Seattle's trusted DADU & ADU builder offers custom builds, ADU conversions, and prefab cabins. Transparent pricing, expert guidance, and hands-on construction help homeowners add lasting value with backyard cottages and granny flats.
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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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Seattle Remodeling LLC specializes in ADU construction in Seattle, offering mother-in-law suites, backyard cottages, garage conversions, and granny flats. They help homeowners add value, rental income, and flexible living space.
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True Built Home builds custom ADUs in Washington & Oregon, offering 14 floor plans from 495–1,199 sq ft, priced from $119,900. Plans include granny flats, in-law suites & backyard cottages with transparent pricing and customizable designs.
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BB Builders Pro specializes in ADU construction, garage conversions, home additions, and detached backyard cottages. Services include custom design, permitting, zoning compliance, and renovations—ideal for rental income or family housing.
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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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Greenpod Design builds custom DADUs in Washington using SIP construction and sustainable materials. They handle permits, ADA-compliant design, and energy-efficient builds. WA law allows up to two ADUs per lot, up to 1,000 sq ft.
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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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Armada Design & Build Inc., Bellevue, WA, offers full-service residential design-build since 2011. Specializing in remodels, home additions, and custom builds across Puget Sound, they deliver turnkey solutions with in-house design and quality craftsmanship.
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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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Seattle ADU is a Seattle-based contractor specializing in accessory dwelling units, including detached ADUs, garage conversions, attached ADUs, and JADUs. They manage design, permitting, and construction for homeowners seeking additional living space.
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Evola Builds LLC, led by Michael and Amber Evola, offers residential renovation and construction services including bathroom remodels, ADU work, garage conversions, and structural modifications, collaborating closely with architects and homeowners.
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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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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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Sockeye Homes designs & builds custom ADUs and DADUs, offering full-service support from permits to construction. Fixed-cost packages range from $218K–$335K+, suiting retirees, families & rental income seekers.
read moreEverett, Washington, the seat of Snohomish County and home to major employers like Boeing and Naval Station Everett, has seen significant housing demand growth in recent years. As the city continues to expand, ADU contractors in Everett, WA are playing a crucial role in helping homeowners maximize their property value and address the region's housing shortage. Whether you're near the waterfront, in the Bayside neighborhood, or close to the Everett Station transit hub, adding an Accessory Dwelling Unit can be a smart investment in this competitive Pacific Northwest market.
Before hiring an ADU contractor in Everett, it's essential to understand the local zoning and building codes. Everett follows Washington State's updated ADU-friendly legislation, and the city has its own specific requirements that experienced contractors must navigate carefully. Key regulations include:
A qualified Everett ADU contractor will handle every phase of your project, from initial design and permit applications to final inspections. Given Everett's rainy Pacific Northwest climate, experienced local contractors understand the importance of proper waterproofing, insulation, and moisture management — critical factors for any new construction or garage conversion in this region. They will also be familiar with Everett's utility connection requirements, including hooking up to the city's water and sewer systems.
Homeowners in Everett work with ADU contractors to build several types of units, depending on their lot size and budget:
Choosing a contractor with direct experience in Everett, Washington ADU projects ensures smoother permitting, faster approvals, and construction that meets local code standards. Local contractors understand Snohomish County's soil conditions, Everett's specific inspection processes, and the nuances of building in a city that balances historic neighborhoods with rapid modern development. Investing in a professional, licensed ADU contractor in Everett is the most reliable path to a successful, code-compliant accessory dwelling unit.