Modular Home Regulations in Maryland: The Complete Guide 

Modular Homes Regulations in Maryland
28′ x 52′ Mountaineer Deluxe in Jarrettsville, MD

Modular homes can be an excellent option for Maryland homeowners who want the quality and permanence of a traditionally built home with the efficiency of off-site construction. And with new Maryland laws, it’s easier than ever to own a beautiful modular home. 

That does not mean you can place any modular home on any Maryland property. Your home still has to meet local zoning requirements, setbacks, foundation standards, utility requirements, environmental regulations, and the permitting rules of the county or municipality where the property is located. Zook Cabins understands this, which is why we’ve compiled all the regulations into one helpful guide. 

Here is what Maryland homeowners should know before getting started.

Modular Home Requirements by County in Maryland

CountyContact
Allegany CountyPlanning & Zoning
Anne Arundel CountyPlanning & Zoning
Baltimore CountyPlanning
Calvert CountyPlanning & Zoning
Caroline CountyPlanning & Codes
Carroll CountyPlanning & Zoning
Cecil CountyLand Development
Charles CountyPlanning & Growth Management
Dorchester CountyPlanning
Frederick CountyPlanning & Permitting
Garrett CountyPlanning & Land Management 
Harford CountyPlanning & Zoning
Howard CountyPlanning & Zoning
Kent CountyPlanning, Housing, & Zoning
Montgomery CountyPlanning
Prince George’s CountyPlanning
Queen Anne’s CountyPlanning & Zoning
St. Mary’s CountyPlanning & Zoning
Somerset CountyLocal Departments
Talbot CountyPlanning & Zoning
Washington CountyPlanning & Zoning
Wicomico CountyPlanning & Zoning
Worcester CountyDevelopment Review & Permitting

Does Allegany County, Maryland Allow Modular Homes? 

Yes, modular homes are allowed! The county publishes a dedicated Construction Plan Submittal Checklist for Modular Dwellings, making it easy for homeowners to move ahead In the county’s jurisdiction, a building permit is also combined with the required land-use approval. Allegany County Land Development Services administers these requirements in the unincorporated county and the LaVale Zoning District; incorporated municipalities can have separate planning and zoning authority.

The standard side setback for a principal single-family home is 8 feet, and the rear setback is 25 feet. Front setbacks are based on the road classification rather than the zoning district. A home generally must be at least 25 feet from the road right-of-way or 50 feet from the centerline on other roads in an urban district, and 40 feet from the right-of-way or 65 feet from the centerline on other roads in a nonurban district. Minor arterials require 40 feet from the right-of-way or 65 feet from the centerline, major arterials require 50 feet from the right-of-way or 75 feet from the centerline, and principal arterials require 50 feet from the right-of-way. Where the code provides both right-of-way and centerline measurements, the greater setback applies. The normal maximum height for a single-family dwelling is 30 feet. 

For more information, Land Development Services handles permitting and zoning for the unincorporated portions of Allegany County and the LaVale Zoning District. Properties inside Cumberland, Frostburg, Barton, Lonaconing, Luke, Midland, or Westernport can be subject to separate municipal requirements, so homeowners in those communities should check with the municipality before relying on the county setback table. 

Does Anne Arundel County, Maryland Allow Modular Homes? 

It does. In Anne Arundel County, modular construction itself is no longer the obstacle; instead, the zoning district and the characteristics of the lot matter more. Maryland’s HB 538 applies throughout the county, and Anne Arundel’s zoning regulations are contained in Article 18 of the Anne Arundel County Code. The county has eight residential zoning districts ranging from very low-density rural classifications to considerably denser suburban neighborhoods.

Those classifications create enormous differences for homeowners. Rural Agricultural land is generally planned at around one dwelling per 20 acres, while RLD is around one dwelling per five acres. In the R2 Residential District, the county requires a 20,000-square-foot minimum lot without public sewer but only 10,000 square feet with public sewer. Another major consideration is the Chesapeake Bay Critical Area Overlay, which applies to land generally located within 1,000 feet of the Bay and its tidal tributaries and can add buffer and environmental requirements on top of the underlying residential zoning.

Before selecting a floor plan, Zook Cabins recommends checking the Article 18 zoning designation, public sewer availability and Critical Area status. Those three factors can change the usable building envelope far more than the fact that the house will be modular.

Does Baltimore County, Maryland Allow Modular Homes? 

