Attached ADU in Oregon
Jordan & Jordan Construction
300 Ash Street, Springfield, OR 97477
Jordan & Jordan Construction builds custom home additions in Eugene & Springfield, OR since 1991. Services include bedrooms, garages, sunrooms, second stories & ADUs. Licensed, bonded & insured (CCB#176193).
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Central Oregon ADU
Bend, OR 97703
WillisBuilt LLC (CCB#203478) is a licensed ADU builder specializing in accessory dwelling units. Led by Austin, they oversee every project from consultation to completion, ensuring quality construction and compliance with local building codes.
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Sierra James Construction
747 Southeast Business Way, Bend, OR 97702
Sierra James Construction is Central Oregon's top ADU builder since 2017, offering custom & pre-approved ADU designs, garage conversions, attached units & green builds. Earth Advantage-certified specialists ensure quality, code-compliant construction.
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Harka Architecture
7631 Northeast Glisan Street, Portland, OR 97213
Harka offers ADU design, consulting, and permitting services with 18+ years of experience. Services include feasibility reports from $785, zoning review, schematic design, construction documents, and energy modeling to reduce costs and carbon footprint.
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Chumbley Construction
15408 NW Energia St, Portland, OR 97229
Chumbley Construction is a full-service ADU contractor offering turn-key solutions including garage conversions, in-law suites, detached ADUs, and Airbnb-ready units. They handle permits, design, and construction. Free estimates available.
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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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Suite Additions Portland
11825 Southwest Greenburg Road, Tigard, OR 97223
Suite Additions Portland specializes in ADU construction, garage conversions, home additions, and accessibility remodeling in the Portland metro area. Led by Tim Jorgens (CCB #201364), they offer full-service design, permitting, and build solutions.
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Nikao Construction
2526 Goff Place, Hillsboro, OR 97116
Other cities in Oregon
What you need to know
Searching for top Attached 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 Attached 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 Attached 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 Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Oregon, and get started today.