers a peaceful respite from the demands of daily life. This isn’t just wishful thinking, it can become your reality!
Whether you’re seeking a peaceful backyard getaway or a way to bring in rental income, ADUs can provide the flexibility and functionality to make it happen.
Zook Cabins provides high-quality modular ADUs that are tailored to fit both your lifestyle and your property, giving you the opportunity to create additional housing without sacrificing quality or style. Request a free quote today and take the first step toward your own Virginia ADU.
Are ADUs Allowed in Virginia?
Yes, but the rules depend entirely on where you live. Virginia does have a statewide ADU law; however, each city, town, and county creates its own regulations. Legislation is currently in process that would mandate counties to allow at least one ADU. However, this bill has not been passed yet, which means that for now, the regulations are left up to the local level.
Regulation leaves discretion to local governments; it’s essential to check your zoning ordinance before moving forward. Generally, if you’re in an incorporated area, you’ll find some path toward approval, but unincorporated regions can be more restrictive.
What Is Considered An ADU in Virginia?
In Virginia, an ADU is typically defined as a secondary, self-contained housing unit on the same lot as a primary residence, complete with its own kitchen, bathroom, and sleeping area. While the general concept is the same across the state, the precise legal definition can vary from one municipality to another.
Some areas distinguish between attached and detached ADUs, while others group them together under the same category. Because the terminology and requirements can shift depending on location, it’s important to confirm exactly how your local government defines an ADU before starting your design or purchase process.
Can Park Model ADUs Be Used As ADUs?
Possibly, but it depends on local code. Some Virginia municipalities set maximum ADU sizes at 500 square feet or less, which fits within the dimensions of most park model homes. However, most areas require ADUs to be built on a permanent foundation, and Virginia follows Appendix Q of the building code for tiny homes under 400 square feet.
If you plan to use a park model as an ADU, you’ll likely need to meet the permanent foundation requirement and receive explicit approval from your zoning department. This makes park models a feasible option in certain jurisdictions, but not universally accepted across the state.
However, if you want more info regarding how Virginia and the USA at large define homes for ADUs, take a look below and find the state that most interests you.
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| AZ | IN | MS | ND | UT |
| AR | IA | MO | OH | VT |
| CA | KS | MT | OK | VA |
| CO | KY | NE | OR | WA |
| CT | LA | NV | PA | WV |
| DE | ME | NH | RI | WI |
| FL | MD | NJ | SC | WY |
| GA | MA | NM | SD | |
| ID | MI | NY | TN |
Can Log Cabins Be Used As An ADU?
Yes, provided they meet the local size and building requirements. A small prefab log cabin that falls within your municipality’s square footage limits could qualify as an ADU, and many of Zook Cabins’ models start around 700 square feet, which fits within common Virginia size caps. Local regulations will still control details like setbacks, height restrictions, and whether the ADU must match the exterior style of the primary dwelling, so it’s always best to get your building department’s approval before committing to a purchase.
Can Modern Cabins Be Used As An ADU?
Yes, modern cabins can be an excellent choice for an ADU in Virginia if they comply with the local size, height, and setback rules. Some localities allow ADUs up to 1,000 square feet, while others are more restrictive, but Zook Cabins offers multiple modern designs under that size threshold. As with any ADU type, the key factor is local compliance which means a modern cabin can be fully eligible in one jurisdiction while needing modifications in another.
What is the Difference Between a Prefab ADU & a Modular ADU?
The distinction lies mainly in how they are constructed and delivered. A prefab ADU is built entirely in a factory and shipped as one complete structure, ready to be set on a permanent foundation.
A modular ADU is also factory-built but comes in multiple sections, which are assembled on-site and finalized by a construction crew.
In Virginia, local codes generally treat prefab and modular ADUs the same way as long as they meet building standards and are installed on a permanent foundation. Zook Cabins specializes in modular ADUs built to single-wide modular home standards, ensuring they meet both state and local requirements.
What is the Minimum Size for an Accessory Dwelling Unit?
Virginia sets no statewide minimum or maximum size for ADUs. This means that local governments usually have the final say in the size. In practice, most municipalities require a minimum of 200–500 square feet. On the other end of the spectrum, an ADU can typically not be larger than 1200 square feet.
Can My ADU be Bigger Than My House?
No, because ADUs are designed to be an accompanying structure, there are no areas that allow them to be larger than your primary dwelling. Most states cap ADUs at a certain square footage or a percentage of the main house, and Virginia is no exception.
How Close To My House Can I Build An ADU?
Just like other requirements, the lack of state and county-wide regulations makes this unclear and left up to local discretion. That said, the typical requirement is a minimum setback of 5 ft and a 3 ft side setback. ADUs are generally required to be at least 10 ft away from the primary dwelling.
Do You Need A Permit For An ADU in Virginia?
Yes, without exception. Every ADU in Virginia requires a building permit, which confirms compliance with zoning, safety, and construction standards. In addition to the building permit, you may also need electrical, plumbing, and HVAC permits, plus environmental health permits if you’re connecting to a septic system. While the permitting process may seem tedious, it ensures your ADU is legal and safe for long-term occupancy.
Are There Any Incentives or Grants for ADUs in Virginia?
Currently, Virginia offers no statewide financial incentives, grants, or tax breaks for building an ADU. Some cities like Charlottesville or counties may have programs that waive certain fees or promote affordable housing through reduced permitting costs, but these are localized and vary greatly. If affordability is a concern, it’s worth asking your municipality if any temporary initiatives or pilot programs are in place.
Are Zook Cabin’s ADUs Built to Code?
All Zook Cabins ADUs are designed to meet or exceed local building codes in Virginia. They are fully customized to include the necessary living, kitchen, and bathroom spaces, and can be configured to suit one- or two-bedroom layouts. The quality craftsmanship ensures durability and comfort, whether your ADU will be used as a family living space, rental property, or home office.
Can an ADU Have Multiple Bedrooms and Bathrooms?
You sure can. Depending on where you reside, your Virginia county will permit enough square footage to accommodate a multi-bedroom/bathroom ADU. Zook Cabins offers several 1 bedroom ADU models that are perfect for a single or couple starting off life in an ADU. We also design and sell several two bedroom models that may fit the needs of a small family better. Our Grove ADU has the option for two bedrooms and two bathrooms while still fitting under 1,000 square feet.
Are ADUs A Good Investment?
Absolutely. ADUs can increase your property’s resale value, create potential rental income through long-term tenants or short-term vacation stays, and offer flexibility for changing family needs over time. In Virginia’s competitive housing market, adding an ADU can make your property stand out while also providing a practical solution for multi-generational living or supplemental income.
Does Accomack County Allow ADUs?
Possibly. Accomack County allows ADUs in certain zoning districts, but the rules are specific and tied to the county’s coastal and rural land-use priorities. In most residential areas, an ADU must be clearly subordinate to the main house, located on the same lot, and meet setback and lot coverage requirements.
The county zoning ordinance outlines size limits, often capping the ADU at a percentage of the main dwelling’s footprint or a fixed maximum square footage. Some zones allow attached units by right, while detached units may require special use permits. As with most localities in Virginia, there is no county-wide ADU incentive program, so permitting and zoning approval are required before any construction can begin. Reach out to the Accomack County Zoning Department for the next steps.
Does Albemarle County Allow ADUs?
Yes! In Albemarle County, ADUs, referred to in the code as “accessory apartments” for attached units and “accessory structures” for detached ones, are permitted in many residential and rural zoning districts with specific limitations. Attached units may be allowed by right within the existing home or an addition, while detached units often require a special use permit. Size limits are generally set at 1,200 square feet or 35% of the size of the main dwelling, whichever is less.
Owner occupancy is typically required in either the main or accessory unit, and separate utility connections may be subject to additional review. Permits are needed for all structural, plumbing, and electrical work, and properties on private septic systems must verify capacity before approval. The county encourages applicants to schedule a pre-application meeting with zoning staff to avoid delays.
Does Alleghany County Allow ADUs?