According to current zoning legislation, a modular dwelling can be constructed wherever the zoning permits the corresponding single-family residential use in Baltimore County. Baltimore County’s zoning ranges from conventional suburban Density Residential districts to extremely low-density Resource Conservation areas. The governing regulations are the Baltimore County Zoning Regulations (BCZR), including the D.R. and R.C. district provisions.

For comparison, D.R.1 means approximately one dwelling unit per acre. Rural conservation land can operate very differently. The R.C.7 Resource Conservation District, for example, has a maximum residential density of roughly one lot per 25 acres even though an individual residential lot created through an eligible subdivision may have a one-acre minimum. 

Zook Cabins recommends having Baltimore County calculate the parcel’s residential density or development yield before purchasing rural land. In the Resource Conservation districts especially, the acreage needed to physically accommodate a modular home may be dramatically less than the acreage required to create the legal dwelling right.

Does Calvert County, Maryland Allow Modular Homes? 

Calvert County has one of Maryland’s newest zoning frameworks. Its comprehensively rewritten Calvert County Zoning Ordinance took effect March 1, 2025, making current zoning particularly important when researching older listings or property information. A modular home is an accepted form of new single-family construction, but the new ordinance’s rural density and Critical Area provisions can substantially influence where one may be built.

The rural districts demonstrate the issue well. Outside town centers, current standards generally establish one acre as the minimum lot area for detached single-family development in the Farm and Forest and Rural Community areas. Yet the minimum lot area is not the same as overall residential density. Within the Chesapeake Bay Resource Conservation Area, for example, the maximum density is generally one dwelling per 20 acres, while the Limited Development Area can allow up to four units per acre unless the underlying zoning is more restrictive. Calvert’s zoning ordinance addresses the underlying district and Critical Area classification separately, so the stricter standard can be controlled.

The next best step is to verify your zoning district with Planning and Zoning before looking into permits with the Building Department. 

Does Caroline County, Maryland Allow Modular Homes? 

Yes, detached single-family dwellings are permitted in the Rural, R-1, R-2 and several village and commercial districts, while the table specifically excludes mobile homes from that use category. Under Maryland’s statewide modular-home law, a qualifying modular dwelling must be allowed where the county permits that single-family residential use. 

The more unusual issue is the county’s Rural District. Caroline intentionally limits low-density residential development there and operates a Transferable Development Rights program to preserve farms, woodland and the rural landscape. Most rural-zoned land outside designated receiving areas is considered a TDR sending area, meaning development rights can be transferred away from the property. 

To clarify exactly what is required, we suggest you go to Caroline County Planning and Zoning and ask the staff there to verify setbacks and other requirements for your parcel. 

Does Carroll County, Maryland Allow Modular Homes? 

Yes. Carroll County is one of the Maryland jurisdictions that formally amended its zoning ordinance to implement HB 538. The Maryland Department of Housing and Community Development specifically identifies Carroll County as having adopted local zoning changes responding to the statewide modular/manufactured-home law. Local zoning standards are contained in Chapter 158 of the Carroll County Code.

Carroll’s residential zone names conveniently provide a clue to minimum lot size. Detached residences in R-40,000, R-20,000, R-10,000 and R-7,500 generally correspond to minimum lot areas of 40,000, 20,000, 10,000 and 7,500 square feet. Agricultural land is much different: Chapter 158 describes residential development potential as generally limited to one single-family or two-family dwelling for every 20 acres. The agricultural development-right calculation therefore matters far more than the footprint of the modular house itself.

Our recommendation is to use the zoning map only as the first step. On an ordinary residential lot, lot dimensions and setbacks are usually the main questions; on Agricultural-zoned land, the right to create or use another homesite is the bigger issue.

Does Cecil County, Maryland Allow Modular Homes? 

In Cecil County, a homeowner can legally build a qualifying modular residence, but road classification can push the home considerably farther into the property than expected. Cecil County approved a significant set of amendments to its Zoning Ordinance in August 2025, so current ordinance language should be used rather than an older copy found online.

The ordinance’s dimensional notes create a particularly important rural-site rule. For lots created after the applicable ordinance date and fronting a collector road, principal structures in the NAR, SAR and RR districts may be required to sit 100 feet from the road right-of-way. 

In LDR, UR and ST districts, the comparable road setback can be 50 feet. Cecil’s ordinance also contains separate Critical Area waterfront measurements, while steep slopes, streams and other natural-resource features can affect development review.

