Roost Homes LLC is a Portland-based contractor specializing in ADU design and build, home additions, and remodels. They offer energy-efficient detached ADUs, garage conversions, and full renovations tailored to client needs across the Portland metro area.
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Cornerstone Builders Inc offers full-service ADU construction, including custom design, utility connections, and interior finishes. Specializing in detached ADUs, garage conversions, and JADUs, they use energy-efficient materials for functional, livable spaces.
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ADU-PDX is a Portland-based ADU builder with 30+ years of experience. They specialize in garage conversions, detached ADUs, granny flats & in-law suites, handling permits and zoning for hassle-free builds across the Portland metro area.
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Brothers Lane Builders, LLC specializes in ADU (Accessory Dwelling Unit) construction for homeowners in Salem, Oregon. Whether you want a backyard cottage, in-law suite, or rental unit, our experienced team guides you through every step—from planning and permitting to expert building and finishing.
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Shelter Solutions, Portland's trusted ADU builder since 1997, has completed 250+ accessory dwelling units. Offering full design-build services—from permits to occupancy—they specialize in custom detached ADUs, backyard cottages, and in-law suites across the Portland Metro area.
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Adair Homes offers custom ADU builder solutions, including stand-alone and attached accessory dwelling units. With a six-step building process, financing via Basis Home Loans, and expert guidance, Adair simplifies new home and ADU construction.
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Arciform is a Portland-based ADU design/build firm specializing in accessory dwelling units, including garage conversions, detached ADUs & in-law suites. They handle permits, historic properties & full construction.
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Alta Casa Remodeling is a Vancouver, WA ADU builder specializing in accessory dwelling units, garage conversions, in-law suites, and home additions. They also offer kitchen, bathroom, and full home remodels, backed by a one-year workmanship warranty.
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Keyser Construction Inc is a Portland, OR ADU contractor since 1996. They build detached cottages, garage conversions, basement & attic ADUs. Licensed, bonded & insured, offering free estimates and permit handling across the Portland metro area.
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With over 50 years in residential & commercial construction, house lifting, and house moving - you can rest assured that your project will be handled with insight and care. At Emmert International, we’re here to make your ADU project a success. Give us a call today!
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Aforma Design Studio offers white-label architectural design, rendering, and preconstruction services for builders, developers, and homeowners across the US, including ADUs, renovations, and new construction, delivered under your brand.
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Clarkbuilt is a Portland, Oregon residential contractor specializing in custom homes, remodels, additions, and ADU construction. Founded in 2006, they offer expert accessory dwelling unit building, custom cabinetry, and serve clients across Oregon and Washington.
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Rybak & Company LLC builds ADUs in Vancouver, Camas, Washougal & Portland Metro. Services include detached ADUs, garage conversions & in-law suites. Projects start at $175K–$250K+. Free estimates available.
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Reborn Construction LLC offers garage conversion and ADU services in Portland, OR. They handle permits, structural upgrades, and finish work for guest suites, rental units, and home offices across Portland, West Linn, Beaverton, and Gresham.
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VDC Builders Inc specializes in ADU design & construction, including backyard cottages, in-law suites & rental units. Services cover flooring, kitchen & bathroom remodels, custom home building & cabinet refinishing.
read moreWilsonville, Oregon is one of the most carefully planned cities in the Portland metro area, known for its strong community design standards and proximity to major employers like Mentor Graphics and Xerox. This master-planned character means that ADU contractors in Wilsonville must navigate a unique set of local development codes that go beyond standard Oregon state requirements. Whether you're looking to build a detached ADU, an attached ADU, or convert an existing garage, working with an experienced Wilsonville ADU contractor is essential to ensuring your project meets all local standards.
Wilsonville falls under the jurisdiction of the City of Wilsonville Community Development Department, which enforces its own land use and zoning codes. Oregon state law (particularly HB 2001) requires cities like Wilsonville to allow ADUs in single-family residential zones, but the city may still apply specific standards. Key regulations that ADU contractors must address in Wilsonville include:
Hiring a local ADU contractor familiar with Wilsonville can save you significant time and money. Local contractors understand the nuances of the city's permitting process, including submitting plans to the Community Development Department and coordinating inspections. They are also familiar with Wilsonville's stormwater management requirements, which are particularly relevant given the city's location near the Willamette River and its commitment to environmental stewardship.
A qualified ADU builder in Wilsonville, Oregon will typically guide you through the following steps:
Adding an ADU to your Wilsonville property is a smart investment, whether for rental income, multigenerational living, or increasing property value. With the right ADU contractor in Wilsonville, OR, the process can be smooth and efficient. Be sure to choose a licensed, bonded, and insured contractor with proven experience in Oregon's ADU regulations and Wilsonville's specific development standards.