Yes. Alleghany County permits ADUs in certain residential zones but typically requires that they be clearly secondary in scale and use compared to the primary dwelling. Most often, the unit must be attached or located within the existing home, although detached units can be considered through a special use process.
The maximum size is generally capped at either 800–1,200 square feet or a set percentage of the main dwelling’s floor area. Additionally, the ADU must meet all the placement standards and remain behind the primary dwelling. Utilities must meet building code standards, and septic system capacity must be confirmed where applicable. Alleghany’s zoning department can provide detailed guidance, as requirements may differ between incorporated towns and unincorporated county areas.
Does Amelia County Allow ADUs?
Maybe. In Amelia County, accessory dwelling units are generally reviewed on a case-by-case basis. ADUs must be subordinate to the main house and located on the same lot, with detached units requiring special use permits. Size is typically limited to a percentage of the main dwelling (often around 35%) or a maximum of 1,200 sq ft. Setbacks must align with what’s required for the primary structure, and any new plumbing, electrical, or HVAC work will require trade permits in addition to the main building permit. Properties served by private septic systems must demonstrate adequate capacity. As local codes can vary between town and rural districts, it’s always smart to reach out to Amelia County’s zoning department or planning commission and review their permit application portal before diving in.
Does Amherst County VA Allow ADUs?
Yes! Amherst County permits ADUs in many residential and agricultural zoning districts, but detached units require a conditional or special use permit. ADUs must remain clearly secondary to the primary dwelling in both size and appearance, capped at around 35% of the main home’s square footage or 1,200 sq ft. Setbacks mirror those of the main house, and the county enforces all standard building, plumbing, and electrical permits.
Since town and rural requirements may differ, applicants should consult with the Amherst County planning department, check the county website for zoning regulations, and consider scheduling a pre-application meeting to smooth the process.
Does Appomattox County Allow ADUs?
Yes, in Appomattox County, ADUs are allowed in many residential zones subject to detailed criteria. These units must be subordinate in scale and fit within the existing lot layout; detached ADUs require a conditional use permit. Size is capped at 800–1,200 sq ft or a percentage of the main dwelling’s size. Common setbacks must be followed, and all involved work, including plumbing, electrical, and structural, must go through the county’s permitting process. Properties on septic systems need capacity approval from the health department.
Because interpretations can vary in incorporated towns versus rural areas, it’s best to contact Appomattox County’s zoning office and review planning commission guidelines online before proceeding.
Does Arlington County Allow ADUs?
Yes, Arlington allows by-right ADUs if one unit is owner-occupied and the total size does not exceed 800 sq ft or 30% of the FAR. Detached ADUs must be at least 10 feet from the main house. A full building permit and utility permits are required. Design review ensures the unit matches neighborhood character. You’ll want to visit Arlington County’s Department of Community Planning site for detailed zoning requirements, use their permit portal to get started, and consult their planning office directly for design guidance.
Does Augusta County Allow ADUs?
It appears that Augusta County permits ADUs in many single-family residential zones with the condition that units remain accessory in scale to the primary residence. Detached units typically require a special use permit, and size limits hover around 35% of the main dwelling or 1,200 sq ft. Standard setback and lot coverage rules apply, and trades permits for plumbing, electrical, and mechanical work are required.
Since regulations can differ between towns like Staunton and rural areas, applicants should consult Augusta County’s zoning office, check their online permit forms, and consider attending a planning commission meeting or informational session before submitting.
Does Bath County Allow ADUs?
Yes, Bath County permits ADUs in select residential and agricultural zoning districts, but approvals depend heavily on meeting rural land-use and environmental standards. An ADU must remain clearly secondary to the primary dwelling, and detached units usually require a special use permit. Size restrictions are common, often capped at 1,200 square feet or a set percentage of the main house’s footprint.
The ADU must respect setback rules, and any property on a private septic system will need health department clearance before approval. Because regulations can vary in more environmentally sensitive areas, the best next step is to contact Bath County’s zoning office or planning commission and review their online permitting information before submitting an application.
Does Bedford County Allow ADUs?
It looks that way! Bedford County allows ADUs in certain residential and agricultural zones, with the goal of preserving the county’s suburban-rural balance. Most units must be subordinate to the main residence, follow standard lot coverage and setback rules, and fit within a maximum size limit of around 800–1,200 square feet. Detached units generally require a special use permit, while attached units may be allowed by right. Building, plumbing, and electrical permits are mandatory for all construction, and septic or well systems must meet current standards. Anyone considering an ADU in Bedford should start by reviewing the county’s zoning ordinance online, then confirm project details directly with the zoning department.
Does Bland County Allow ADUs?
It seems that Bland County has provisions for accessory dwellings in specific residential zones, though these are often handled through a conditional use process. ADUs must remain clearly secondary to the main house, with limits on square footage and height. Setbacks must meet district requirements, and new construction will require full permitting. In rural areas without public utilities, septic system capacity and water supply adequacy must be verified before approval. Because Bland County’s rural nature means that requirements can vary widely between locations, the most reliable next step is to contact the county zoning office to clarify the rules for your property.
Does Botetourt County Allow ADUs?
Yes, Botetourt County permits accessory dwelling units in several zoning districts, especially in rural residential areas, though the specifics differ for attached and detached units. Detached ADUs often require a special exception, and the county enforces limits on total size. Design compatibility with the main residence may be required, and setbacks must comply with zoning district rules. All building and trade work needs to be permitted, and septic systems must be evaluated for additional occupancy. Homeowners should review Botetourt’s zoning code and reach out to the development services or planning department to confirm exact requirements before beginning design work.
Does Brunswick County Allow ADUs?
Brunswick County allows ADUs in certain residential zones, though the process for approval can differ depending on whether the unit is attached or detached. Detached units frequently require a conditional use permit, and maximum size limits apply which are usually tied to a percentage of the primary dwelling’s square footage. Setback compliance and adherence to lot coverage rules are essential, and properties without public water and sewer must pass a health department review for septic capacity. To get accurate and current details, the next step is to visit Brunswick County’s planning department website and speak directly with zoning staff about your proposed ADU.
Does Buchanan County Allow ADUs?
Maybe. Buchanan County does not have broad, countywide regulations dedicated specifically to accessory dwelling units, but ADUs may be considered in certain residential or agricultural zones through the special use permit process. Since local ordinances can change, the most reliable next step is to contact Buchanan County’s zoning office or planning commission for guidance and to review the current permit application process.
Does Buckingham County Allow ADUs?
Yes, Buckingham County allows accessory dwelling units in some zoning districts, though detached units usually require a special use permit. The county enforces limits on square footage, typically ensuring the ADU is no larger than a set percentage of the main home or capped around 1,200 square feet.
Units must follow all standard setbacks, and design compatibility with the main dwelling may be requested in certain neighborhoods. All new ADU construction requires building permits, and septic system capacity must be confirmed when not on public sewer. Because requirements can vary depending on whether the property is in a more rural area or a subdivision, homeowners should start by contacting the Buckingham County planning department and reviewing their zoning ordinance online.
Does Campbell County Allow ADUs?
Currently, Campbell County permits ADUs in specific residential zones, with different rules for attached and detached structures. Attached units may be allowed by right, while detached units often require a special use permit. The size of the ADU is generally restricted to about 1,200 square feet or a certain percentage of the main dwelling’s floor area.
Standard setbacks apply, and all utilities must meet building code standards. In rural areas, properties relying on wells and septic systems must demonstrate capacity for additional residents. Before moving forward, the best step is to check the county’s zoning ordinance and contact the Campbell County planning department for permit requirements and timelines.
Does Caroline County Allow ADUs?
Yes! Caroline County allows ADUs in several residential and agricultural zoning districts, provided they are clearly secondary to the primary dwelling. Size limits typically range from 800 to 1,200 square feet, and detached units may require a conditional use permit. Placement must follow established setback rules, and ADUs cannot be located in front of the main residence.
All new units require building permits, and utility connections must be reviewed for adequacy. Because Caroline County contains both rural and suburban development areas, zoning requirements can differ. For accurate and site-specific information, residents should reach out to the county zoning office and review application materials on the planning department’s website.
