ADU Contractors near Tualatin, OR
Mighty ADU Company
2624 North Borthwick Avenue, Portland, OR 97227
12.4 miles
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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Triangle Bar Group
Gresham, OR 97227
18.6 miles
Triangle Bar Group is a Portland, Oregon design-build contractor specializing in custom homes, additions, remodels, and ADUs. They manage design, permitting, and construction under one roof, serving Portland and Vancouver, WA homeowners.
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Wolf Industries
607 Southeast Eaton Boulevard, Battle Ground, WA 98604
29.3 miles
Wolf Industries builds factory-constructed, code-compliant tiny homes delivered directly to your property. Ideal as a backyard cottage, granny flat, ADU, or in-law suite, their build-deliver-setup model simplifies small-space living.
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Born and Raised Construction
2020 Southeast Bush Street, Portland, OR 97202
10.3 miles
Born and Raised Construction builds ADUs in Portland, including detached units, garage conversions, backyard cottages & in-law suites. Benefits include rental income, aging in place & increased property value.
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COOPER Design Build
4560 Southwest 96th Avenue, Beaverton, OR 97005
7.6 miles
COOPER Design Build offers custom ADU construction in Portland, OR. With 30+ years of experience, they handle design, permitting, zoning, and full construction management for detached accessory dwelling units up to 800 sq ft.
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Boss PDX
252 A Avenue, Lake Oswego, OR 97034
6 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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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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Reborn Construction LLC
29030 Southwest Town Center Loop East, Wilsonville, OR 97070
4.7 miles
Reborn Construction LLC specializes in garage conversions in Portland, transforming underused spaces into ADUs, rental units, and in-law suites. Fully compliant with local zoning codes, they handle permitting, structural upgrades, and all finish work.
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Straight Line Design and Remodeling LLC
9645 Southwest Beaverton Hillsdale Highway, Beaverton, OR 97005
7.6 miles
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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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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Jason Allen Contracting, LLC
4804 Northeast 52nd Avenue, Portland, OR 97218
14.8 miles
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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Soft Studios
1804 Northeast Martin Luther King Junior Boulevard, Portland, OR 97212
12.3 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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AimHigh ADU Solutions
233 Southeast 2nd Avenue, Hillsboro, OR 97123
13.9 miles
Aim High ADU Solutions is a trusted ADU contractor in Hillsboro, OR, specializing in accessory dwelling unit construction. They offer expert planning, quality craftsmanship, and client-focused service to help homeowners expand their living space efficiently.
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Lamont Bros. Design & Construction
18675 Willamette Drive, West Linn, OR 97068
6.3 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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Propel Studio
422 Northeast 79th Avenue, Portland, OR 97213
13.9 miles
Other cities in Oregon
What you need to know
ADU Contractors in Tualatin, Oregon: Building in a Growing Suburban Hub
Tualatin, Oregon, is one of the fastest-growing cities in the Portland metropolitan area, situated in both Washington and Clackamas counties. As housing demand continues to rise in this thriving suburb, Accessory Dwelling Units (ADUs) have become an increasingly popular solution for homeowners looking to add rental income, house family members, or increase property value. Finding experienced ADU contractors in Tualatin, OR is essential to navigating the city's specific permitting requirements and building codes efficiently.
Tualatin ADU Regulations and Permitting Requirements
Before breaking ground, homeowners must understand that ADU construction in Tualatin is governed by the City of Tualatin's Community Development Department. Tualatin follows Oregon's statewide ADU legislation, which has significantly loosened restrictions in recent years, allowing ADUs on most residential lots. Key regulations to be aware of include:
- Setback requirements: ADUs must typically maintain rear and side yard setbacks as outlined in Tualatin's zoning code.
- Maximum size limits: Detached ADUs are generally limited in square footage relative to the primary dwelling.
- Owner-occupancy rules: Oregon state law has removed mandatory owner-occupancy requirements, giving Tualatin homeowners more flexibility.
- Utility connections: Separate utility connections may be required, adding to overall project costs.
- Design standards: ADUs must be compatible with the existing neighborhood character and meet Tualatin's design guidelines.
Types of ADUs Built by Tualatin Contractors
Professional ADU builders in Tualatin are experienced in constructing several types of accessory dwelling units suited to the city's residential landscape. The most common types include:
- Detached ADUs: Standalone structures built in the backyard, popular in Tualatin's larger residential lots.
- Attached ADUs: Units connected to the primary home, sharing at least one wall.
- Garage Conversions: Converting existing garages into livable ADU spaces, a cost-effective option for many Tualatin homeowners.
- Basement Conversions: Transforming existing basement space into a fully functional dwelling unit.
Why Hire a Local ADU Contractor in Tualatin?
Working with a local ADU contractor in Tualatin, Oregon offers significant advantages. Local contractors are familiar with Tualatin's specific zoning maps, building permit processes, and inspection requirements. They have established relationships with the City of Tualatin's building department, which can help streamline approvals and avoid costly delays. Additionally, experienced local contractors understand the soil conditions, climate considerations, and neighborhood aesthetics unique to the Tualatin area.
Start Your Tualatin ADU Project Today
Whether you're looking to create a rental unit, multigenerational living space, or home office, hiring a qualified ADU contractor in Tualatin, OR is the first step toward a successful project. Request multiple quotes, verify contractor licenses through the Oregon Construction Contractors Board (CCB), and ensure your chosen contractor has proven ADU experience in the Tualatin area.