Puget Sound ADU Builders

2226 Eastlake Ave E, Seattle, WA 98102 6.9 miles

At Puget Sound ADU Builders, we create functional and cozy and ADUs (Accessory Dwelling Units) in Washington. Our company was founded by Tanya Mills and built on a passion for providing high-quality, affordable housing solutions that unite families. With rising costs in traditional housing and care, we offer practical alternatives that allow your loved ones to live independently in comfortable spaces—right in your backyard.

United Signature

1010 Southeast Everett Mall Way, Everett, WA 98208 14.7 miles

Seattle-based United Signature specializes in ADU & DADU construction. They offer custom design, permitting, and project management. Benefits include rental income, multi-generational living & versatile spaces. Financing available via Enhancify.

New Image Construction Management

8305 Dallas Ave S, Seattle, WA 98108 12.8 miles

New Image Construction Management is a Washington State general contractor and building company based in Seattle, WA. With a primary focus of new home construction and renovation of residential and commercial properties.

Emerald City Construction & Renovation

2571 152nd Avenue Northeast, Redmond, WA 98052 5.4 miles

52 weeks build time Eco-Friendly Luxury Builds

Seattle ADU & DADU contractor Emerald City Construction & Renovation builds accessory dwelling units across Seattle, Bellevue & Eastside. Projects cost $350K–$500K+, take 8–14 months, and support rental income, multigenerational living & more.

Northwest ADU

1201 Pacific Avenue, Tacoma, WA 98402 32.6 miles

Licensed 36 weeks build time

Northwest ADU is a full-service ADU contractor in Western Washington specializing in detached ADUs, garage conversions, and basement conversions. Serving Pierce, King, and Snohomish Counties, projects range from $180K–$350K+, taking 6–10 months.

Huskies Construction

1201 Monster Road Southwest, Renton, WA 98057 15.8 miles

Huskies Construction in Renton specializes in home additions, ADUs, and DADUs. Services include garage conversions, granny flats, in-law suites, backyard cottages, and room additions, helping homeowners expand living space or generate rental income.

Exceptional Home Builders Seattle

1525 11th Avenue, Seattle, WA 98122 7.7 miles

Licensed 20 years in business Luxury Builds

Exceptional Home Builders is a Seattle ADU contractor with 20+ years of experience. They offer full-service ADU construction, design-build, permitting, interior design, and renovations for backyard cottages, garage conversions, and basement units.

Chapman Projects

4225 335th Place Southeast, Fall City, WA 98024 17 miles

20 years in business Eco-Friendly

Chapman Projects offers ADU design and construction in Seattle, Bellevue, and King County. With 20+ years of experience, they provide custom accessory dwelling units, detached ADUs, and backyard cottages using sustainable building practices.

Backyard ADU

4813 37th Avenue Northeast, Seattle, WA 98105 4.2 miles

Backyard ADU is a full-service ADU contractor managing every stage of accessory dwelling unit builds, including feasibility, permits, site surveys, foundations, construction, utility connections, and condo legal services.

Anderbar Construction

12391 Glenwood Road Southwest, Port Orchard, WA 98367 28.9 miles

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.

Model Remodel

1111 West Nickerson Street, Seattle, WA 98119 8.3 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 Backyard Homes

4813 37th Avenue Northeast, Seattle, WA 98105 4.2 miles

Eco-Friendly

Seattle Backyard Homes builds expert ADUs, DADUs, garage conversions & backyard cottages in Seattle and Bellevue. Full-service ADU contractors handling design, permits, zoning & construction with quality craftsmanship and transparent pricing.

True Built Home

3403 North Proctor Street, Tacoma, WA 98407 31.8 miles

Eco-Friendly

True Built Home builds custom ADUs in Washington & Oregon, offering 14 floor plans from 495–1,199 sq ft, priced from $119,900. Plans include granny flats, in-law suites & backyard cottages with transparent pricing and customizable designs.

Marksymov Brownstone

12814 Northeast 139th Street, Kirkland, WA 98034 2.6 miles

Licensed

Marksymov Brownstone LLC is a licensed Seattle ADU contractor offering basement, garage & attic conversions. They handle design, permits & construction, ensuring code compliance across Seattle, Bellevue & Kirkland.

Carriage Houses Northwest

4401 80th Street Northeast, Marysville, WA 98270 25.9 miles

Carriage Houses NW is a Pacific Northwest ADU builder specializing in infill housing. They develop ADUs, duplexes, and townhomes, partner with homeowners, and offer fee-to-build services, leveraging WA State HB 1110 and HB 1337 legislation.

Other cities in Washington

What you need to know

ADU Contractors in Kirkland, WA: Building in a Thriving Lakeside City

Kirkland, Washington, is one of the most desirable cities on the eastern shore of Lake Washington, known for its vibrant waterfront, tech-driven economy, and strong housing demand. With median home values consistently among the highest in King County, homeowners in Kirkland are increasingly turning to Accessory Dwelling Units (ADUs) as a smart way to add rental income, house family members, or increase property value. Finding experienced ADU contractors in Kirkland, WA is the critical first step toward making that investment a success.

Kirkland ADU Regulations You Need to Know

Before breaking ground, it's essential to understand Kirkland's specific zoning and permitting requirements. Kirkland falls under King County jurisdiction for some unincorporated areas, but the City of Kirkland has its own municipal code governing ADUs. Key regulations include:

What Experienced ADU Contractors in Kirkland Offer

A qualified ADU contractor in Kirkland will be well-versed in navigating the city's permitting process, which can be complex and time-consuming without professional guidance. The best contractors handle everything from initial design and feasibility assessments to permit applications, construction, and final inspections. Given Kirkland's competitive real estate market and high construction standards, working with a licensed and insured local contractor is not just recommended — it's essential.

Types of ADUs Popular in Kirkland

Why Invest in an ADU in Kirkland Today

With Kirkland's proximity to major tech employers like Google's Kirkland campus and easy access to Seattle via SR-520, rental demand remains exceptionally strong. A well-built ADU can generate significant monthly rental income while also increasing your home's overall market value. Partnering with a skilled ADU contractor in Kirkland, Washington ensures your project is completed on time, on budget, and fully compliant with all local codes.

ADU Contractors near Kirkland, WA