ADU Contractors

America's Dream HomeWorks is a California-based design-build contractor specializing in ADU construction, including detached units, garage conversions & room additions. EPA Lead-Safe certified, A+ BBB rated, handling permits, design & build.

Austin ADU Builders offers turn-key accessory dwelling unit construction in Austin, TX, priced $125K–$300K. They build detached ADUs, granny flats & backyard cottages. Homeowners can also sell their backyard for $75K–$250K+ via their Backyard Purchase Program.

Master Remodelers LLC builds ADUs, casitas & guest homes in Houston. 30+ years experience, BBB A+ rated, lifetime warranty, 0% financing. Fully licensed & insured. Free estimates available.

Magnitude Construction offers custom home building, remodeling, and ADU construction in Kennewick, WA, serving the Tri-Cities area. Services include kitchen, bathroom, and whole home remodels, with local zoning expertise and transparent project management.

We specialize in building high-quality, custom Accessory Dwelling Units (ADUs) that provide both functionality and style for homeowners in Port Orchard, WA, and the surrounding areas. Whether you’re looking to add a rental property, create a cozy space for family, or simply expand your living area, an ADU is a versatile and valuable investment.

Castle Building & Remodeling offers full-service ADU construction, handling demolition, utilities, framing, and interior finishing. Specializing in detached ADUs and granny flats, they deliver compact, functional, move-in-ready backyard homes.

Dan Boyle Construction offers expert ADU construction in Santa Rosa & Sonoma County. With 30+ years experience, they handle site evaluation, permits, design & full builds for detached ADUs, granny flats & backyard cottages.

DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.

Alto Builders specializes in ADU construction in Los Angeles & Ventura County. Services include detached ADUs, garage conversions & JADUs. Costs range $300–$600/sq ft, with timelines of 5–12 months.

Aldridge Construction builds ADUs in Salinas, CA—detached, attached, garage conversions & interior units. Projects cost $150K–$300K, take 4–8 months, and include full permitting support. Free consultations available.

Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Santa Monica & beyond.

Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.

Vertical Contracting is a licensed full-service construction & remodeling company offering garage builds, ADU conversions, interior remodeling, pergolas, and flatwork. Known for quality craftsmanship and client-focused service.

Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across the Bay Area.

Radford Construction Company builds custom ADUs, including detached units, in-law suites, and guest suites. Expert ADU contractor managing design, permits, zoning, and construction for rental income or private family living space.