This can eliminate a lot of parcels as modular home compatible. We recommend you verify your parcel with Planning and Zoning before moving ahead. 

Does Charles County, Maryland Allow Modular Homes? 

Yes. Charles County can accommodate modular homes anywhere the applicable zoning allows single-family residential use. Maryland law specifically states that a local government may not prohibit a qualifying modular dwelling in a zone that permits single-family residential uses. 

The Rural Conservation (RC) Zone provides a good example of the numbers a land buyer should check. A residential lot generally requires at least 3 acres, 120 feet of width, 200 feet of depth and 100 feet of road frontage. The principal home must have a 50-foot front yard, 30 feet on each side for a total of 60 feet of side-yard space, and a 50-foot rear yard. Residential structures are generally limited to 36 feet or three stories.

The Rural Residential (RR) Zone is considerably less restrictive. A residential lot can be as small as 30,000 square feet, with at least 100 feet of width, 150 feet of depth and 80 feet of frontage. The normal setbacks are 40 feet in front, 20 feet on each side and 40 feet in the rear, with the same 36-foot/three-story height limit. This means the zoning designation can make a major difference in which Zook Cabins floor plans comfortably fit the property.

Does Dorchester County, Maryland Allow Modular Homes? 

Yes. However, in Dorchester County, waterfront and environmental regulations are often more consequential than the way the house is manufactured. A qualifying modular dwelling may be placed in a district that permits single-family residential use under Maryland law. 

Dorchester homeowners also need to read the zoning map together with Chesapeake Bay Critical Area Protection. The county has zoning classifications specifically associated with the Critical Area, including portions of suburban residential land in Resource Conservation Areas. Floodplain elevation, septic capability and shoreline conditions are also especially relevant when determining a practical building location in this low-lying Eastern Shore county.

For a Dorchester County modular home, homeowners must confirm the base zoning, Critical Area classification, septic area and usable elevated building site before selecting the foundation location.

Does Frederick County, Maryland Allow Modular Homes? 

It does. Modular homes are permitted as the equivalent residential use where a single-family dwelling is allowed, and County land use is regulated through the Frederick County Zoning Ordinance. 

The county’s Agricultural zoning rules are particularly distinctive. Frederick states that agriculturally zoned land that existed on August 18, 1976 generally received three development rights plus a remainder lot, with additional rules depending on acreage, clustering and subsequent subdivisions. The Agricultural District’s ordinary detached-home dimensional framework includes roughly a 40,000-square-foot minimum lot, 100 feet of width, a 40-foot front setback, 10-foot side yards and a 30-foot rear yard. Those physical dimensions do not create a development right if the parent tract’s available rights have already been used.

Zook Cabins strongly recommends obtaining a development-right determination from Frederick County before purchasing Agricultural-zoned acreage for a modular home. The historical subdivision record can be more important than today’s parcel size, and a property that easily satisfies the 40,000-square-foot dimensional standard may still be unable to produce another homesite.

Does Garrett County, Maryland Allow Modular Homes? 

It is likely. Garrett County  is the only county in the state without countywide zoning. Zoning exists within six incorporated towns and within the Deep Creek Watershed, but most unincorporated Garrett County property is not subject to a county zoning district at all. A building permit and other approvals can still be required.

For property inside the Deep Creek Watershed, the governing local ordinance is Chapter 157, the Deep Creek Watershed Zoning Ordinance. Most new structures there require a zoning permit, and unusual narrow, shallow or steep lots may need relief through the Board of Zoning Appeals. Outside Deep Creek and the zoned municipalities, homeowners still have to address the Maryland modular-building requirements and other applicable regulations.

If the property is outside Deep Creek and the incorporated towns, do not waste time searching for a nonexistent countywide residential zoning classification; instead focus on legal lot status and building permits. If it is inside a zoned area, review that ordinance before choosing the home.

Does Harford County, Maryland Allow Modular Homes? 

In Harford County, modular homes may occupy sites where single-family detached dwellings are permitted, with local requirements found in Chapter 267, the Harford County Zoning Code. Current use tables distinguish single-family detached dwellings from mobile-home uses rather than treating every factory-produced dwelling as the same type of structure.