Does Carroll County Allow ADUs?
Yes, Carroll County permits accessory dwelling units in certain zones, though approval often depends on whether the unit is attached or detached. Detached ADUs generally require a special use permit, and square footage is usually capped at around 1,200 or tied to a percentage of the main dwelling’s size.
Setbacks follow district regulations, and the ADU must remain secondary in scale and use. Utility and septic capacity must be confirmed before construction can begin. With many properties in agricultural or rural areas, requirements can vary depending on location. The most reliable next step is to contact Carroll County’s planning and zoning department and review their permit process before preparing plans.
Does Charles City County Allow ADUs?
It seems that Charles City County allows accessory dwelling units in certain residential and agricultural zoning districts, but detached units generally require a conditional use permit. An ADU must remain clearly secondary to the main dwelling, comply with maximum size limits and meet all district setback rules. Placement in front of the main residence is typically prohibited, and new construction must go through the full building permit process, including plumbing and electrical approvals. Properties using septic and well systems must show adequate capacity for additional residents.
Because Charles City County’s rural nature means requirements can differ by location, the most effective next step is to contact the planning and zoning department and review permit forms and zoning codes on the county’s official website.
Does Charlotte County Allow ADUs?
Charlotte County permits accessory dwellings in various zoning districts, with different requirements for attached and detached units. Attached ADUs may be allowed by right, while detached ones typically require a special use permit. Size restrictions are enforced to ensure the unit stays smaller than the main residence, often with a cap near 1,200 square feet.
The county also enforces standard setbacks and lot coverage limits, and utility connections must be evaluated for adequacy. Given the county’s mix of rural and small-town areas, it’s important to verify whether your property’s zoning district allows an ADU. The best next step is to reach out to the Charlotte County planning department for guidance and to review the latest zoning ordinance.
Does Chesterfield County Allow ADUs?
Chesterfield County allows accessory dwelling units in several zoning districts, though the process depends on the type of ADU. Attached units may be permitted by right, while detached units usually require a conditional use permit. The county typically limits ADU size to 800–1,200 square feet or a percentage of the main dwelling’s area, and setbacks must match district requirements.
Building permits are required for all construction, and septic or well systems must meet capacity standards when public utilities are unavailable. Chesterfield also considers neighborhood compatibility in its review process. Residents should begin by visiting the county’s planning department website, using their zoning lookup tool, and contacting staff for details on permit requirements.
Does Clarke County Allow ADUs?
Clarke County permits ADUs in certain residential and agricultural zoning districts, but detached units usually require a special use permit. The size limit is typically set at 1,200 square feet or a set percentage of the main dwelling’s size. Units must follow district setback rules, and properties on septic systems must get health department approval before construction. The county also emphasizes maintaining the rural character of its landscapes, which can influence design standards.
Because zoning rules can vary for properties within incorporated towns, the most reliable next step is to contact Clarke County’s planning department and review ADU guidelines and permit forms on their website.
Does Craig County Allow ADUs?
Yes, Craig County allows accessory dwellings in select residential and agricultural zones, generally requiring that they remain secondary to the primary home and comply with size limits around 1,200 square feet or less. Setback rules must be met, and detached units typically go through a conditional use process. All building and trade work needs permits, and septic capacity must be confirmed if not on public utilities.
Due to the county’s rural nature and limited infrastructure, requirements can vary significantly depending on location. The best next step for interested homeowners is to contact Craig County’s zoning department and review permit procedures before committing to plans.
Does Culpeper County Allow ADUs?
Currently, Culpeper County permits accessory dwelling units in certain residential and agricultural zoning districts, but the rules differ for attached and detached structures. Attached units are often allowed by right, while detached ADUs usually require a conditional use permit. Size limits are common, generally capping the unit at 1,200 square feet or a percentage of the main dwelling’s floor area. Standard setbacks apply, and the ADU must remain clearly secondary in use and appearance. All building and trade permits must be secured before construction, and properties using private septic systems must have capacity verified by the health department.
For the most accurate and up-to-date requirements, homeowners should review Culpeper County’s zoning ordinance and speak directly with planning department staff.
Does Cumberland County Allow ADUs?
As of right now, Cumberland County does allow ADUs in some zoning districts, although detached units typically require a special use permit. The county sets maximum size limits—often around 1,200 square feet or based on a percentage of the main home—and enforces standard setbacks for placement. Units must be clearly subordinate to the primary dwelling, and all construction work, including electrical and plumbing, must be permitted. In rural areas without public sewer and water, septic and well systems must meet health department standards.
The most reliable next step is to contact the Cumberland County zoning office or planning commission and review the ADU section of their code online before finalizing any plans.
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Does Dickenson County Allow ADUs?
Like other rural Virginia counties, Dickenson County has no broad, countywide ADU policy but allows them in certain residential or agricultural zones under specific conditions. Detached units usually require a special or conditional use permit, and all ADUs must be smaller than the primary dwelling, often with a cap of 1,200 square feet. Placement must comply with setbacks, and infrastructure—especially septic capacity—must be confirmed before approval.
Given the county’s varied terrain and limited public utilities in many areas, the best approach is to confirm feasibility with the zoning department early in the process. Property owners should review Dickenson County’s permitting guidelines and speak directly with planning staff to avoid delays.
Does Dinwiddie County Allow ADUs?
In Dinwiddie County, accessory dwelling units are permitted in certain zoning districts, with attached units generally allowed by right and detached units often requiring a special use permit. The county caps ADU size at around 1,200 square feet or a percentage of the main dwelling’s size, and setback requirements mirror those for the principal structure. All construction must be permitted, and health department approval is needed for septic systems.
Because Dinwiddie blends rural and suburban areas, requirements can vary depending on location. The best next step is to check the zoning map for your property and consult the county’s planning department for exact guidance.
Does Essex County Allow ADUs?
At this time, Essex County allows ADUs in specific residential and agricultural districts, but detached structures usually require a special use permit. Units must remain clearly secondary in scale to the main home, comply with setback and lot coverage rules, and fit within size limits—typically 1,200 square feet or less. The county requires building, electrical, and plumbing permits for all ADU projects, and properties without public sewer must meet septic capacity requirements.
To ensure compliance and speed up the process, homeowners should review Essex County’s zoning ordinance online and speak with planning staff or the building inspections office before beginning construction.
Does Fairfax County Allow ADUs?
As of right now, Fairfax County allows accessory units when they are clearly secondary to a single-family home and meet location, size, and use standards; interior or attached units are the most straightforward, while detached units typically face a higher review bar. Expect owner-occupancy or similar occupancy controls, limits on total floor area relative to the main home, compatibility with setbacks and lot coverage, and full building/trade permits; septic capacity must be cleared where public sewer isn’t available.
Because Fairfax has nuanced processes (and some rules differ by whether the unit is inside the house versus in a separate structure), the next step is to check the county zoning ordinance and permit portal, then contact Zoning Administration or Land Development Services to confirm the approval pathway and any special exception requirements.
Does Fauquier County Allow ADUs?
Currently, Fauquier County permits accessory dwellings in several residential and rural/ag zones with a strong emphasis on preserving rural character; attached units are typically more routine, while detached ADUs often require a special/conditional review. Caps on size (either a fixed square footage or a percentage of the principal dwelling), standard setbacks, and compliance with well/septic capacity are common, and full building, electrical, plumbing, and mechanical permits apply.
Because Fauquier’s code distinguishes between by-right and special-permit scenarios and some villages have tighter standards, the most effective next step is to review the county zoning ordinance and speak with the Zoning & Planning Division, then use the Building Permits/Inspections page to map the submittals you’ll need.
Does Floyd County Allow ADUs?
Like other rural Virginia counties, Floyd allows accessory dwellings in select districts provided they remain subordinate in size and use, meet district setbacks, and pass health department checks when on private systems; detached units are more likely to need a conditional/special use review. Architectural compatibility may be requested in certain areas, and you’ll still need building and trade permits even for a smaller, interior “apartment” configuration.
