ADU Contractors near Tualatin, OR
JRW Construction LLC
24121 South Peach Road, Canby, OR 97013
8.8 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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The Powell Group
118 Northwest King Avenue, Portland, OR 97210
10.9 miles
The Powell Group is a Portland-area custom home and ADU builder led by Mitch Powell, with 20+ years of experience. They've completed 500+ homes and 30+ ADU projects, offering expert construction from planning to completion.
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Clarkbuilt
2120 NE Oregon Street, Portland, OR 97232
9.4 miles
Clarkbuilt is a Portland, Oregon residential contractor specializing in custom homes, remodels, additions, and ADU construction. Founded in 2006, they offer expert accessory dwelling unit building, custom cabinetry, and serve clients across Oregon and Washington.
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Everlife Home
PO Box 417, Newberg, OR 97132
9.6 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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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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RTA Stone
11115 Northeast 61st Court, Vancouver, WA 98686
23.8 miles
RTA Stone is a licensed remodeling contractor in Vancouver, WA, serving Washington & Oregon. Services include kitchen remodels, bathroom renovations, ADUs, additions & exteriors. Fixed-price quotes, 10-year warranty & dedicated project managers.
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Jenson Contracting
19120 S Fernwood Rd, Molalla, OR 97038
19.1 miles
Jenson Contracting builds ADUs in Beaverton, Oregon, including detached ADUs, garage conversions & in-law suites. They navigate local size, height, setback & lot coverage rules to ensure compliant, self-contained accessory dwelling units.
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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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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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The Remodel Group
9570 Southwest Tigard Street, Tigard, OR 97223
3.8 miles
The Remodel Group is a Portland-based design-build firm specializing in ADU construction and whole house remodeling. Services include detached ADUs, garage conversions, and JADUs. Earth Advantage certified, they offer sustainable, budget-conscious builds.
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Roost Homes LLC
4569 NE 80th Avenue, Portland, OR
15.5 miles
Roost Homes LLC is a Portland-based contractor specializing in ADU design and build, home additions, and remodels. They offer energy-efficient detached ADUs, garage conversions, and full renovations tailored to client needs across the Portland metro area.
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Harka Architecture
7631 Northeast Glisan Street, Portland, OR 97213
13.9 miles
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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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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Das Chapin Design
Portland, OR
11 miles
Das Chapin Design specializes in ADU design, garage & basement conversions, and general contracting. Offering permit support, construction consultation, and full build services via ADU Design & Build, LLC, they create efficient, livable spaces in Portland, Oregon.
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Environs
3240 SW Sherwood Pl, Portland, OR 97201
9.2 miles
Environs is a woman-owned design-build firm in Portland, Oregon, specializing in ADUs, home additions, remodels, and new construction. Licensed Oregon contractor (CCB 188377) with availability for projects breaking ground summer 2026.
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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.