The county’s residential guide shows the progression clearly. R1 typically accommodates single-family homes on roughly 15,000- to 20,000-square-foot lots, while R2 generally uses approximately 7,500- to 10,000-square-foot lots. Rural Residential and Agricultural land are more complicated because Harford operates a Transfer of Development Rights program. 

Zook Cabins recommends treating an older Agricultural or Rural Residential parcel differently from a conventional R1 or R2 building lot. For rural land, have Harford County establish the remaining development-right history; for an existing residential lot, concentrate on the recorded plat, building-restriction lines, utilities and current Chapter 267 dimensional standards.

Does Howard County, Maryland Allow Modular Homes? 

It sure does! Howard County allows modular homes anywhere the zoning permits the corresponding single-family residential use. Maryland’s HB 538 requires counties to allow qualifying modular homes in zoning districts that permit single-family homes, while still allowing Howard County to enforce its normal zoning, setback, building-code, septic, and subdivision requirements. 

For rural properties, the RR Rural Residential District gives homeowners some useful numbers to work with. One single-family detached dwelling is permitted per lot. A non-cluster subdivision generally requires a 3-acre minimum lot, while a cluster lot can be as small as 33,000 square feet with a shared septic drainfield or 40,000 square feet with an individual septic system. Lots of 3 acres or more must generally be at least 200 feet wide at the building restriction line and require a 75-foot front setback, 30-foot side setbacks, and a 60-foot rear setback for the principal home. On qualifying RR lots under 3 acres, the minimum width drops to 100 feet, with a 50-foot front setback, 10-foot side setbacks, and a 30-foot rear setback. Principal homes with gable, hip, or gambrel roofs may generally reach 40 feet in height; other roof types are limited to 34 feet.

This is just one example of how a municipality might regulate modular homes, so for the best clarity, we recommend going directly to your local zoning and planning department to find out more. 

Does Kent County, Maryland Allow Modular Homes? 

Yes. A qualifying modular home can be placed in Kent County where the zoning permits a detached single-family dwelling. Kent County adopted its new Unified Development Ordinance on July 15, 2025, and it became effective July 25, 2025. The UDO now controls zoning, subdivision, density, lot dimensions, and setbacks for properties in the unincorporated county.

The Agricultural Zoning District is particularly important for homeowners shopping for rural land. The district allows a gross residential density of only 0.033 dwelling units per acre, or approximately 1 dwelling per 30 acres. However, an individual residential lot created from that acreage may be much smaller: the minimum is 3/4 acre when using an individual onsite septic system and 1/2 acre when served by a community sewage system. The minimum lot width is 75 feet. Kent County also generally limits residential lots to no more than 10% of the parent agricultural property, with exceptions identified in the UDO. This means a 3/4-acre lot can be a legal homesite, but owning 3/4 acre by itself does not necessarily create a new development right from a larger agricultural tract.

The Agricultural District also has unusually large front setbacks. A principal home generally must sit at least 100 feet back from a primary road or 75 feet from other roads. The minimum side setback is 15 feet, the rear setback is 30 feet, and the waterfront yard is 100 feet. A principal residential or agricultural structure can generally be up to 38 feet tall. These dimensions matter when selecting a modular home because a narrow or shallow parcel can meet the minimum acreage requirement but still have a limited building envelope after the 75- or 100-foot front yard, septic area, well location, and rear setback are accounted for.

Zook Cabins recommends having Planning, Housing and Zoning confirm that the parcel has an available development right, then verifying the 100- or 75-foot front setback, 15-foot side setbacks, 30-foot rear setback, septic approval, and any 100-foot waterfront buffer before choosing a home size. 

Does Montgomery County, Maryland Allow Modular Homes? 

Yes, Montgomery County allows modular homes. The local municipalities will dictate exact zoning setbacks, which can change. There are also various zoning laws to be aware of that influence the process. 

One familiar example is R-200, historically and currently structured around a 20,000-square-foot minimum lot under its standard single-family development framework. But Montgomery’s zoning system also uses different development methods, overlays, subdivision requirements, sewer-service considerations and recorded building restrictions. A legal older lot may therefore need a different analysis from a newly created 20,000-square-foot parcel.

Zook Cabins recommends having Montgomery Planning confirm the applicable development standard and buildable envelope before finalizing a modular plan.

Does Prince George’s County, Maryland Allow Modular Homes? 