Because Floyd’s terrain, roads, and utility access can affect feasibility, your best next step is to confirm your parcel’s zoning with the Planning & Zoning office, review the ordinance section that covers accessory dwellings or accessory apartments, and follow the county’s permit checklist before you finalize plans.
Does Fluvanna County Allow ADUs?
At this time, Fluvanna County provides a path for accessory dwelling units in multiple residential/rural districts with rules that keep the unit clearly secondary to the main home; interior or attached ADUs are generally simpler, while detached units often require a special permit and careful siting to meet setbacks and lot coverage.
Expect a square-foot cap or percentage limit, plus standard building/plumbing/electrical/HVAC permits, and health department approval for septic if you’re outside public sewer. Because HOA-governed areas and lake communities can add their own restrictions beyond county code, the next step is to confirm the zoning district and ADU standards with Community Development, review the permitting page, and—if applicable—obtain any HOA approvals in parallel.
Does Franklin County Allow ADUs?
Currently, Franklin County allows accessory dwellings in certain zones with clear “accessory” tests: the unit must be smaller than and subordinate to the principal residence, comply with district setbacks, and meet utility and life-safety codes; detached ADUs typically move through a conditional/special review, whereas an attached or internal unit may be simpler. Rural parcels on wells and septic systems will need capacity verification, and some shoreline areas may trigger additional environmental setbacks. To avoid missteps, the next step is to confirm details with the Planning & Community Development Department, review the zoning ordinance section on accessory dwellings, and use the county’s building inspections portal for the permit sequence and required drawings.
Does Frederick County Allow ADUs?
Currently, Frederick County provides a path for accessory dwelling units in select residential and rural districts, with the county distinguishing between attached “accessory apartments” and detached structures that face tighter review. Expect the ADU to remain clearly secondary to the main home, to meet district setbacks and lot coverage, and to comply with life-safety and utility standards; interior or attached units are generally more straightforward, while detached units often require a special or conditional approval.
Parcels on well and septic need health department clearance before permits move forward. For precise requirements on size caps, location, and any owner-occupancy or rental conditions, the next step is to confirm your parcel’s zoning and speak with Frederick County planning/zoning and the building inspections office.
Does Giles County Allow ADUs?
As of right now, Giles County treats accessory dwellings much like other rural Virginia localities: attached units are typically possible where single-family housing is allowed, while detached units, if considered, usually move through a special review.
The unit must be subordinate to the principal residence, meet setbacks for the zoning district, and satisfy building, electrical, plumbing, and mechanical codes; private systems (well/septic) must demonstrate adequate capacity. Because mountain terrain, road access, and utility conditions can affect feasibility, homeowners should start by confirming zoning for the property and then contacting Giles County planning and building to review permit checklists and any supplemental standards that may apply.
Does Gloucester County Allow ADUs?
Like other Tidewater counties, Gloucester allows accessory apartments in certain districts while applying careful siting and design rules to protect neighborhood character and environmental areas. An ADU must stay secondary in scale to the main home, observe setbacks and lot coverage limits, and meet Chesapeake Bay Preservation Area requirements where applicable; detached units often face a conditional use process, while an interior “accessory apartment” can be simpler.
Standard building and trade permits are required, and septic capacity must be verified when not on public sewer. For the cleanest path, review Gloucester’s zoning for your district, then consult the planning department and building inspections for submittal requirements and any coastal/environmental overlays that affect your lot.
Does Goochland County Allow ADUs?
At this time, Goochland County provides for accessory dwelling units in several residential and agricultural districts, emphasizing that the unit be clearly secondary and compatible with the principal dwelling. Size limits typically apply, placement must follow district setbacks, and detached ADUs commonly require a special or conditional approval, while attached units may be allowed by right.
Projects must obtain building, electrical, plumbing, and mechanical permits, and properties relying on wells and septic must meet health department standards. Next step: verify your zoning district, review Goochland’s ordinance language for accessory dwellings, and coordinate with Community Development and Building Inspections to map the exact approvals you’ll need.
Does Grayson County Allow ADUs?
As with many rural mountain jurisdictions, Grayson County allows accessory dwellings in limited circumstances, generally requiring that the unit be smaller than and clearly subordinate to the main home, with compliance to district setbacks and lot coverage. Detached units are more likely to require a conditional use approval, while interior or attached configurations may be simpler if the parcel and district allow them. All ADUs must pass building and life-safety review, and private septic systems must be evaluated for added load. Because site conditions and infrastructure vary widely across the county, homeowners should confirm parcel zoning and then contact Grayson County planning/zoning and building inspections to review the submittal steps before drafting plans.
Does Greene County Allow ADUs?
Currently, Greene County permits accessory dwelling units in certain residential and rural zoning districts, with requirements aimed at keeping them clearly secondary to the primary dwelling. Size limits often fall between 800 and 1,200 square feet or are tied to a percentage of the main home’s floor area, and setback rules from the zoning district apply.
Detached units usually require a special or conditional use permit, while attached units may be allowed by right. All ADU projects must go through the building permit process, including electrical and plumbing approvals, and properties relying on septic must verify capacity with the health department. The next step is to confirm your property’s zoning and speak directly with the Greene County planning and zoning department to review the ordinance and application process.
Does Greensville County Allow ADUs?
As of right now, Greensville County allows accessory dwellings on certain residentially zoned properties, though the approval process is generally more straightforward for attached or internal units. Detached ADUs tend to require special use permits and must comply with maximum size restrictions, setback rules, and lot coverage limits. The county also enforces health and safety standards through its building permit process, and septic or well systems must meet health department requirements.
Because Greensville includes both county and town jurisdictions, the most reliable next step is to verify which applies to your parcel, review the zoning ordinance, and work with the planning department to determine the exact requirements for your ADU.
Does Halifax County Allow ADUs?
Like other rural Virginia counties, Halifax permits accessory dwelling units in some residential and agricultural districts, provided they remain smaller than and clearly secondary to the principal home. Detached ADUs typically require a special use permit, and size caps often limit them to 1,200 square feet or less.
All setback requirements for the zoning district must be met, and ADUs on well and septic must get clearance from the health department before permits are issued. Building, electrical, plumbing, and mechanical permits are required for any ADU, regardless of size. To move forward, homeowners should confirm their zoning designation, review the county’s ordinance language on accessory dwellings, and contact the planning department for guidance on applications and timelines.
Does Hanover County Allow ADUs?
Currently, Hanover County permits accessory dwelling units in certain residential and agricultural districts, but the type of approval needed depends on whether the unit is attached or detached. Attached ADUs are more likely to be permitted by right, while detached units often require a conditional use permit.
Size limits generally keep the ADU at or below 1,200 square feet or a fixed percentage of the main dwelling, and standard district setbacks apply. Units must meet all building, electrical, plumbing, and mechanical codes, and septic capacity must be verified when public utilities aren’t available. Because Hanover’s requirements can vary between rural parcels and suburban neighborhoods, the best next step is to review the county zoning ordinance and contact the planning department to confirm exactly what’s allowed for your property.
Does Henrico County Allow ADUs?
As of right now, Henrico County allows accessory dwelling units in certain residential zones with specific standards for size, location, and occupancy. The unit must be clearly secondary to the principal residence, comply with maximum square footage rules—often around 1,200 square feet—and follow the setbacks established for the zoning district.
Detached units generally require a conditional use permit, while internal or attached units may be easier to approve. All ADU projects must secure building permits and pass code compliance checks, including septic or sewer capacity verification. The next step is to check your parcel’s zoning using Henrico’s GIS tools, review the ordinance language, and work with the planning department to navigate the permit process.
Does Henry County Allow ADUs?
Like other rural counties, Henry County allows accessory dwellings in select residential and agricultural zoning districts, but detached units often require a special use permit. ADUs must remain smaller than the main home, usually capped at 1,200 square feet or less, and comply with district setbacks. All construction, regardless of size, requires building, electrical, plumbing, and mechanical permits.
