Seattle ADU & DADU contractor Emerald City Construction & Renovation builds accessory dwelling units across Seattle, Bellevue & Eastside. Projects cost $350K–$500K+, take 8–14 months, and support rental income, multigenerational living & more.
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Cruvers Contracting LLC builds ADUs in Snohomish, WA, tackling rural challenges like septic systems, slopes, and wooded lots. Serving areas including Lake Stevens, Monroe, and Everett with phased planning and durable, site-specific construction.
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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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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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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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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.
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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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SkyDADU is a DADU builder and equity partner serving King, Snohomish, and Pierce counties in Washington State. They offer fixed-price packages, up to 100% funding, and handle permitting, construction, and condominiumization for detached accessory dwelling units.
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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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Gravity Builders LLC is a licensed ADU contractor and custom home builder in Renton, WA. Specializing in ADU/DADU construction, custom homes, outdoor living spaces, and concrete work, they deliver quality craftsmanship with transparency and integrity.
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Interbay Construction is a Washington State ADU contractor building guest houses, in-law suites, detached ADUs & backyard cottages. Quality materials, clear communication & reliable timelines for every accessory dwelling unit project.
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Volcano Builders is a licensed, family-owned construction company serving Seattle, Bellevue & Monroe, WA. Specializing in kitchen remodels, bathroom renovations, home additions, deck builds, and ADU construction since 2021.
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Avio Homes is a Seattle-based ADU contractor specializing in detached ADUs, backyard cottages, and in-law suites. Serving Seattle, Tacoma, and Olympia, they handle design, permitting, and construction with local zoning expertise.
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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.
read moreKent, Washington, situated in the Green River Valley between Seattle and Tacoma, is one of the fastest-growing cities in King County. With a booming population and a strong demand for affordable housing, ADU contractors in Kent, WA are busier than ever helping homeowners maximize their property value. Whether you're looking to build a detached backyard cottage, a garage conversion, or an attached accessory dwelling unit, working with experienced ADU contractors in Kent is essential to navigating the city's specific zoning and building requirements.
Before breaking ground, homeowners and contractors must understand Kent's local ADU ordinances, which fall under the broader framework of King County and Washington State ADU laws. Kent follows Washington State's HB 1337, passed in 2023, which significantly expanded ADU rights statewide. Key regulations that your ADU contractor in Kent must be familiar with include:
Hiring a local ADU contractor in Kent offers significant advantages. Local professionals are familiar with Kent's specific soil conditions near the Green River floodplain, which can affect foundation design and construction costs. They also have established relationships with the City of Kent's permitting department, helping to streamline approvals and avoid costly delays. A knowledgeable Kent ADU contractor will also be aware of any stormwater management requirements enforced by the City, which are particularly relevant given the area's proximity to the Green River and its associated drainage systems.
Experienced ADU builders in Kent typically work on a variety of unit types to suit different property layouts and homeowner goals:
With housing demand continuing to rise across King County, building an ADU in Kent is a smart investment. Partnering with a qualified, licensed ADU contractor in Kent, Washington ensures your project meets all local codes, stays on budget, and adds lasting value to your property. Contact a trusted local ADU specialist today to discuss your vision and get started on permits.