It appears so. However, Prince George’s County has a terminology trap that can confuse homeowners using older property listings. Its new Zoning Ordinance took effect April 1, 2022 and renamed many familiar residential zones. Current single-family categories include RE, RR, RSF-95, RSF-65 and RSF-A, replacing several older zoning labels that may still appear in deeds, listings or archived documents. The main thing to be aware of is that modular construction is permitted wherever the corresponding single-family detached use is allowed under Maryland law.

The RSF-65 Residential Single-Family-65 District, for example, is designed for smaller-lot detached development and uses approximately 6,500 square feet as its basic minimum lot area. Prince George’s also has Neighborhood Conservation and other overlay zones that can add standards involving building form, massing, height, materials, porches or other design characteristics. That means two RSF-65 lots may not necessarily have identical design freedom if one is subject to an overlay or special neighborhood standard.

Zook Cabins recommends confirming the property’s current zoning designation rather than relying on an older R-55, R-80 or similar label from a listing. You can do this with your local zoning department or go directly to the county Planning and Zoning. 

Does Queen Anne’s County, Maryland Allow Modular Homes? 

Yes. Modular homes are allowed in Queen Anne’s County on property where single-family residential use is permitted. Maryland law prevents a county from prohibiting a qualifying modular dwelling simply because it was factory-built when the zoning allows single-family homes. Both the Agricultural (AG) and Countryside (CS) districts list single-family residential use as permitted.

For rural property, the size and setback requirements depend heavily on how the lot was created. In both the AG and CS districts, a conventional large-lot subdivision generally requires a minimum 20-acre lot. These large lots require a 50-foot front setback, at least 50 feet on each side with 100 feet of total side-yard space, and a 50-foot rear setback. Lots created through the sliding-scale subdivision process can be much smaller, with a minimum lot area of 20,000 square feet. On a sliding-scale lot of 20 acres or less, the setbacks are 40 feet in front, 20 feet on the sides, and 50 feet in the rear. Sliding-scale lots over 20 acres generally require 50-foot front, side, and rear setbacks. Large rural lots must also meet a 500-foot minimum lot width, while sliding-scale lots require 130 feet.

To learn more about zoning requirements and next steps, we recommend you start with Queen Anne’s Planning and Zoning Department. 

Does St. Mary’s County, Maryland Allow Modular Homes? 

Yes. A qualifying modular home can be built in St. Mary’s County anywhere a single-family detached home is permitted. 

For homeowners looking at rural property, the Rural Preservation District (RPD) is especially important. The RPD has a base residential density of 1 dwelling per 5 acres, although density can increase to as much as 1 dwelling per 3 acres through applicable Transferable Development Right provisions.

 The county’s development table lists no minimum lot area for an RPD lot, but generally requires at least 150 feet of lot width, 160 feet of lot depth, and 75 feet of road frontage. A new principal home normally must be set back 25 feet from a minor collector or smaller road, 35 feet from a major collector, or 50 feet from an arterial road, plus at least 15 feet from each side property line and 20 feet from the rear property line. The normal maximum building height in the RPD is 40 feet.

Waterfront lots can be considerably more restrictive. St. Mary’s County’s Chesapeake Bay Critical Area generally covers land within 1,000 feet of tidal waters or tidal wetlands, and the protected shoreline Buffer is at least 100 feet from tidal waters, tidal wetlands, and tributary streams. That 100-foot buffer can expand where there are steep slopes, hydric soils, or highly erodible soils. If the property is classified as Resource Conservation Area (RCA), new residential development is generally limited to 1 dwelling per 20 acres, subject to grandfathered-lot and other provisions. 

We recommend you go directly to your local Planning and Zoning for the most clarity. 

Does Somerset County, Maryland Allow Modular Homes? 

Absolutely. Somerset County gives homeowners perhaps the clearest written answer in Maryland. Its zoning ordinance specifically defines a modular home as a dwelling fabricated off-site for permanent residential use and built to the applicable building code, separately from manufactured/mobile housing.

That detached-dwelling use is permitted in multiple districts, including AR Agricultural-Residential, CO Conservation, R-1, R-2, R-3 and MRC. The applicable local reference is the Somerset County Zoning Ordinance, which the county maintains with amendments through at least July 1, 2025. A new-home permit still requires plans and a site plan showing the house in relation to property boundaries and other relevant site features.

Zook Cabins recommends that homeowners connect with Somerset County Zoning so they can verify the setbacks and other requirements for your specific parcel. 