If the property relies on a private septic system, capacity must be confirmed through the health department. Because Henry County’s requirements can differ between incorporated towns and unincorporated areas, the most reliable next step is to contact the planning and zoning office and review the ADU provisions in the county code.
Does Highland County Allow ADUs?
At this time, Highland County permits accessory dwelling units in certain zoning districts, though detached units typically go through a conditional use review. ADUs must be secondary in scale to the main residence, follow size caps—often 1,200 square feet or a percentage of the primary home—and meet setback requirements.
All work must comply with building and safety codes, and properties on wells and septic must obtain clearance from the health department. Given the county’s rural nature and limited infrastructure, requirements can vary based on location. The next step is to verify your property’s zoning classification and contact Highland County’s planning office to review the ordinance and permit requirements.
Does Isle of Wight County Allow ADUs?
Currently, Isle of Wight County allows accessory dwelling units in certain residential and agricultural zones, but the process differs for attached and detached units. Detached ADUs often require a conditional use permit, while internal or attached units may be permitted by right. Size restrictions keep the ADU clearly secondary to the main home, and setback rules for the zoning district must be followed.
All ADUs require building and trade permits, and properties on private septic systems must get approval from the health department. Because Isle of Wight includes both rural farmland and developing residential areas, the most effective next step is to review the zoning ordinance for your district and work with the planning department to confirm what’s possible on your lot.
Does James City County Allow ADUs?
Currently, James City County permits accessory dwelling units in certain residential zoning districts, with the type of approval required depending on whether the unit is attached or detached. Attached ADUs are more likely to be permitted by right, while detached units often need a special use permit.
Size limits generally keep the ADU at or below 1,200 square feet or a set percentage of the primary dwelling, and setbacks must follow the zoning district’s requirements. All ADUs must go through the building permit process, which includes reviews for electrical, plumbing, and mechanical work, and septic capacity must be verified if the property is not connected to public sewer. Because some neighborhoods in James City County also have HOA rules that may be more restrictive than county code, the best next step is to confirm zoning and application requirements with the James City County Zoning Division and coordinate early with their Permit Center.
Does King and Queen County Allow ADUs?
As of right now, King and Queen County allows accessory dwellings in some residential and agricultural zones, though detached units often require a conditional use permit. ADUs must remain secondary to the main dwelling, meet setback and lot coverage standards, and follow size caps—often set at 1,200 square feet or less.
All new units must comply with building code requirements and secure plumbing, electrical, and mechanical permits, with septic systems approved by the health department. Because requirements can differ depending on the property’s zoning district, homeowners should start by contacting the King and Queen County Planning and Zoning Department to review the ordinance language and obtain the appropriate permit forms.
Does King George County Allow ADUs?
Like many Virginia counties, King George permits ADUs in certain residential and rural districts, with the easiest path for attached or internal units. Detached ADUs generally require a special exception or conditional use permit.
Size is typically limited to 1,200 square feet or less, and the unit must meet district setbacks and other lot regulations. All construction requires building and trade permits, and private septic capacity must be confirmed before work begins. Because King George County’s code includes specific definitions and procedural steps, the best next move is to review your parcel’s zoning and speak directly with the King George County Department of Community Development for ordinance interpretation and permitting requirements.
Does King William County Allow ADUs?
Currently, King William County allows accessory dwelling units in certain zoning districts, with detached units generally requiring a conditional use permit. ADUs must be smaller than the main residence—commonly no more than 1,200 square feet—and comply with district setbacks.
The building permit process includes separate approvals for plumbing, electrical, and mechanical work, and septic systems must pass health department review if public sewer is unavailable. Because King William’s rural nature means requirements can vary based on location and infrastructure, homeowners should reach out to the King William County Planning and Zoning Office to verify zoning allowances and obtain current permit procedures.
Does Lancaster County Allow ADUs?
At this time, Lancaster County permits accessory dwellings in some residential and agricultural zones, with a focus on maintaining the rural and waterfront character of the area. Detached ADUs typically require a special exception, while attached units may be allowed by right if they meet all requirements.
The size of the ADU is generally capped at around 1,200 square feet, and setbacks follow zoning district rules. In addition to standard building and trade permits, waterfront properties may be subject to extra environmental regulations, especially in Chesapeake Bay Preservation Areas. The most effective next step is to contact the Lancaster County Planning and Land Use Department to review your zoning district’s rules and obtain the necessary permit forms.
Does Lee County Allow ADUs?
Currently, Lee County permits accessory dwelling units in select residential and agricultural zoning districts, but most detached units require a special use permit. The ADU must remain smaller than the main dwelling—commonly no more than 1,200 square feet—and comply with all setback and lot coverage rules. All new construction must go through the building permit process, including electrical, plumbing, and mechanical inspections, and properties relying on well and septic must pass health department review.
Because Lee County’s zoning can differ between incorporated towns and unincorporated rural areas, the best next step is to contact the Lee County Planning and Zoning Department to verify your property’s zoning classification and obtain current permit guidelines.
Does Loudoun County Allow ADUs?
As of right now, Loudoun County allows accessory dwelling units—often referred to as “accessory apartments”—in certain residential and agricultural zones, with different rules for attached and detached units. Attached ADUs may be permitted by right if they meet all standards, while detached units typically require a special exception.
The county limits size to either a percentage of the primary dwelling or a maximum square footage, often around 1,200 square feet. Setbacks, lot coverage, and design compatibility standards apply, and all construction must be permitted through the county’s building and trade review process. The most effective next step is to confirm your zoning district and review the requirements with the Loudoun County Department of Building and Development and their zoning staff.
Does Louisa County Allow ADUs?
Like other rural Virginia counties, Louisa permits accessory dwellings in certain zoning districts, though detached units usually require a conditional use permit. ADUs must remain clearly secondary to the main home, with size limits typically capped at 1,200 square feet or a set percentage of the primary dwelling.
Setbacks for the district must be followed, and septic systems must be approved by the health department when not connected to public sewer. All new units require building permits along with electrical, plumbing, and mechanical approvals. The best next step for homeowners is to contact the Louisa County Community Development Department to verify zoning allowances and review their ADU permitting process.
Does Lunenburg County Allow ADUs?
Currently, Lunenburg County allows accessory dwelling units in certain residential and agricultural zones, with detached units typically requiring a conditional or special use permit. Size is generally restricted to a maximum of 1,200 square feet, and placement must meet district setbacks and lot coverage requirements.
Projects must obtain building permits for all structural, plumbing, electrical, and mechanical work, and private septic systems must be reviewed for adequate capacity. Because local rules may vary depending on the property’s zoning, the best next step is to speak with the Lunenburg County Planning and Zoning Office to confirm requirements and obtain permit applications.
Does Madison County Allow ADUs?
At this time, Madison County permits accessory dwellings in certain zoning districts, though detached units almost always require a conditional use permit. The ADU must be secondary in size to the main dwelling—usually under 1,200 square feet—and comply with setback and lot coverage rules.
All new construction must be permitted, with additional approvals for electrical, plumbing, and mechanical systems, and health department review for septic. Because Madison’s rural landscape and infrastructure can influence requirements, homeowners should contact the Madison County Zoning and Planning Department to review their ordinance language and confirm the specific steps for an ADU application.
Does Mathews County Allow ADUs?
Currently, Mathews County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units typically require a conditional use permit. ADUs must remain clearly secondary to the main dwelling, usually capped at around 1,200 square feet or a set percentage of the primary home’s size.
Placement must comply with district setbacks, and waterfront parcels may have added restrictions under Chesapeake Bay Preservation Area rules. All construction requires building permits, along with electrical, plumbing, and mechanical approvals, and septic capacity must be confirmed by the health department. To move forward, property owners should contact the Mathews County Planning and Zoning Department to verify their property’s zoning and obtain the correct permit forms.
Does Mecklenburg County Allow ADUs?
As of right now, Mecklenburg County allows accessory dwelling units in certain residential and agricultural zones, though detached units often require a conditional or special use permit. The county generally limits ADU size to about 1,200 square feet or less, with adherence to standard setbacks and lot coverage rules.
