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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Lakeside ADU & Home Planning, based in Lake Stevens, WA, is a full-service ADU builder serving the Puget Sound Region. They specialize in backyard cottages, mother-in-law suites, garage conversions, and new builds, managing design, permitting, and construction.
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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.
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Cast Architecture specializes in ADU and backyard cottage design in Seattle since 2009. With 80+ projects, their Cedar Cottage is pre-approved by Seattle & Kirkland. Award-winning designs include Widner Cottage and Lichtenstein Studio. Visit castcottages.com.
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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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Northwest ADU is a trusted ADU builder in Mill Creek, WA, offering full-service accessory dwelling unit construction, including detached ADUs, garage conversions, and basement conversions, with expert permit and zoning support.
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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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An ADU (accessory dwelling unit) is a secondary dwelling on a single-family lot. Types include basement apartments, garage conversions & detached cottages. Costs vary by size, design, permits & materials. Professional ADU contractors ensure smooth project execution.
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Brutsky Builds is a licensed ADU contractor in Bellevue offering full-service accessory dwelling unit construction. Services start from $210,000, covering design, permitting, and build completion in ~6 months.
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Era Builders is a Seattle-based ADU contractor offering detached ADU construction, design, permitting, remodeling, and commercial renovations. They handle full ADU projects compliant with Seattle zoning rules, using sustainable practices.
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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 family housing.
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Northwest ADU builds custom detached ADUs, garage conversions & basement ADUs across Western Washington. Serving King, Pierce & Snohomish Counties with full-service ADU construction, build-ready plans & permit management.
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J Hanby LLC offers ADU and basement conversion services in the Eastside area. Specializing in detached ADUs, garage conversions, granny flats, and basement renovations, they help homeowners maximize property value and ROI.
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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.
read moreNormandy Park, Washington, is a small, upscale residential city nestled along the Puget Sound shoreline in King County, known for its lush tree canopy, waterfront views, and strict commitment to preserving its quiet, suburban character. For homeowners looking to add an Accessory Dwelling Unit (ADU) in Normandy Park, working with experienced local ADU contractors is essential. The city's unique zoning regulations, environmental considerations, and neighborhood aesthetics all play a significant role in shaping how ADU projects are planned and executed.
Normandy Park follows King County and Washington State guidelines while also enforcing its own municipal code. Homeowners and ADU contractors must navigate several key requirements before breaking ground. Washington State's HB 1337, passed in 2023, expanded ADU rights statewide, allowing up to two ADUs per single-family lot, which applies to Normandy Park residents as well. However, local setback rules, lot coverage limits, and tree retention ordinances can add layers of complexity to any ADU project.
Key regulatory considerations for ADU contractors working in Normandy Park include:
Skilled ADU contractors in Normandy Park offer a range of construction options tailored to the city's residential landscape. The most common types include:
Selecting a qualified ADU contractor in Normandy Park, WA means finding a professional who understands both state-level ADU legislation and the city's specific permitting process. Look for contractors with experience pulling permits through the City of Normandy Park's Community Development Department, familiarity with King County environmental regulations, and a portfolio of completed ADU projects in similar coastal residential communities. A knowledgeable contractor will help maximize your property's potential while keeping your project fully compliant and on budget.