Detached ADU in Oregon
ADU PDX
2325 NE 19th Ave, Portland, OR 97212
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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The Remodel Group
9570 Southwest Tigard Street, Tigard, OR 97223
The Remodel Group is a Portland-based design-build firm specializing in ADU construction and whole house remodeling. Services include detached ADUs, garage conversions, and JADUs. Earth Advantage certified, they offer sustainable, budget-conscious builds.
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Aforma Design Studio
3617 NE 16th Ave, Portland, OR 97212
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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Backyard Blueprint
Gresham, OR 97204
Backyard Blueprint is a Portland, OR family-owned ADU contractor with 20+ years of experience. Services include detached ADUs, garage conversions, and remodels. They offer 15+ floor plans and custom designs, managing permits to completion in 4–6 months.
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Straight Line Design and Remodeling LLC
9645 Southwest Beaverton Hillsdale Highway, Beaverton, OR 97005
Straight Line Design and Remodeling LLC offers ADU design and build services in Portland, Oregon. Serving Beaverton, Tigard, Lake Oswego & Hillsboro since 2010, they build backyard cottages for rental income, multigenerational living & added property value.
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Emmert International
11811 Southeast Highway 212, Clackamas, OR 97015
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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Propel Studio
422 Northeast 79th Avenue, Portland, OR 97213
Paulson Construction Inc.
Bend, OR 97701
Paulson Construction Inc., based in Bend, Oregon, offers full-service construction including custom homes, remodels, and ADUs. Services cover design, permitting, and build phases for detached ADUs, garage conversions, and in-law suites.
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Home Remodel Portland
8505-8835 SW Tualatin-Sherwood Road, Tualatin, OR 97062
Home Remodel Portland builds code-compliant ADUs including garage conversions, backyard cottages, and basement units. They handle permits, zoning, and inspections with local expertise, offering a clear process and three-year warranty.
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BLD House
3853 Southwest 21st Street, Redmond, OR 97756
BLD House is a design-build ADU contractor offering fully in-house prefab accessory dwelling units. Their modular, off-site construction method ensures quality and cost efficiency. Starting at $299,000 for a 500 sq ft 1bed/1bath unit.
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Boss PDX
252 A Avenue, Lake Oswego, OR 97034
With over 17 years of construction experience in the Portland metro area, Boss PDF helps clients turn underused space—like garages, basements, and backyards—into fully livable dwellings that add long-term value.
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323 Construction
Grants Pass, OR 97526
323 Construction builds ADUs in Southern Oregon, including detached units, in-law suites & backyard cottages. Ideal for rental income, home offices, gyms & more. Local expertise ensures quality construction tailored to your needs.
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Gencon
Clackamas, OR 97027
Gencon is a family-owned ADU contractor serving Clackamas County, OR. They build detached ADUs, garage conversions, in-law suites & JADUs. Full-service from design to move-in-ready finish.
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Jenson Contracting
19120 S Fernwood Rd, Molalla, OR 97038
Jenson Contracting builds ADUs in Beaverton, Oregon, including detached ADUs, garage conversions & in-law suites. They navigate local size, height, setback & lot coverage rules to ensure compliant, self-contained accessory dwelling units.
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Top Form Contracting
2103 Pacific Boulevard Southeast, Albany, OR 97321
Top Form Contracting offers expert ADU construction in Corvallis, Oregon. Services include design, new builds, garage conversions, and JADUs. Licensed, permit-compliant, and affordable — ideal for adding rental income or flexible living space.
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Other cities in Oregon
What you need to know
Searching for top Detached ADU ADU Contractors in Oregon? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Oregon ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Oregon homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Oregon, and get started today.