All new units must be permitted through the building inspections process, including electrical, plumbing, and HVAC work, and septic systems must be reviewed for adequate capacity. The next step is to contact the Mecklenburg County Planning and Zoning Department to confirm your zoning classification and review the ADU requirements in the county ordinance.
Does Middlesex County Allow ADUs?
Like other Tidewater counties, Middlesex permits accessory dwelling units in select residential and rural districts, with detached units often requiring a special use permit. ADUs must be smaller than the primary dwelling, commonly under 1,200 square feet, and must comply with zoning setbacks and lot coverage limits.
Properties located in Chesapeake Bay Preservation Areas may face extra siting restrictions. All ADU construction must go through the county’s building permit process, and septic capacity must be confirmed for properties not on public sewer. The best next step is to contact the Middlesex County Planning and Zoning Department to review the ordinance section on ADUs and obtain permit applications.
Does Montgomery County Allow ADUs?
Currently, Montgomery County allows accessory dwellings in specific residential and agricultural zones, with attached units more likely to be approved by right and detached units often requiring a special use permit. Size restrictions generally cap ADUs at 1,200 square feet or less, and all units must meet district setback rules.
Building, electrical, plumbing, and mechanical permits are required for all construction, and septic systems must pass health department review. Because Montgomery’s code may differ for properties within incorporated towns like Blacksburg or Christiansburg, the best next step is to contact the Montgomery County Planning and GIS Department to verify requirements for your location.
Does Nelson County Allow ADUs?
As of right now, Nelson County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units often require a conditional use permit. The unit must remain secondary to the main home, generally no more than 1,200 square feet, and follow zoning setback rules.
Waterfront or steep-slope parcels may be subject to additional development restrictions. All ADU projects require building permits, including electrical, plumbing, and mechanical work, and septic capacity must be confirmed before approval. To proceed, homeowners should contact the Nelson County Planning and Zoning Department to confirm zoning allowances and obtain the proper permit forms.
Does New Kent County Allow ADUs?
Currently, New Kent County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units often require a conditional use permit. ADUs must remain clearly secondary to the primary residence, typically capped at around 1,200 square feet or a set percentage of the main home’s size. Placement must comply with district setbacks, and additional requirements may apply for properties in subdivisions with restrictive covenants.
All construction must go through the building permit process, including reviews for plumbing, electrical, and HVAC systems, and septic capacity must be verified where public sewer is unavailable. The best next step is to contact the New Kent County Community Development Department to confirm zoning allowances and review the permit application process.
Does Northampton County Allow ADUs?
As of right now, Northampton County allows accessory dwelling units in select residential and agricultural zones, though detached units usually require a special use permit. The county caps ADU size to ensure it remains secondary to the main dwelling—commonly 1,200 square feet or less—and applies district-specific setbacks.
Properties along the Chesapeake Bay or coastal areas may face additional environmental restrictions. All projects require building permits and, where applicable, septic system approval from the health department. To move forward, property owners should contact the Northampton County Planning and Zoning Department to review ordinance requirements and secure the appropriate permit forms.
Does Northumberland County Allow ADUs?
Like other coastal Virginia counties, Northumberland permits accessory dwelling units in certain zoning districts, with detached units generally requiring a special use permit. ADUs must be smaller than the primary residence, typically limited to 1,200 square feet or less, and adhere to setback and lot coverage rules. Waterfront properties may be subject to additional restrictions under Chesapeake Bay Preservation Area rules.
All ADU construction must secure building permits and pass all necessary inspections, including septic capacity approval. The most effective next step is to contact the Northumberland County Office of Building and Zoning to verify zoning details and obtain the proper application materials.
Does Nottoway County Allow ADUs?
Currently, Nottoway County permits accessory dwellings in certain residential and agricultural zones, with detached units typically requiring a conditional use permit. The size limit is often 1,200 square feet or less, and placement must follow setback requirements.
All new ADUs must secure building, electrical, plumbing, and mechanical permits, and private septic systems must be cleared by the health department. Because local standards can differ between incorporated towns and unincorporated areas, the best next step is to contact the Nottoway County Zoning and Planning Department to confirm your property’s zoning and review the ADU requirements in the county ordinance.
Does Orange County Allow ADUs?
As of right now, Orange County allows accessory dwelling units in select zoning districts, though detached units almost always require a special use permit. ADUs must remain secondary to the principal residence, with size commonly capped at 1,200 square feet or less, and must follow setback and lot coverage rules.
All ADU projects require building permits and, if on well or septic, approval from the health department. Because Orange County’s code specifies different standards for certain districts, the next step is to contact the Orange County Planning and Zoning Department to review the ordinance and obtain the necessary permit applications.
Does Page County Allow ADUs?
Currently, Page County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units typically require a special use permit. ADUs must remain secondary to the principal dwelling, usually limited to 1,200 square feet or less, and must meet setback and lot coverage requirements for the zoning district.
All construction requires building permits, including separate approvals for plumbing, electrical, and HVAC systems, and septic capacity must be confirmed if public sewer is unavailable. Because zoning rules can differ between incorporated towns like Luray and the unincorporated county, the best next step is to contact the Page County Planning and Zoning Office to confirm your property’s zoning designation and review current ADU regulations.
Does Patrick County Allow ADUs?
As of right now, Patrick County allows accessory dwellings in certain zoning districts, with attached units generally easier to approve and detached units often requiring a conditional use permit. The county enforces size restrictions to keep the ADU smaller than the main home, commonly capping it at 1,200 square feet or less.
Setbacks and lot coverage limits must be followed, and properties using private septic systems must obtain approval from the health department. To proceed with an ADU project, the most effective next step is to contact the Patrick County Planning and Zoning Department for guidance on ordinance requirements and permit applications.
Does Pittsylvania County Allow ADUs?
Like other large rural counties, Pittsylvania permits accessory dwelling units in specific zoning districts, but detached structures typically need a special use permit. ADUs must be clearly secondary to the main residence, meet setback requirements, and comply with a maximum size limit—often around 1,200 square feet.
All projects require building, electrical, plumbing, and mechanical permits, and septic capacity must be confirmed before approval. Because requirements can differ across the county’s extensive rural and town areas, homeowners should reach out to the Pittsylvania County Community Development Department to confirm zoning rules and review the ADU application process.
Does Powhatan County Allow ADUs?
Currently, Powhatan County allows accessory dwellings in certain residential and agricultural zoning districts, with different requirements depending on whether the unit is attached or detached. Detached ADUs often require a conditional use permit, while attached units may be permitted by right. The county enforces size limits—generally 1,200 square feet or less—and requires compliance with setbacks, lot coverage, and building code standards.
Properties without public sewer must get septic approval from the health department. The next step for property owners is to contact the Powhatan County Planning and Zoning Department to verify zoning allowances and obtain current permit forms.
Does Prince Edward County Allow ADUs?
At this time, Prince Edward County permits accessory dwelling units in certain residential and agricultural zones, though detached units typically require a special use permit. The unit must remain secondary to the primary dwelling and comply with maximum size limits, commonly set at 1,200 square feet or less. Placement must meet all district setbacks, and the project must be reviewed for building, plumbing, electrical, and HVAC compliance.
Septic systems must be cleared for additional capacity where public sewer is unavailable. The best next step is to contact the Prince Edward County Planning and Community Development Department to confirm your property’s zoning and review ADU permit requirements.
Does Prince George County Allow ADUs?
Currently, Prince George County permits accessory dwelling units in certain residential and agricultural zoning districts, with attached units often easier to approve and detached units typically requiring a special use permit.
ADUs must remain clearly secondary to the main home, generally capped at 1,200 square feet or less, and must meet all setback and lot coverage requirements for the district. All construction requires building permits along with electrical, plumbing, and HVAC approvals, and properties without public sewer must obtain septic capacity clearance from the health department. Because Prince George’s zoning rules can differ depending on location and district, the best next step is to contact the Prince George County Planning and Zoning Department to confirm the exact ADU standards for your property and begin the permit process.
Does Prince William County Allow ADUs?
