Attached ADU near Tualatin, OR
Signature ADU
La Center, WA 98629
33.4 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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Neil Kelly Inc
804 North Alberta Street, Portland, OR 97217
13.4 miles
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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RG ProBuilders
21211 Northeast 72nd Avenue, Battle Ground, WA 98604
30.2 miles
For more than 15 years, we’ve turned backyards into beautifully crafted living spaces. From permits to finishing touches, our team knows every step inside and out. Choose the classic charm of our Traditional Series, the clean lines of our Modern Series or the efficiency and flexibility of our Urban Series. Build with the crew that wrote the ADU playbook: RG ProBuilders.
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EcoCraft LLC
4408 NE 38th Ave, Portland, OR 97211
14.3 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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Adair Homes
4400 Northeast 77th Avenue, Vancouver, WA 98662
21 miles
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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Hammer & Hand
1011 Southeast Lincoln Street, Portland, OR 97214
10.7 miles
Hammer & Hand builds Accessory Dwelling Units (ADUs) in Portland & Seattle. From garage conversions to detached cottages, they guide homeowners through zoning, permits, design, and costs for rental income or multigenerational living.
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Portland ADU / Jason Allen Contracting, LLC
4804 Northeast 52nd Avenue, Portland, OR 97218
14.8 miles
Portland ADU is a local contractor specializing in ADU building, basement, kitchen, and bathroom remodeling. They help Portland homeowners maximize space, increase property value, and navigate Portland Building Code with expert guidance.
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Brothers Lane Builders
Salem, OR
32.8 miles
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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Highland Ridge Remodeling
414 South Beavercreek Road, Oregon City, OR 97045
11 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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Cornerstone Builders Inc
7721 Southwest Cirrus Drive, Beaverton, OR 97008
5.8 miles
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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JCS Construction LLC
Colton, OR 97017
21.7 miles
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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Rain Creek Construction
8826 NE 339th St, La Center, WA 98629
35.2 miles
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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RP Construction Custom Homes
6138 Inwood Ln S, Salem, OR 97306
28.8 miles
RP Construction is a family-owned custom home builder in Salem, Oregon, with 20+ years of experience and 110+ satisfied clients. They offer transparent pricing, clear communication, and quality craftsmanship from design to move-in.
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Suite Additions Portland
11825 Southwest Greenburg Road, Tigard, OR 97223
4 miles
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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Rybak & Company LLC
19215 Southeast 34th Street, Camas, WA 98607
20.9 miles
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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Other cities in Oregon
What you need to know
Searching for top Attached ADU ADU Contractors in Tualatin, 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 Tualatin 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.
Tualatin 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 Tualatin, Oregon, and get started today.