Neil Kelly designs & builds ADUs in the Northwest, including detached cottages, garage conversions, basement/attic conversions & attached units. Expert team handles permits, local regulations & custom design for rental income, guests or family housing.
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Collins ADU Builders is a licensed Portland ADU contractor offering detached ADUs, garage conversions, JADUs, home additions & design services. Free consultations, transparent pricing, full permit coordination included.
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JCS Construction LLC builds custom ADUs in Oregon, including detached backyard cottages, granny flats, garage conversions, basement conversions, and pole building ADUs. They handle both standard and non-traditional structures with quality craftsmanship.
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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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Mighty ADU Company is a trusted ADU contractor in Portland, OR, specializing in designing and building accessory dwelling units. They manage everything from planning and permitting to construction, ensuring quality, transparency, and stress-free results for homeowners.
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TaylorSmith Sustainable Construction is a Portland, Oregon contractor specializing in sustainable new homes, renovations, energy retrofits, and ADU construction. All new builds target DOE Net Zero Energy Ready certification.
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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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Lamont Bros. Design & Construction is a Portland, Oregon ADU contractor offering full design-build services. They help homeowners plan and build accessory dwelling units, including detached ADUs, garage conversions, and JADUs for rental income or flexible living.
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EcoCraft LLC designs & builds custom ADUs in Portland, OR, including detached ADUs, garage conversions & in-law suites. Serving Beaverton, Tigard & Vancouver, WA. Projects range from $150K–$350K. Full permitting support included.
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Jason Allen Contracting, LLC is a Portland-based contractor specializing in ADU construction, home additions, basement remodeling, kitchen and bathroom renovations, garage conversions, and master plan design services for homeowners.
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Jack Barnes Architect, PC is a licensed architectural firm in Portland, OR, specializing in residential design including ADUs, garage conversions, JADUs, and backyard cottages. Located on SE Belmont Street, they help clients navigate permitting and design.
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Accessory Dwelling Units (ADUs) add self-contained living space to existing properties. Rain Creek Construction serves Clark County homeowners with ADU builds, including garage conversions, basement apartments & detached units, backed by 10+ years of custom home experience.
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As a premier ADU contractor in Portland, Sert Construction specializes in designing and building high-quality, functional ADUs. Whether you're considering an added space for rental income, additional family space, or a home office, their team of experienced ADU builders ensures a seamless integration of these units into your existing property.
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Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.
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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.
read moreGresham, Oregon's fourth-largest city, sits at the eastern edge of the Portland metro area, offering a unique blend of suburban living and natural beauty near the Columbia River Gorge. As housing demand continues to grow in the region, ADU contractors in Gresham, Oregon are playing a vital role in helping homeowners maximize their property value and address the local housing shortage. Whether you're looking to build a detached backyard cottage, a garage conversion, or an attached accessory dwelling unit, finding the right ADU contractor in Gresham is essential to navigating the city's specific building requirements.
Before breaking ground, homeowners must understand that Gresham follows its own Development Code, separate from Portland's regulations, even though the two cities are neighbors. ADU construction in Gresham is governed by the City of Gresham Community Development Department. Key regulations that experienced ADU contractors in Gresham must be familiar with include:
Working with a licensed and experienced ADU contractor based in or familiar with Gresham can save homeowners significant time and money. Local contractors understand the nuances of Gresham's permitting process through the city's Building Division, know how to work with Multnomah County requirements when applicable, and have established relationships with local inspectors. This local expertise helps avoid costly delays and ensures your ADU project moves forward efficiently.
With Gresham's growing population and its proximity to major employers in the Portland metro area, building an ADU in Gresham is a smart long-term investment. Rental income potential is strong, and ADUs can also serve multigenerational family needs. Contact a qualified Gresham ADU contractor today to discuss your project, review your property's zoning, and begin the permitting process with confidence.