Does Talbot County, Maryland Allow Modular Homes? 

It does. A qualifying modular dwelling may be constructed wherever a detached single-family dwelling is permitted when local zoning, subdivision and development requirements follow Chapter 190 of the Talbot County Code.

The Agricultural Conservation (AC), Countryside Preservation (CP) and Western Rural Conservation (WRC) areas use rural-density and clustering rules aimed at retaining large blocks of farm and resource land. 

Talbot’s Chesapeake Bay Critical Area is another major constraint: the state Critical Area generally extends 1,000 feet landward from tidal waters and tidal wetlands, and additional Resource Conservation standards can apply within it.

To move ahead, connect with your local Planning and Zoning to find out exact setbacks and rules for your property. For waterfront property, have the Critical Area and shoreline constraints mapped before selecting the modular-home footprint. 

Does Washington County, Maryland Allow Modular Homes? 

Yes, modular homes can be used where the corresponding single-family dwelling is permitted, with local land-use requirements governed by the Washington County Zoning Ordinance, maintained by the Department of Planning & Zoning.

The county’s A(R) Agricultural Rural standards provide a useful example. Under §5A.5, the ordinary dimensional framework calls for approximately a three-acre minimum lot, 300 feet of lot width and 50-foot front, side and rear yards. Those dimensions make road frontage and parcel shape unusually important. Washington County also has extensive agricultural and rural-land preservation programs; property subject to a permanent easement can carry development restrictions separate from ordinary zoning.

Zook Cabins recommends measuring width and reviewing easement status before treating a three-acre Washington County parcel as a buildable home lot. A long 3- or 4-acre strip may have enough area but fail the normal A(R) width requirement, while preserved land can have dwelling restrictions that zoning research alone will not reveal.

Call the Department of Planning and Zoning to verify regulations for your property, then you can move ahead with permit guidance from the Building Department. 

Does Wicomico County, Maryland Allow Modular Homes? 

Yes, Wicomico County has recently addressed this question head-on. In 2026 the county moved to amend Chapter 225 specifically to update its manufactured- and modular-housing regulations and bring the zoning code into compliance with Maryland law. 

The county’s rural density schedule is especially important. In the A-1 Agricultural-Rural District, conventional residential development uses a maximum density equivalent to approximately 15 acres per dwelling. Certain approved non-contiguous or cluster development alternatives can use approximately three acres per dwelling, while suburban residential districts such as R-8, R-15, R-20 and R-30 use dramatically smaller square-foot lot standards.

To move ahead, homeowners can reach out directly to Planning and Zoning or to their local zoning department if they live within a municipality.

Does Worcester County, Maryland Allow Modular Homes? 

It does. Worcester County’s zoning ordinance already provides a clear residential pathway in its rural districts. The R-1 Rural Residential District permits single-family dwellings as principal uses. Maryland’s statewide rule protects a qualifying modular dwelling as a construction type wherever the county permits that single-family residential use. 

Worcester provides several other single-family settings as well, including Estate and Village classifications, so the exact district needs to be identified before using any setback or lot-size figure. If you live within a Coastal region, extra regulations for floodplain and wetlands may also apply. 

For the next best step, we suggest you confirm the zoning district first, then verify the setbacks and zoning requirements for your property. You can connect with Planning and Zoning, then the Building Department for permit guidance.

Frequently Asked Questions about Modular Homes in Maryland:

What Kind of Foundation Does A Modular Home Need in Maryland? 

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Modular homes require a permanent foundation. You aren’t locked in to one kind of foundation, you could go with a crawlspace foundation which is cheaper but still allows access to the bottom of the house. 

Another popular option is a fully finished basement which is an excellent way to instantly add more square footage to the home. Basement foundations are pricier, which you can learn about in our manufactured home foundations article. 

Can Modular Homes Be Used As ADUs?

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Accessory dwelling units are modular units designed to provide extra living space on the same lot as the main house. A small modular home or cabin would be ideal for an ADU, since it meets the permanent foundation requirements and smaller size requirements.

ADUs offer flexibility and potential income options which is why they are increasingly popular. You can learn more about what ADUs are and how you can take the next step towards owning one! 

Check out these beautiful modular ADUs or browse our helpful Maryland ADU regulation article. 

Does Maryland Require Land to Already Be Owned Before Buying a Modular Home? 

