Detached ADU near Portland, OR
Build Forward
222 SE Alder St, Portland, OR 97214
1.5 miles
Build Forward is an ADU contractor helping homeowners add accessory dwelling units to boost property value, generate rental income, and create flexible living spaces like granny flats, in-law suites, or detached ADUs.
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Sert Construction
1528 Southeast Holgate Boulevard, Portland, OR 97202
3.2 miles
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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Integrity Timber Frame (ITF)
2455 Northwest Campus Drive, Estacada, OR 97023
21.5 miles
Integrity Timber Frame offers custom prefabricated timber frame home, cabin, and ADU kits in South Dakota. Using their TruFit™ System and SIPs panels, they deliver strong, energy-efficient, sustainable structures with faster assembly and potential cost savings.
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Highland Ridge Remodeling
414 South Beavercreek Road, Oregon City, OR 97045
15.5 miles
Highland Ridge Remodeling helps Portland homeowners build accessory dwelling units (ADUs), including detached ADUs, garage conversions, and in-law suites. From design to permitting and construction, they deliver tailored, high-quality living spaces.
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Everlife Home
PO Box 417, Newberg, OR 97132
21.6 miles
Everlife Home offers ADU packages with 1-2 bedroom floor plans, full kitchens, and standard finishes. As a full-service ADU contractor, they manage the entire build, with optional upgrades, decks, and storage add-ons available.
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Boss PDX
252 A Avenue, Lake Oswego, OR 97034
8.2 miles
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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Westside ADU Builders
1960 Northeast 25th Avenue, Beaverton, OR 97124
14.8 miles
Westside ADU Builders is a licensed ADU contractor in Beaverton, OR, offering detached ADUs, attached ADUs, garage conversions, JADUs, and home additions. They manage design, permits, and construction from start to finish.
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Aforma Design Studio
3617 NE 16th Ave, Portland, OR 97212
0.8 miles
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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Lamont Bros. Design & Construction
18675 Willamette Drive, West Linn, OR 97068
10.1 miles
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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JRW Construction LLC
24121 South Peach Road, Canby, OR 97013
19.6 miles
JRW Construction LLC offers full-service ADU construction, managing permits, inspections, and trade scheduling. They build detached ADUs, in-law suites, granny flats, garage conversions, and JADUs with quality finishes and energy-efficient systems.
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Soft Studios
1804 Northeast Martin Luther King Junior Boulevard, Portland, OR 97212
0.6 miles
SQFT Studios, founded in 2015, is Portland's leading ADU design-build firm. Specializing in detached ADUs, garage conversions & backyard cottages, they deliver Earth Advantage Platinum-certified, sustainable builds tailored to every homeowner.
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EcoCraft LLC
4408 NE 38th Ave, Portland, OR 97211
1.7 miles
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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Backyard Blueprint
Gresham, OR 97204
10.9 miles
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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Propel Studio
422 Northeast 79th Avenue, Portland, OR 97213
3.4 miles
Signature ADU
La Center, WA 98629
22 miles
Signature ADU is an experienced ADU builder offering full-service design and construction. Their team includes experts in architecture, general contracting, and project management, handling detached ADUs, garage conversions, granny flats, and in-law suites from start to finish.
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Other cities in Oregon
What you need to know
Searching for top Detached ADU ADU Contractors in Portland, 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 Portland 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.
Portland 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 Portland, Oregon, and get started today.