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 ensur... read more
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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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 ... read more
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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Avead is an ADU contractor offering full-service accessory dwelling unit construction, including attached, detached, junior ADUs, garage conversions, and custom builds. With 20+ years of experience, transparent pricing, and a 5-year warranty.
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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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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
Abel Construction LLC builds barndominium ADU shells in Black Diamond & Rochester. Ideal for rentals, guest suites & extra living space. Durable, cost-effective & customizable structures for property owners.
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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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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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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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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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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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Northwest ADU is a full-service ADU contractor in Western Washington specializing in detached ADUs, garage conversions, and basement conversions. Serving Pierce, King, and Snohomish Counties, projects range from $180K–$350K+, taking 6–10 month... read more
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 c... read more
Kent, 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.