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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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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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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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.
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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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Haas Development & Construction offers ADU & DADU construction in Greater Seattle. They handle planning, permits, design, and builds for attached & detached units, including prefab DADU plans, helping homeowners add rental income or fa... read more
Cascadia ADU builds attached, detached, garage & basement ADUs across King, Snohomish, Skagit & Chelan Counties, WA. Full-service design, permitting & construction completed in 8–10 weeks with 10+ years experience.
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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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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 month... read more
Emerald ADU Builders Seattle specializes in ADU design, permitting, and construction. They build detached ADUs, attached ADUs, and garage conversions, serving Seattle homeowners with quality craftsmanship and transparent pricing.
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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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Alfa Framing offers residential construction services including structural framing, siding installation, roofing, and ADU/DADU construction. Serving new builds and additions, they bring decades of experience and a solution-oriented approach.
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FTS Excavation offers full-service ADU site development in South Puget Sound, Western Washington. Services include grading, utilities, septic systems, foundation excavation & permits. Certified, reliable ADU contractor for backyard homes &... read more
Tacoma, 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.