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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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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HiLine Homes is an experienced ADU builder in Idaho with nearly 30 years in custom home construction. They offer attached and detached ADU designs for rental income, multigenerational living, or home offices, with financing options available.
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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.... read more
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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Microhouse is a Seattle-based ADU builder specializing in custom detached ADUs (DADUs). They guide homeowners through zoning, design, and construction. Seattle permitted 551 DADUs in 2022, with a 40% increase in 2023. Microhouse offers site assess... read more
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 & per... read more
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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LYD Construction is a Seattle-area ADU builder & remodeling contractor with 25 years of experience. Services include kitchen, bathroom, basement renovations, deck building & ADU construction. Financing up to $200,000 available. Based in Be... read more
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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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 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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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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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 coz... read more
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.
read moreMukilteo is a charming waterfront city in Snohomish County, Washington, known for its scenic views of Puget Sound, the historic Mukilteo Lighthouse, and its proximity to Paine Field (Snohomish County Airport). This proximity to an active airport means that ADU contractors in Mukilteo must be especially mindful of FAA height restrictions and flight path regulations when designing and constructing accessory dwelling units. Working with an experienced local ADU contractor ensures your project stays compliant with these unique geographic and regulatory constraints.
ADU construction in Mukilteo is governed by the City of Mukilteo's Municipal Code and must align with Washington State's updated ADU-friendly legislation. Homeowners looking to add an accessory dwelling unit must navigate local zoning rules carefully. Key regulations include:
Hiring a qualified ADU contractor in Mukilteo, WA means working with professionals who understand the local permitting process through the City of Mukilteo's Community Development Department. The permitting process typically involves submitting detailed site plans, architectural drawings, and engineering reports. Given Mukilteo's hilly terrain and proximity to Puget Sound, geotechnical assessments and stormwater management plans may also be required. Experienced local contractors can streamline this process, reducing delays and unexpected costs.
Mukilteo homeowners commonly pursue several types of ADU projects, including:
Choosing a licensed and experienced ADU contractor familiar with Mukilteo, Washington is essential for a successful project. Local contractors understand the city's unique topography, soil conditions, airport proximity regulations, and municipal permitting requirements. They maintain relationships with local inspectors and can help you maximize your property's potential while ensuring full compliance with all applicable codes. Whether you're adding rental income or housing for family members, a trusted Mukilteo ADU contractor is your best investment.