WISA Solutions

8560 Cinder Bed Road, Lorton, VA 22079 15.7 miles

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 compliance & planning.

Makara ADU

15800 Gaither Drive, Gaithersburg, MD 20877 28.3 miles

Makara Builders is Washington DC's leading ADU contractor, specializing in detached ADUs, garage conversions, and granny flats across DC, Maryland, and Virginia. Build in 120 days from permit approval and start earning rental income fast.

Oztan Studio

909 Rose Avenue, North Bethesda, MD 20852 28.8 miles

Oztan Studio offers ADU design services in Arlington, VA. ADUs boost property value, enable rental income & multigenerational living. Arlington requires specific zoning, size & parking rules. Costs range from $100K–$300K+.

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.

Finecraft Contractors

104 Summit Hall Road, Gaithersburg, MD 20877 30.6 miles

38 years in business In-House Architect Turnkey Solutions

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 project management.

Capital Dwelling

4812 W Street Northwest, Washington, DC 20007 25.7 miles

Licensed 40 years in business

Capital Dwelling is a Washington DC-based ADU specialist helping homeowners in the DMV region plan, design, and build accessory dwelling units. Services include feasibility assessments, permitting, architectural design, and construction management.

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 zoning compliance and full construction.

JBL Construct LLC

3060 Williams Drive, Suite 300, #78, Fairfax, VA 22031 15.8 miles

Licensed

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 ft.

Glickman Design Build

15757 Crabbs Branch Way, Rockville, MD 20855 28.6 miles

Eco-Friendly

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 income optimization.

Halsey Homes

King George, VA 36.5 miles

25 years in business

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.

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.

UP Craftsmen

9108 Kingsbury Drive, Silver Spring, MD 20910 29.9 miles

Licensed

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 #0151386.

BBCDC Construction & General Contractors

3418 13th St NW, Washington, DC 20010 27.5 miles

BBCDC Construction & General Contractors specializes in ADU development in Washington, DC, managing zoning compliance, permits, and construction for detached, semi-detached, and attached accessory dwelling units across all residential zones.

Carbide Construction

7901 Kincannon Place, Lorton, VA 22079 16.6 miles

22 years in business Prefab Specialist Eco-Friendly

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.

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:

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:

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.

ADU Contractors near Manassas, VA