ADU Contractors near Manassas, VA
Back Creek Builders
1767 Baltimore Annapolis Blvd, Bowie, MD
44 miles
Back Creek Builders constructs ADUs and in-law suites in Maryland, handling design, permitting, and build. Project types include garage conversions, detached cottages, and basement suites. Founded by Eric Young and Jason Gelblum, they manage zonin... read more
Glickman Design Build
15757 Crabbs Branch Way, Rockville, MD 20855
28.6 miles
Glickman Design Build offers full-service ADU design and construction, including detached ADUs, granny flats, in-law suites & basement conversions. They handle permits, sustainable building, multigenerational layouts, remodeling, and rental in... read more
Four Brothers Design + Build
4009 Georgia Avenue Northwest, Washington, DC 20011
28.7 miles
Four Brothers Design + Build specializes in Accessory Dwelling Units (ADUs) across DC, Northern Virginia & Maryland. Services include basement apartments, garage conversions, in-law suites & detached ADUs.
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Carbide Construction
7901 Kincannon Place, Lorton, VA 22079
16.6 miles
Carbide Construction offers modular additions, ADUs, in-law suites, and ADA-compliant builds in Northern Virginia. Since 2002, they manage design to installation, working with top manufacturers for custom, eco-friendly prefab home solutions.
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JBL Construct LLC
3060 Williams Drive, Suite 300, #78, Fairfax, VA 22031
15.8 miles
JBL Construct LLC builds Accessory Dwelling Units (ADUs) in Northern Virginia, handling zoning, permits, design, and construction. Services cover basement conversions, garage conversions, and detached cottages. Costs range from $275–$400+ per sq... read more
Ben Norkin Architecture
7204 Trescott Avenue, Takoma Park, MD 20912
31.2 miles
Ben Norkin Architecture outlines ADU permit drawing requirements in Montgomery County, MD, covering site plans, zoning, drainage, floor plans, structural drawings, and energy compliance for detached ADUs, garage conversions, and backyard cottages.... read more
Finecraft Contractors
104 Summit Hall Road, Gaithersburg, MD 20877
30.6 miles
Finecraft Contractors is a Washington D.C.-based general contracting company with 35+ years in residential renovation. Services include kitchen remodels, bathroom upgrades, room additions, and full home gut renovations, backed by transparent proje... read more
Moore Construction Group
913 Duke Street, Alexandria, VA 22314
23.4 miles
Moore Construction Group designs and builds custom home additions in Alexandria, VA and Northern Virginia, including basement ADU conversions, rear additions, master suites, and sunrooms, adding space and value without moving.
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Excell Homes
16021 Industrial Drive, Gaithersburg, MD 20877
30.4 miles
Excell Homes is a Northern Virginia ADU builder with 20+ years experience. They offer turnkey accessory dwelling units in Fairfax, Arlington & Alexandria, covering design, permitting & construction under one fixed-price contract.
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Thomas Custom Builders
9058 Euclid Avenue, Manassas, VA 20110
1.6 miles
Thomas Custom Builders designs & builds ADUs in Virginia, including detached units & in-law suites. Ideal for multigenerational living, rental income, or added property value. Experienced ADU contractor handling full construction, code com... read more
Basement Remodeling
1724 20th Street Northwest, Washington, DC 20009
26.2 miles
DC basement ADU conversions require owner-occupancy, zoning approval, and code compliance. Costs range $100K–$250K+. Basement Remodeling handles permits, design, and construction in 2–4 months.
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UP Craftsmen
9108 Kingsbury Drive, Silver Spring, MD 20910
29.9 miles
UP Craftsmen is a licensed ADU builder in Montgomery County, MD, specializing in accessory dwelling units, home additions, and remodeling. They offer Home, Professional, and Studio Series ADUs, plus full construction services. MHIC License #015138... read more
Hammer Contractors
5335 Wisconsin Avenue Northwest, Washington, DC 20015
26 miles
Hammer Contractors builds ADUs in Washington DC, including detached units, garage conversions, and basement apartments. They handle zoning compliance, permits, and full construction, helping homeowners add rental income or family living space.
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Halsey Homes
King George, VA
36.5 miles
Halsey Homes builds custom ADUs in Fredericksburg, VA—detached units, in-law suites, granny flats & garage conversions. With 25+ years of experience, voted Best Builder 2025. Expert ADU contractor handling design through completion.
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WISA Solutions
8560 Cinder Bed Road, Lorton, VA 22079
15.7 miles
Other cities in Virginia
What you need to know
ADU Contractors in Manassas, Virginia: Building in a Historic Civil War City
Manassas, Virginia is a city steeped in Civil War history, home to the famous Manassas National Battlefield Park. This unique historical character means that ADU contractors in Manassas must be especially mindful of local zoning regulations, historic preservation guidelines, and neighborhood aesthetics when planning and constructing Accessory Dwelling Units. Working with an experienced ADU contractor in Manassas, VA ensures your project respects the city's rich heritage while maximizing your property's potential.
Zoning and Regulatory Requirements for ADUs in Manassas
The City of Manassas operates under its own zoning ordinance, separate from Prince William County, which surrounds it. ADU regulations in Manassas are governed by the City's Zoning Ordinance, and homeowners must comply with specific requirements before breaking ground. Key considerations include:
- ADUs are generally permitted in single-family residential zones (R-1, R-2, and similar districts)
- The ADU must be clearly subordinate in size to the primary dwelling unit
- Adequate off-street parking must be provided for both the primary and accessory unit
- Owner-occupancy requirements may apply depending on the zoning district
- Setback requirements and lot coverage limits must be strictly observed
- Building permits and inspections are required through the City of Manassas Building and Development Department
Types of ADUs Built by Manassas Contractors
Skilled ADU builders in Manassas, Virginia are experienced in constructing a variety of accessory dwelling unit types to suit different property layouts and homeowner needs. The most common ADU types in the Manassas area include:
- Detached ADUs: Standalone structures built in the backyard, ideal for larger lots common in Manassas neighborhoods
- Attached ADUs: Units added onto the side or rear of the existing home
- Garage Conversions: Transforming an existing attached or detached garage into a livable space
- Basement ADUs: Converting an existing basement into a fully functional dwelling unit
Why Hire a Local ADU Contractor in Manassas?
Hiring a local ADU contractor in Manassas, VA offers significant advantages. Local professionals are familiar with the City's permitting process, building codes, and the specific requirements of the Building and Development Department. They understand how to navigate potential complications related to historic districts or proximity to protected areas near the battlefield. A knowledgeable contractor will also help ensure your ADU complies with Virginia Uniform Statewide Building Code (USBC) requirements, which apply across the Commonwealth.
Maximize Your Investment with an ADU in Manassas
With Manassas being a growing community in Northern Virginia, close to major employment centers in the Washington D.C. metro area, adding an ADU to your Manassas property can provide significant rental income potential and increase overall property value. Contact a qualified ADU contractor in Manassas, Virginia today to explore your options and begin the planning process.