No. Maryland does not require land ownership before buying or building a home, including modular units. 

Zook Cabins does recommend purchasing the land prior to buying the house since different plots accommodate different houses. The process will move faster and smoother if you already have a piece of land ready to place a modular home on it. 

What Utility Hookups Are Required for a Modular Home in Maryland?

A modular home in Maryland needs the same basic utility connections as a site-built house which means electricity, potable water, wastewater disposal, and the plumbing/HVAC connections. Each modular home from Zook Cabins comes with all the utility rough-ins, you just need to hook them up on site. 

For electricity, Maryland’s current modular-building standards use the 2020 National Electrical Code (NEC) along with the 2021 International Residential Code. Under NEC requirements for a one-family dwelling, the electrical service disconnect must be rated at no less than 100 amps. The actual service may need to be larger depending on how large the home is. It is common for a larger house to require a 200-amp electrical connection. 

Rural properties using a private well have even more specific Maryland requirements. A new domestic well must generally produce at least 1 gallon per minute continuously for six hours, and the complete water-supply system must be capable of providing at least 500 gallons during a two-hour period once each day. If the well itself cannot supply that amount quickly enough, additional water storage must be installed. Maryland also does not allow a spring, dug well, or cistern to serve as the potable water supply for a new homesite. A permitted well meeting Maryland’s well construction standards is the normal private-water option.

When it comes to septic needs, a private septic system is sized according to the number of bedrooms, not simply the square footage of the modular home. Maryland uses a minimum design flow of 150 gallons per day per bedroom, with an absolute minimum of 300 gallons per day per residence. That means a home with three bedrooms or fewer requires at least a 1,000-gallon septic tank; four bedrooms require at least 1,250 gallons; and each additional bedroom adds another 250 gallons of required tank capacity. Residential septic tanks must also have at least two compartments or two tanks in series.

Natural gas and propane are not required utilities for a Maryland modular home. An all-electric home can operate without either one. 

What are Modular Homes and Are They Allowed in Maryland?

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A modular home is a permanent residence that is constructed substantially off-site in a controlled factory environment. Large sections, or modules, are transported to the property and installed on a permanent foundation. These units are more cost-effective and sustainable, making them an excellent choice in today’s housing market. 

The best news is that modular homes are allowed in Maryland. In fact, Maryland law says that a local government may not prohibit a qualifying new modular dwelling simply because it is modular when the property is in a zoning district that allows single-family residential uses. The home must still satisfy the normal requirements that would apply to a new house on that property.

Maryland uses a statewide regulatory program for the factory-built portion of a modular home. The Maryland Department of Labor regulates the home’s design and factory construction under the State’s Model Performance Code. Local counties and municipalities continue to regulate the land itself, including the actual zoning, site preparation, foundations, utility connections, and installation inspections. It is essential for homeowners to work closely with their local departments throughout this process. 

Maryland-certified modular homes also receive a green State certification label, generally located inside the home, such as within the cabinets beneath the kitchen sink.

What is the Difference Between a Modular Home & a HUD Home?

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Although both types of homes are constructed in factories, a modular home and a HUD-manufactured home are legally different types of housing.

A modular home in Maryland is constructed to State-approved building standards and is intended to be permanently installed on an approved foundation. Once installed, it functions much like a conventional site-built house. Maryland regulates the factory construction of the home, while the local jurisdiction inspects its installation and other work completed on the property.

A HUD home, more commonly called a manufactured home, is constructed according to the federal HUD Manufactured Home Construction and Safety Standards rather than Maryland’s modular building standards. Under the federal definition, a manufactured home is built on a permanent chassis and is generally at least 8 feet wide, 40 feet long, or 320 square feet when erected on site. Each transportable section carries a red HUD certification label. These homes are technically mobile, an important distinction from a permanent modular home. 

How Close Can a Modular Home Be to Property Lines?

There is no single statewide Maryland setback that applies to every modular home. Setbacks are controlled primarily by the county or municipality and the zoning district assigned to your property. 

This means one property may allow a home relatively close to a side property line while another property may require substantially more room. Your front, rear, and side setbacks can also be different from one another.

For a real Maryland example, a principal residence in Anne Arundel County’s R1 Residential District generally requires a 40-foot front setback, a 15-foot minimum side setback, 40 feet of combined side-yard setbacks, and a 35-foot rear setback. A corner side yard can also require a 40-foot setback.

