Tenhulzen Construction offers ADU and DADU construction services in Washington State, providing pre-approved and custom plans. Options suit various budgets and timelines, with benefits including added property value and flexible living spaces.
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H26 Builders is a Seattle ADU contractor offering attached ADUs, detached ADUs, and garage conversions. Services include design consultation, permitting support, and project management to help homeowners add functional living or rental space.
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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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Love Construction builds ADU & DADU units in Seattle & Puget Sound to Passive House standards. Attached ADUs cost $85K–$280K; DADUs $175K–$550K. Includes permitting, energy modeling & a 5-year warranty.
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New Day Construction is a licensed ADU builder in Bellevue, WA, with 21+ years of experience and 250+ projects. They build detached, attached, garage, basement, and custom ADUs, managing permits and design from start to finish.
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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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NW Build specializes in ADU & DADU construction in Bellevue and the Puget Sound region. They manage permits, design, and builds for detached ADUs, attached units, and granny flats, adding value to residential properties.
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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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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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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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Zee Design & Build is a Kirkland, WA ADU contractor serving King, Snohomish, Skagit & Island Counties. Offering full-service ADU construction—garage conversions, basement units, backyard cottages & more—since 2012.
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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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Carriage Houses NW is a Pacific Northwest ADU builder specializing in infill housing. They develop ADUs, duplexes, and townhomes, partner with homeowners, and offer fee-to-build services, leveraging WA State HB 1110 and HB 1337 legislation.
read moreBremerton, Washington, home to the Puget Sound Naval Shipyard, is one of the fastest-growing cities on the Kitsap Peninsula. With a steady influx of military personnel, civilian workers, and families seeking affordable housing near Seattle via the Bremerton-Seattle ferry, the demand for Accessory Dwelling Units (ADUs) has surged significantly. Experienced ADU contractors in Bremerton understand this unique housing dynamic and are well-positioned to help homeowners maximize their property's potential.
Before breaking ground, homeowners and ADU contractors in Bremerton, WA must navigate the city's specific zoning and permitting requirements. Bremerton falls under the jurisdiction of the City of Bremerton Development Services, and ADU projects must comply with local municipal codes. Key regulations include:
Skilled ADU builders in Bremerton offer a variety of unit types to suit different property layouts and homeowner goals. Given Bremerton's mix of older craftsman homes, mid-century properties, and newer developments, contractors often work with:
Working with a local ADU contractor in Bremerton, Washington offers distinct advantages. Local professionals are familiar with the city's permitting process, have established relationships with Bremerton's Development Services department, and understand the region's specific climate considerations — including the wet Pacific Northwest weather that demands proper moisture management and insulation in all new construction.
Additionally, a knowledgeable Bremerton ADU contractor can help homeowners take advantage of Washington State's ADU-friendly legislation, including laws that have streamlined the permitting process and reduced barriers to ADU construction statewide. Whether you're looking to generate rental income, house a family member, or increase your property value, hiring an experienced ADU contractor in Bremerton, WA is the smartest first step toward a successful project.