Backyard Homes Building Company
Washington, DC
5.0(36)
ADU ConstructionBackyard CottageCustom ADU
Specializing in ADU construction and related services in Washington, DC.
Looking for the best in-law suite builders in Washington, District of Columbia? Our directory features 10 vetted in-law suite builders serving the Washington area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Industry Leading Architects & Building Designers in Washington, DC
Four Brothers Design + Build is a full-service design-build firm in Washington, DC, specializing in residential remodeling, including ADUs.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Specializing in ADU construction and related services in Washington, DC.
Washington is one of the top markets for accessory dwelling units in District of Columbia. With growing demand for affordable housing, ADU construction in Washington offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of in-law suite builders in Washington helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Washington typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed in-law suite builders to compare prices.
Yes, ADU construction in Washington requires building permits. District of Columbia has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Washington typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.