As of right now, Prince William County allows accessory dwelling units—referred to in its code as “accessory apartments”—in many residential districts, with attached units often permitted by right and detached units typically requiring a special use permit. Size limits are in place to keep the unit smaller than the main dwelling, and district setbacks, lot coverage limits, and design compatibility standards apply.
All projects must go through the county’s building permit review, including plumbing, electrical, and mechanical inspections, and septic systems must be approved for additional capacity if not connected to public sewer. The most effective next step is to work with the Prince William County Zoning Administration Division to verify zoning requirements and coordinate with the Building Development Division for permitting.
Does Pulaski County Allow ADUs?
Like other rural Virginia counties, Pulaski allows accessory dwellings in certain residential and agricultural zones, with detached units generally requiring a special use permit. ADUs must be clearly secondary to the main home, usually limited to 1,200 square feet or less, and comply with district setback rules.
All construction requires building, electrical, plumbing, and mechanical permits, and properties on well and septic must be reviewed by the health department. Because Pulaski’s requirements may differ between incorporated towns and unincorporated county areas, the next step is to contact the Pulaski County Planning and Zoning Department to confirm the applicable rules and obtain permit forms.
Does Rappahannock County Allow ADUs?
Currently, Rappahannock County permits accessory dwelling units in certain zoning districts, but detached units almost always require a special use permit. The ADU must be secondary to the principal residence, typically capped at 1,200 square feet or less, and must meet all district setbacks. Properties in agricultural and conservation areas may be subject to additional environmental or historic preservation restrictions.
All projects require building permits, and septic systems must be reviewed for capacity. To move forward, property owners should contact the Rappahannock County Zoning Administrator to confirm ordinance details and coordinate with the building department for permit requirements.
Does Richmond County Allow ADUs?
As of right now, Richmond County allows accessory dwellings in some residential and agricultural zoning districts, with detached units typically needing a special use permit. Size limits generally keep the unit at or below 1,200 square feet, and setback and lot coverage rules from the zoning district must be followed.
All new ADUs require building, electrical, plumbing, and mechanical permits, and septic capacity must be verified when public sewer is unavailable. Because some areas of the county fall within Chesapeake Bay Preservation boundaries, additional environmental rules may apply. The next step is to contact the Richmond County Planning and Zoning Department to review ADU requirements and start the permit process.
Does Roanoke County Allow ADUs?
Currently, Roanoke County permits accessory dwelling units in certain residential zoning districts, with attached units often allowed by right and detached units typically requiring a special use permit. ADUs must remain smaller than the primary dwelling—commonly capped at 1,200 square feet or less—and meet all setback and lot coverage rules for the district.
Building permits are required for all construction, along with plumbing, electrical, and mechanical approvals, and septic systems must be reviewed for capacity if not connected to public sewer. Because Roanoke County’s requirements differ from those of the City of Roanoke, property owners should confirm their zoning designation and contact the Roanoke County Department of Community Development to review ADU standards and obtain permit forms.
Does Rockbridge County Allow ADUs?
As of right now, Rockbridge County allows accessory dwelling units in certain residential and agricultural zones, though detached units usually require a special exception permit. ADUs must be secondary to the main home, generally no larger than 1,200 square feet, and must comply with setback and lot coverage limits.
All ADU projects require building, electrical, plumbing, and HVAC permits, and septic systems must be approved for additional capacity. In areas near historic districts or scenic byways, additional design standards may apply. The best next step is to contact the Rockbridge County Office of Community Development to verify zoning allowances and begin the permitting process.
Does Rockingham County Allow ADUs?
Like other fast-growing areas, Rockingham County permits accessory dwellings in specific zoning districts, with attached units more likely to be allowed by right and detached units often requiring a special use permit. Size limits generally cap ADUs at 1,200 square feet or less, and all units must meet setback and lot coverage rules.
Building, plumbing, electrical, and HVAC permits are required, and properties using well and septic must receive health department approval. Because Rockingham’s requirements can differ between rural areas and towns such as Bridgewater or Dayton, the most reliable next step is to work with the Rockingham County Department of Community Development to confirm rules for your property and review permit applications.
Does Russell County Allow ADUs?
Currently, Russell County allows accessory dwelling units in certain residential and agricultural zones, though detached units typically require a special use permit. ADUs must be smaller than the main dwelling—often limited to 1,200 square feet or less—and must meet all district setbacks and lot coverage standards. All projects must go through the building permit process, including electrical, plumbing, and mechanical approvals, and septic capacity must be confirmed where public sewer is unavailable. To move forward, homeowners should contact the Russell County Building and Zoning Department to review the ordinance and begin the application process.
Does Scott County Allow ADUs?
As of right now, Scott County permits accessory dwellings in certain zoning districts, but detached units almost always require a conditional use permit. Size restrictions keep ADUs clearly secondary to the primary home, typically under 1,200 square feet, and district setback requirements apply. All new construction must obtain building permits and pass electrical, plumbing, and mechanical inspections, with septic systems approved by the health department if needed. Because zoning rules can vary between incorporated towns like Gate City and unincorporated county areas, the next step is to contact the Scott County Planning and Zoning Office to confirm applicable standards and review the ADU application process.
Does Shenandoah County Allow ADUs?
Currently, Shenandoah County permits accessory dwelling units in certain residential and agricultural zoning districts, with attached units generally easier to approve and detached units often requiring a special use permit. ADUs must remain smaller than the primary dwelling—typically limited to 1,200 square feet or less—and must comply with all district setbacks and lot coverage rules.
All construction must go through the building permit process, including plumbing, electrical, and HVAC approvals, and septic systems must be reviewed for capacity where public sewer is unavailable. Because zoning standards may vary across the county’s incorporated towns, the best next step is to contact the Shenandoah County Department of Community Development to verify the rules for your property and obtain permit forms.
Does Smyth County Allow ADUs?
As of right now, Smyth County allows accessory dwelling units in certain zoning districts, though detached units typically require a conditional use permit. ADUs must remain clearly secondary to the main home, generally no larger than 1,200 square feet, and must follow district setback requirements.
All ADU construction requires building, electrical, plumbing, and mechanical permits, and septic capacity must be approved if public sewer is not available. Because zoning and permitting can differ between the towns of Marion, Chilhowie, and unincorporated areas, homeowners should contact the Smyth County Building and Zoning Department to confirm regulations and start the application process.
Does Southampton County Allow ADUs?
Like other rural Tidewater counties, Southampton permits accessory dwelling units in select residential and agricultural zoning districts, with detached units often requiring a special use permit. ADUs must be smaller than the primary dwelling, usually capped at 1,200 square feet or less, and must comply with district setbacks and lot coverage standards. All construction requires building permits, along with electrical, plumbing, and HVAC approvals, and septic capacity must be verified by the health department. Because the county includes both rural and village settings, the best next step is to contact the Southampton County Department of Community Development to review zoning allowances and permit requirements.
Does Spotsylvania County Allow ADUs?
Currently, Spotsylvania County allows accessory dwelling units in certain residential and agricultural zones, but the approval process varies depending on whether the unit is attached or detached. Attached units may be allowed by right, while detached units often require a special use permit. Size limits are in place—commonly 1,200 square feet or less—and setback rules must be followed. All projects require building and trade permits, and septic systems must be reviewed if public sewer is not available. Because Spotsylvania has both rural areas and fast-growing suburban neighborhoods, the most effective next step is to contact the Spotsylvania County Planning Department to confirm district-specific rules and obtain permit forms.
Does Stafford County Allow ADUs?
As of right now, Stafford County permits accessory dwelling units in certain residential zoning districts, with attached units generally easier to approve and detached units often requiring a conditional use permit. The ADU must be smaller than the primary home, typically under 1,200 square feet, and comply with setbacks and lot coverage requirements. All ADU construction must go through the building permit process, including electrical, plumbing, and HVAC reviews, and septic capacity must be approved where applicable. Because Stafford has detailed zoning regulations and design requirements for certain neighborhoods, the next step is to contact the Stafford County Department of Planning and Zoning to review ADU standards and begin the permit application process.
