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.
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NW Finishing is a Seattle-area ADU contractor offering full-service accessory dwelling unit design and construction. Serving Bellevue, Kirkland, Redmond, Renton, and more, they handle permits, planning, and builds for detached, cottage, and prefab ADUs.
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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.
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Deane Home Services builds ADUs in South King County, WA, including garage conversions, basement remodels, and detached backyard cottages. Licensed, bonded & insured. Serving Kent, Renton, Federal Way & more.
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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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Giant Builders Seattle is a Kent, WA general contractor with 20+ years of experience offering ADU construction, garage conversions, kitchen & bathroom remodeling, room additions, roofing, deck building, and more.
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Elite Team Builders Inc. designs & builds ADUs—detached units, garage conversions & backyard cottages—in Seattle, Portland & Los Angeles. They offer custom design, quality materials & transparent pricing for lasting residential value.
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SkyDADU is a DADU builder and equity partner serving King, Snohomish, and Pierce counties in Washington State. They offer fixed-price packages, up to 100% funding, and handle permitting, construction, and condominiumization for detached accessory dwelling units.
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Red's Construction & Renovation serves Federal Way & South King County, WA, specializing in ADU construction including detached, attached, garage conversions & basement units. Costs range from $50K–$300K+. Licensed, insured, transparent pricing.
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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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Mallard Brothers Construction builds ADUs & Tiny Homes in Olympia, WA. They offer attached, detached, garage conversions & ADA-accessible units, managing design, permits & construction for property owners seeking rental income or extra living space.
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ADUs offer self-contained living with kitchen, bath & bedroom for rental or family use. Room additions expand existing home space. Above & Beyond Construction serves Seattle & Puget Sound homeowners with both project types.
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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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Greater Seattle Remodeling builds code-compliant ADUs across the Seattle metro, including detached ADUs, garage conversions, and basement apartments. They match homeowners with vetted contractors for permits, design, and construction.
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The DADU Guy is a Tacoma-based detached ADU builder serving Pierce County, WA. Specializing in DADUs, garage conversions, and basement conversions, they offer 5 floor plans, guaranteed pricing, and full project management to maximize property value.
read moreTacoma, Washington — proudly known as the City of Destiny — has seen a significant surge in demand for Accessory Dwelling Units (ADUs). With its proximity to Seattle, a growing population, and a strong rental market, Tacoma homeowners are increasingly turning to experienced ADU contractors in Tacoma to maximize their property's potential. Whether you're looking to house extended family, generate rental income, or increase your home's value, building an ADU in Tacoma is a smart investment.
Before breaking ground, it's essential to understand Tacoma's specific ADU rules. The City of Tacoma allows ADUs in most residential zones, including R-1, R-2, and R-3 zoning districts. Homeowners and ADU contractors must comply with the following key regulations:
Hiring a knowledgeable ADU contractor in Tacoma, WA means working with professionals who understand local building codes, permit processes, and design standards. A qualified contractor will handle everything from initial site assessment and architectural design to permit acquisition and final construction. Given Tacoma's varied terrain — including hillside lots and older neighborhoods like North Tacoma and Proctor — experienced contractors know how to navigate site-specific challenges that can affect foundation work, drainage, and utility connections.
Tacoma ADU contractors typically specialize in several types of accessory dwelling units, including:
Working with a local ADU contractor in Tacoma ensures faster permit approvals, familiarity with Pierce County utility requirements, and a deeper understanding of neighborhood-specific design standards. Local contractors also maintain relationships with Tacoma's Permit Center, helping to streamline the approval process. With housing demand continuing to rise in the South Puget Sound region, now is the ideal time to invest in an ADU and partner with a trusted Tacoma-based contractor to bring your vision to life.