Drew Thatcher Construction builds ADUs in Lakewood, WA, including detached units, attached ADUs, and garage conversions. Founded by a Navy nuclear engineer, they offer design-build services with local Pierce County expertise.
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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 Bellevue, WA.
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Lindal Homes offers custom ADU and DADU kit home solutions across the US and Canada. Flexible floor plans, the Lindal Elements collection, and system-built construction make adding a backyard cottage or guest suite efficient and cost-effective.
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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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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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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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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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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 months.
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ModernSpace ADU Construction is a certified ADU builder serving Redmond, offering tailored accessory dwelling unit services. Competitive pricing, no hidden fees, and a satisfaction guarantee make them a trusted local choice.
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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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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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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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Homez Remodel is a Seattle ADU builder specializing in DADUs, backyard cottages, garage conversions & basement ADUs. With 10+ years experience, they handle permits, design & construction across Seattle, Bellevue, Kirkland & more.
read moreBellevue, Washington is one of the fastest-growing cities on the Eastside of the Puget Sound region, with a booming real estate market and some of the highest property values in the state. As housing demand continues to surge, ADU contractors in Bellevue, WA are playing a critical role in helping homeowners maximize their property's potential. Whether you're looking to build a detached ADU in your backyard or convert an existing space into a legal accessory dwelling unit, working with an experienced Bellevue ADU contractor is essential to navigating the city's specific requirements.
The City of Bellevue has its own set of land use codes that govern the construction of accessory dwelling units. Homeowners and contractors must comply with the Bellevue City Code (BCC), particularly Title 20, which outlines zoning and development standards. Key regulations that ADU builders in Bellevue must be aware of include:
One of the most important steps in any Bellevue ADU project is obtaining the proper permits through the City of Bellevue's Development Services Department. The permitting process typically involves submitting architectural plans, site plans, and engineering documents for review. Professional ADU contractors in Bellevue are familiar with the city's ePlans electronic submission system and can help streamline the approval process. Permit timelines in Bellevue can vary, so hiring a contractor with local experience is a significant advantage.
Choosing a local ADU contractor in Bellevue, Washington means working with professionals who understand the nuances of building in this specific market. From managing steep lot grades common in neighborhoods like Somerset and Factoria, to coordinating with Bellevue Utilities for water and sewer connections, local expertise matters. A qualified contractor will also help you:
With Bellevue's strong rental demand and high property values, building an ADU is one of the smartest investments a homeowner can make. Partnering with a knowledgeable ADU contractor in Bellevue, WA ensures your project is completed on time, on budget, and fully compliant with all local codes and regulations.