Homeowners curious about setbacks must connect with their local zoning departments. 

Do You Need A Permit For A Modular Home in Maryland?

Yes. A modular home in Maryland requires permits. State approval of the factory-built home does not eliminate the local building-permit process.

The exact permit package depends on where you live, but homeowners should generally expect to obtain local zoning and building approval and submit a site or plot plan showing the proposed home. Foundation plans are typically required, along with plans for anything constructed on site. You may also need permits for electrical and septic work. 

Worcester County provides a good example of how Maryland’s system works. Its residential permit checklist specifically requires a modular home to have State approval as well as construction plans for the foundation and site-built components. 

The safest approach is to contact the county planning or permitting department before ordering your home.

What Size Modular Homes Does Zook Cabins Have to Offer?

Zook Cabins offers modular homes for a wide range of needs, from compact one-bedroom homes to large homes approaching 3,000 square feet. 

Zook Cabins modelFinished sizeBedroomsBathrooms
The Wrangler656 sq ft11
The A-Frame Lodge1,650-2,135 sq ft2-32-3
The Settler660-1,680 sq ft2-41-2
The Mountaineer Deluxe1,031-1,946 sq ft1-31-2
The Homestead936-2,979 sq ft1-41-3

What Features are Included in a Modular Home from Zook Cabins?

When you purchase a modular home from Zook Cabins, you don’t just receive an empty shell, you receive a fully completed home with top quality features. 

For example, The Wrangler currently includes luxury vinyl plank flooring, solid pine interior wall boards, recessed lighting, shaker-style kitchen cabinets, laminate countertops, spaces for full kitchen appliances, a 47-gallon electric water heater, a 60-inch shower, a custom floating vanity, and space for a stackable washer and dryer. Exterior features include a metal roof, log-style siding, operable windows, insulation designed to exceed applicable local code requirements, and a covered porch.

Larger models offer additional amenities and design choices. The A-Frame Lodge includes features such as painted shaker cabinets, kitchen peninsula seating, bathroom vanity packages, and shower or tub options. The Mountaineer Deluxe offers solid-wood kitchens, soft-close drawers, cabinet choices, and options such as kitchen islands and peninsulas.

Does Zook Cabins Have Modular Homes with Multiple Bedrooms and Bathrooms? 

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Yes. Zook Cabins offers several modular homes that work well as full-time family residences rather than simply one-bedroom vacation cabins.

The A-Frame Lodge is available with as many as three bedrooms and three bathrooms, while The Settler reaches four bedrooms and two bathrooms. The Mountaineer Deluxe is available with up to three bedrooms and two bathrooms.

It’s important to note the number of bedrooms you can actually place on a Maryland property may also be affected by the site’s septic approval when public sewer is unavailable. For that reason, homeowners on private septic should verify the approved bedroom capacity of the property before finalizing a larger floor plan.

Can A Modular Home from Zook Cabins be Customized? 

One of the advantages of choosing a modular home from Zook Cabins is that you are not necessarily limited to one completely fixed design.

Depending on the model, homeowners can choose between different floor plans, sizes, bedroom arrangements, kitchen configurations, cabinetry, flooring, exterior finishes, porches, windows, bathrooms, and other options.

The Settler, for example, is currently offered in numerous footprints ranging from 660 to 1,680 finished square feet, while the Homestead has layouts ranging from a compact one-bedroom plan to four-bedroom designs approaching 3,000 finished square feet.

Contact us today to learn more about personalization options for your new home! 

Do Modular Homes Have Good Resale in Maryland? 

Absolutely. Old narratives may tell you factory built structures don’t hold good resale value. 

Yet, the research shows us that modular homes hold a similar value to traditional stick-built homes. Combined with more affordable pricing, modular homes are a great investment option in Maryland. 

Of course, like stick-built homes, resale value is influenced by land ownership, location, and maintenance. A well-maintained modular home in a good location in Maryland on paid-off land will definitely have good resale value. 

Wondering how you finance a modular home? We explain it all in this helpful article!

Conclusion

As we hope you’ve learned so far, Maryland is a solid option for modular homebuyers, with state law protecting modular homes in areas where single-family residences are allowed. This is great news for anyone interested in a modular home! 

If you’re considering a modular home in Maryland, Zook Cabins can help you find the right home for your property and budget. Contact our team today to explore floor plans, pricing, and next steps for your Maryland modular home project.