ADU Contractors near Tualatin, OR
Arciform
2303 North Randolph Avenue, Portland, CO 97227
12.2 miles
Arciform is a Portland-based ADU design/build firm specializing in accessory dwelling units, including garage conversions, detached ADUs & in-law suites. They handle permits, historic properties & full construction.
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Integrity Timber Frame (ITF)
2455 Northwest Campus Drive, Estacada, OR 97023
21.3 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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Keyser Construction Inc
452 SW Alderwood Dr, West Linn, OR 97068
5 miles
Keyser Construction Inc is a Portland, OR ADU contractor since 1996. They build detached cottages, garage conversions, basement & attic ADUs. Licensed, bonded & insured, offering free estimates and permit handling across the Portland metro area.
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Shelter Solutions
502 7th Street, Oregon City, OR 97045
8.3 miles
Shelter Solutions, Portland's trusted ADU builder since 1997, has completed 250+ accessory dwelling units. Offering full design-build services—from permits to occupancy—they specialize in custom detached ADUs, backyard cottages, and in-law suites across the Portland Metro area.
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Cronen Building Co.
4909 SE Cooper St, Portland, OR 97206
10.3 miles
Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.
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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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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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Conrad Construction LLC
5325 Northeast 109th Avenue, Portland, OR 97220
16.7 miles
Conrad Construction is Portland's trusted ADU builder with 20+ years of experience. Specializing in backyard cottages, garage conversions, granny flats & detached ADUs, they handle permits, design & construction to boost property value.
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Triangle Bar Group
3946 N Montana Ave, Portland, OR 97227
12.9 miles
Triangle Bar Group understands that embarking on an ADU project can feel overwhelming, especially with so many options, decisions, and different Portland ADU builders to choose from. That’s where they come in.
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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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Chumbley Construction
15408 NW Energia St, Portland, OR 97229
13 miles
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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Emmert International
11811 Southeast Highway 212, Clackamas, OR 97015
11.6 miles
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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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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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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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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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.