Spear Builders of Virginia

6901 Meeting Street, Spotsylvania Courthouse, VA 22553 46.8 miles

Spear Builders of Virginia completed a custom garage with in-law suite (ADU) in Charlottesville, VA. Features include multi-bay garage, dormer windows, cupola, stone veneer, and a private second-floor living space compliant with local zoning.

Gold Rhino

7918 Jones Branch Drive, McLean, VA 22102 6.9 miles

Gold Rhino Modular Homes & Buildings offers innovative solutions, customizable designs, ready-to-ship units, and pre-configured packages for containerized modular homes, multi-unit modular structures, modular container offices, and commercial/industrial modular applications.

Oztan Studio

909 Rose Avenue, North Bethesda, MD 20852 16.9 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+.

BBCDC Construction & General Contractors

3418 13th St NW, Washington, DC 20010 15.5 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.

Montgomery Planning

2425 Reedie Drive, Wheaton, MD 20902 18.5 miles

Licensed

Montgomery County ADUs: ZTA 19-01 expanded accessory dwelling unit rules, removing bans on detached ADUs on small lots, lifting distance restrictions, easing parking near transit, and allowing garage conversions. Short-term rentals on ADU properties remain prohibited.

Capital Dwelling

4812 W Street Northwest, Washington, DC 20007 13.9 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.

Halsey Homes

King George, VA 40.3 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.

WISA Solutions

8560 Cinder Bed Road, Lorton, VA 22079 10.5 miles

UP Craftsmen

9108 Kingsbury Drive, Silver Spring, MD 20910 17.6 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.

Silva Construction for Home Remodeling

2723 North Wyoming Street, Arlington, VA 22213 7.6 miles

Back Creek Builders

1767 Baltimore Annapolis Blvd, Bowie, MD 32 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.

Doug Pruett Construction Company, Inc.

1932 Lincoln Drive, Annapolis, MD 21401 42.6 miles

Licensed Eco-Friendly

Doug Pruett Construction Company, Inc. is a full-service ADU contractor specializing in detached ADUs, garage conversions, backyard cottages, and in-law suites. They manage design, permitting, and construction in-house, ensuring code compliance and efficient project delivery.

Thomas Custom Builders

9058 Euclid Avenue, Manassas, VA 20110 10.8 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.

Four Brothers Design + Build

4009 Georgia Avenue Northwest, Washington, DC 20011 16.5 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.

Hammer Contractors

5335 Wisconsin Avenue Northwest, Washington, DC 20015 13.7 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.

Other cities in Virginia

What you need to know

ADU Contractors in Fairfax, Virginia: Navigating a High-Demand Housing Market

Fairfax, Virginia is one of the most affluent and densely populated jurisdictions in the greater Washington, D.C. metropolitan area. With a median household income well above the national average and a consistently competitive real estate market, homeowners in Fairfax are increasingly turning to Accessory Dwelling Units (ADUs) as a smart solution for generating rental income, housing aging family members, or simply maximizing property value. Finding experienced ADU contractors in Fairfax, VA who understand the local regulatory landscape is essential to a successful project.

Fairfax County Zoning and ADU Regulations

ADU construction in Fairfax is governed by Fairfax County's Zoning Ordinance, which was significantly updated in 2021. Under the revised ordinance, ADUs — referred to locally as Accessory Living Units (ALUs) — are permitted in most single-family residential zones. However, there are important rules that qualified ADU contractors must navigate carefully:

What to Look for in a Fairfax ADU Contractor

Hiring the right ADU contractor in Fairfax, Virginia means working with a professional who is licensed in Virginia, familiar with Fairfax County's permitting process, and experienced in both attached and detached ADU construction. The best contractors will handle everything from initial design and permit applications to final inspections. Given the complexity of Fairfax's zoning rules, local experience is a significant advantage.

The Value of Building an ADU in Fairfax, VA

Given Fairfax's proximity to major employment hubs like Tysons Corner, the Pentagon, and Amazon's HQ2 in nearby Arlington, rental demand remains exceptionally strong. A well-built ADU can generate significant monthly rental income while also increasing overall property value. Working with a skilled ADU contractor in Fairfax, Virginia ensures your investment is built to code, completed efficiently, and positioned to deliver long-term financial returns in one of Northern Virginia's most desirable communities.

ADU Contractors near Fairfax, VA