Does Surry County Allow ADUs?
Currently, Surry County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units almost always require a conditional use permit. ADUs must remain clearly secondary to the main dwelling—commonly capped at 1,200 square feet or less—and must meet all setback and lot coverage rules for the district. All construction must go through the building permit process, including plumbing, electrical, and HVAC approvals, and septic capacity must be verified if public sewer is not available. Because Surry County’s rural character and varied lot sizes can influence design requirements, the best next step is to contact the Surry County Planning and Community Development Department to review ordinance provisions and obtain the correct permit forms.
Does Sussex County Allow ADUs?
As of right now, Sussex County allows accessory dwellings in certain residential and agricultural zones, with attached units often permitted by right and detached units typically requiring a special use permit. ADUs must be smaller than the primary dwelling—generally limited to 1,200 square feet or less—and must comply with district setback and lot coverage requirements.
All ADU construction requires building permits, along with electrical, plumbing, and HVAC inspections, and septic systems must be cleared for additional capacity. The most effective next step is to contact the Sussex County Department of Planning and Zoning to confirm applicable standards and begin the permitting process.
Does Tazewell County Allow ADUs?
Like other mountainous Virginia counties, Tazewell permits accessory dwelling units in certain zoning districts, though detached units typically require a special or conditional use permit. ADUs must remain secondary to the primary dwelling, commonly capped at 1,200 square feet or less, and comply with district setbacks and lot coverage limits.
All projects require building, electrical, plumbing, and mechanical permits, and septic systems must be evaluated for capacity. Because site conditions such as slopes and road access can influence placement and design, the best next step is to contact the Tazewell County Planning and Zoning Department to verify zoning allowances and obtain current permit forms.
Does Warren County Allow ADUs?
Currently, Warren County allows accessory dwellings in certain residential and agricultural zoning districts, with detached units generally requiring a special use permit and attached units more likely to be permitted by right. ADUs must follow district setback rules, remain smaller than the main home and meet lot coverage requirements.
All ADU construction must be reviewed through the building permit process, with plumbing, electrical, and HVAC inspections, and septic systems must be cleared for additional load. Because zoning rules can differ between the county and the Town of Front Royal, the most reliable next step is to contact the Warren County Planning Department to confirm requirements and review the application process.
Does Washington County Allow ADUs?
As of right now, Washington County permits accessory dwelling units in certain residential and agricultural zones, with detached units typically requiring a conditional use permit. ADUs must be clearly secondary to the primary dwelling—commonly limited to 1,200 square feet or less—and must meet district setbacks and lot coverage rules.
All projects must secure building, electrical, plumbing, and mechanical permits, and septic systems must be approved by the health department when public sewer is not available. To proceed, homeowners should contact the Washington County Department of Zoning Administration to review ADU regulations and begin the permit application process.
Does Westmoreland County Allow ADUs?
Currently, Westmoreland County permits accessory dwelling units in certain residential and agricultural zoning districts, but detached units often require a special exception. ADUs must remain clearly secondary to the primary residence—commonly capped at 1,200 square feet or less—and must meet all setback and lot coverage rules for the district.
Properties along the Potomac River or Chesapeake Bay may face added restrictions due to Chesapeake Bay Preservation Area rules. All ADU projects require building, electrical, plumbing, and HVAC permits, and septic capacity must be reviewed when public sewer is not available. The most effective next step is to contact the Westmoreland County Department of Planning and Zoning to verify your zoning and review the application process.
Does Wise County Allow ADUs?
As of right now, Wise County allows accessory dwelling units in certain zoning districts, though detached units typically require a conditional use permit. The ADU must be smaller than the main dwelling and must comply with setbacks and lot coverage standards.
Building permits are required for all construction, along with plumbing, electrical, and mechanical approvals, and septic systems must be evaluated for capacity if public sewer is unavailable. Because terrain and infrastructure access can impact design, the best next step is to work with the Wise County Building and Zoning Department to confirm requirements and secure the necessary permit forms.
Does Wythe County Allow ADUs?
Like other rural Virginia counties, Wythe permits accessory dwellings in select zoning districts, with detached units generally requiring a special use permit. ADUs must remain secondary in scale to the primary home, typically capped at 1,200 square feet or less, and must meet district setbacks and lot coverage rules. All construction requires building, electrical, plumbing, and HVAC permits, and septic systems must be cleared for capacity.
Because requirements can vary between incorporated towns such as Wytheville and the unincorporated county, the best next step is to contact the Wythe County Building and Zoning Office to confirm ADU allowances for your property and begin the permitting process.
Does York County Allow ADUs?
Currently, York County permits accessory dwelling units—sometimes called “accessory apartments”—in certain residential districts, with attached units often allowed by right and detached units typically requiring a special use permit. ADUs must remain clearly secondary to the primary residence, with size generally limited to 1,200 square feet or less, and must comply with district setback and lot coverage standards.
Building, electrical, plumbing, and mechanical permits are required, and septic systems must be approved for additional capacity. Because York County includes both suburban neighborhoods and rural waterfront areas, the most effective next step is to contact the York County Division of Development Services to confirm ADU requirements and obtain the proper permit forms.
Accessory Dwelling Unit Requirements by Municipality
Does Richmond, Virginia, Allow ADUs?
Yes, Richmond, Virginia does allow accessory dwelling units provided they follow the correct guidelines. A Richmond ADU cannot exceed 500 square feet and must maintain a minimum setback of 4 feet on the rear and side. Visit the Zoning Administration office to find out more specific information on permits and other guidelines on rentals and owner occupancy.
Does Charlottesville, Virginia, Allow ADUs?
Yes! Charlottesville offers very detailed instructions and regulations around ADUs with several helpful documents for interested ADU homeowners. Internal, attached, and detached ADUs are all allowed with some basic requirements.
The maximum size cannot exceed 40% of the primary dwelling and detached ADUs cannot exceed 30% of the rear yard. Charlottesville also places a maximum of two people who can live in each ADU. For more information, visit the Charlottesville Zoning Department to get the process started.
Does Virginia Beach, Virginia, Allow ADUs?
Absolutely! Virginia Beach has embraced ADUs with certain restrictions. ADUs are allowed up to 800 square feet or 50% of the main house’s floor area, whichever is smaller. Additionally, ADUs cannot exceed 25 feet high and must maintain a setback of at least 5 feet. Owner occupancy is also required in one of the buildings on the lot, and while short-term rentals are not prohibited, they do require additional paperwork and licenses. To keep the process going, reach out to the Virginia Beach Zoning Department for the next best step.
Does Roanoke, Virginia, Allow ADUs?
It sure does! Roanoke has a dedicated ADU page on their official website outlining what the guidelines are around ADUs. The rules state that one ADU is allowed per lot, with a maximum size of 800 square feet or up to 80% of the primary building’s floor area. Permit guidelines and other helpful information can all be found on that page.
Does Norfolk, Virginia Allow ADUs?
Yes, Norfolk allows ADUs by right on any single family residential lot that is over 6,000 square feet as a way to provide more affordable housing for the city. The maximum size for these ADUs range from 500-600 square feet and must follow the local zoning laws regarding setbacks and height. For more information you can reach out to the Norfolk Zoning Department to find out about necessary permits and next steps.
Searching For An ADU Builder Serving Virginia?
If you are ready to take the next step in your ADU journey and are searching for a trustworthy ADU builder, Zook Cabins is excited to offer you our years of experience and skill. We know it can be hard to find a company you can trust, which is why we are honest and upfront with our pricing and process.
To find out more about how you can install your dream modular ADU on your Virginia land, contact us or request a free quote today! Take the next step and dare to dwell beyond the ordinary.
Conclusion…
As you can see, Virginia is an ADU-friendly state. Whether it’s done to support urban housing needs or to help family aging in place, Virginia is here to help make ADUs as streamlined as possible. When you are ready to get your ADU placed, remember us here at Zook Cabins! We would love to help your property be a place where you and your family can “Dwell Beyond The Ordinary!”