Doyle Construction

300 Deschutes Way Southwest, Tumwater, WA 98501 20.1 miles

RT Signature Homes

4164 148th Avenue Northeast, Redmond, WA 98052 38.1 miles

RT Signature Homes, a Redmond, WA-based ADU contractor and design-build firm, builds detached and attached ADUs, garage conversions, and in-law suites, managing feasibility review, permitting, and construction for functional residential living spa... read more

Harjo Construction

4900 15th Avenue Northwest, Seattle, WA 98107 35.4 miles

15 years in business

Harjo Construction builds AADUs & DADUs in Seattle with 300+ projects since 2010. Costs range $275K–$650K, max 1,000 sq ft, 4–6 month build time. Seattle removed owner-occupancy rules, boosting ADU rental potential.

H26 Builders

5207 South Willow Street, Seattle, WA 98118 28.9 miles

Eco-Friendly

H26 Builders is a Seattle ADU contractor offering attached ADUs, detached ADUs, and garage conversions. Services include design consultation, permitting support, and project management to help homeowners add functional living or rental space.

Model Remodel

1111 West Nickerson Street, Seattle, WA 98119 34.8 miles

Seattle's 2019 ADU law changes made it easier to build accessory dwelling units on single-family lots. DADUs can't exceed 50% of the main home's size. No parking required. New detached ADUs start around $350,000.

Seattle ADU

509 Olive Way, Seattle, WA 98101 32.4 miles

Seattle ADU is a Seattle-based contractor specializing in accessory dwelling units, including detached ADUs, garage conversions, attached ADUs, and JADUs. They manage design, permitting, and construction for homeowners seeking additional living sp... read more

Twin Brothers Group

14205 Southeast 36th Street, Bellevue, WA 98006 33.8 miles

Licensed

Twin Brothers Group is a licensed framing contractor in Washington State specializing in ADU, DADU, garage conversions, and home additions across King and Snohomish County, serving Seattle-area GCs and owner-builders.

New Day Construction

15021 116th Place Northeast, Kirkland, WA 98034 42.8 miles

Licensed 21 years in business Eco-Friendly

New Day Construction is a licensed ADU builder in Bellevue, WA, with 21+ years of experience and 250+ projects. They build detached, attached, garage, basement, and custom ADUs, managing permits and design from start to finish.

North West Builders & Renovations

1135 Lake Washington Boulevard North, Renton, WA 98057 28 miles

Modern ADU Plans

3660 Lavender Ln NE, Bainbridge Island, WA 98110 34.9 miles

Explore pre-designed ADU floor plans from Modern ADU Plans — studio, 1-bed, 2-bed, garage conversions & more. Save time, reduce costs & maximize property value with ready-to-build accessory dwelling unit designs.

Gravity Builders LLC

17422 108th Avenue Southeast, Renton, WA 98055 25 miles

Licensed

Gravity Builders LLC is a licensed ADU contractor and custom home builder in Renton, WA. Specializing in ADU/DADU construction, custom homes, outdoor living spaces, and concrete work, they deliver quality craftsmanship with transparency and integr... read more

Other cities in Washington

What you need to know

Searching for top Attached ADU ADU Contractors in Lakewood, Washington? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Attached ADU ADU Contractor in Lakewood ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Attached ADU professionals can guide you through every step.

Lakewood homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Attached ADU ADU Contractors in Lakewood, Washington, and get started today.

Attached ADU near Lakewood, WA