Drew Thatcher Construction builds ADUs in Lakewood, WA, including detached units, attached ADUs, and garage conversions. Founded by a Navy nuclear engineer, they offer design-build services with local Pierce County expertise.
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Gordon T. Jacob is a family-run ADU builder and home remodeling contractor in South Puget Sound. Specializing in detached ADUs, backyard cottages, middle housing, and full home renovations in the Tacoma area.
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Olympic View Building is an ADU contractor offering detached ADU construction, garage conversions, in-law suites, granny flats, and JADU services. They help homeowners add value and living space while navigating zoning laws and building codes.
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Tacoma DADU Builders is a premier detached ADU builder serving Tacoma and Puget Sound. With 40+ years of experience, they offer turnkey ADU construction—design, permitting, and build—for investors, homeowners, and first-time buyers.
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Better Builders is a Seattle-based general contractor specializing in residential remodeling, garage conversions, ADUs, kitchen and bathroom remodels, basement finishing, deck repairs, and exterior work, with dedicated project management.
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Bicknell Builds offers ADU construction in the greater Seattle area, including detached ADUs, backyard cottages, granny flats, and in-law suites. Ideal for rental income, family housing, or added property value.
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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.
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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.
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Hammer & Hand is a Portland & Seattle general contractor with 30+ years of experience in new homes, remodels, ADUs & commercial builds. Employee-owned, they offer expert craftsmanship, custom woodwork & trusted subcontractor networks.
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Seattle ADUs offer rental income & flexible living. Coates Design Architects guides homeowners through detached, attached, garage & basement conversions. Costs range $200K–$350K+, with 7–11 month timelines. Sustainable design & permit-ready plans included.
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Wise Choice Construction offers expert home additions & ADU builds in Seattle, WA. From detached ADUs and granny flats to in-law suites, they handle permits, zoning, and seamless integration—boosting property value and livable space.
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Heartwood Builders is a Seattle ADU contractor specializing in backyard cottages, basement ADUs, and mother-in-law suites. They handle permitting, use sustainable materials, and help homeowners add rental income or family housing.
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Avio Homes is a Seattle-based ADU contractor specializing in detached ADUs, backyard cottages, and in-law suites. Serving Seattle, Tacoma, and Olympia, they handle design, permitting, and construction with local zoning expertise.
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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.
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Levite Construction Co is a Seattle-based family-owned general contractor offering kitchen remodeling, bathroom remodeling, ADU construction, garage conversions, new builds, interior design, and more across the Greater Seattle area.
read moreOlympia, the capital city of Washington State, offers a unique environment for accessory dwelling unit (ADU) construction. Known for its progressive housing policies and commitment to sustainable growth, Olympia has embraced ADUs as a key solution to its ongoing housing affordability challenges. The city's proximity to state government offices, Evergreen State College, and a thriving arts community creates consistent demand for flexible housing options. Experienced ADU contractors in Olympia, WA understand how to navigate the city's specific zoning codes and permitting processes to deliver high-quality results for homeowners.
Before breaking ground, it's essential to understand the local rules governing ADU construction in Olympia. The City of Olympia allows ADUs in most residential zones, including R-1, R-2, R-4, and R-6 districts. Key regulations that Olympia ADU contractors must follow include:
Working with a knowledgeable ADU contractor in Olympia, Washington is critical when navigating the city's permitting process. Permits are issued through the City of Olympia's Community Planning and Development department. The process typically involves design review, building permit applications, and inspections. Olympia has made efforts to streamline ADU permitting in recent years, but the process can still take several weeks to months depending on project complexity. Contractors familiar with local requirements can help avoid costly delays by submitting complete and accurate documentation from the start.
Hiring a local ADU contractor in Olympia, WA brings significant advantages. Local professionals are familiar with the Pacific Northwest's climate considerations, including moisture management, proper insulation for wet winters, and energy-efficient building practices aligned with Washington State's energy code. They also have established relationships with local subcontractors, suppliers, and city inspectors, which can help keep your project on schedule and within budget.
Whether you're looking to generate rental income, house a family member, or increase your property value, partnering with a qualified ADU contractor in Olympia, Washington is the first step toward a successful project.