ADU Contractors near Oregon City, OR
Home Services Plus (HSP)
12009 Northeast Marx Street, Portland, OR 97220
14.3 miles
Accessory Dwelling Units are a great way for Mississippi Avenue homeowners to make the most of their property. Whether you need extra space for family, a home office, or a way to generate rental income, our team at Home Services Plus handles everything—from permits to finishing touches.
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Backyard Blueprint
Gresham, OR 97204
13.3 miles
Backyard Blueprint is a Portland, OR family-owned ADU contractor with 20+ years of experience. Services include detached ADUs, garage conversions, and remodels. They offer 15+ floor plans and custom designs, managing permits to completion in 4–6 months.
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Sert Construction
1528 Southeast Holgate Boulevard, Portland, OR 97202
10.6 miles
As a premier ADU contractor in Portland, Sert Construction specializes in designing and building high-quality, functional ADUs. Whether you're considering an added space for rental income, additional family space, or a home office, their team of experienced ADU builders ensures a seamless integration of these units into your existing property.
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The Powell Group
118 Northwest King Avenue, Portland, OR 97210
13.5 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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Emmert International
11811 Southeast Highway 212, Clackamas, OR 97015
5.8 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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Reborn Construction LLC
29030 Southwest Town Center Loop East, Medford, OR 97070
8.6 miles
Reborn Construction LLC offers garage conversion and ADU services in Portland, OR. They handle permits, structural upgrades, and finish work for guest suites, rental units, and home offices across Portland, West Linn, Beaverton, and Gresham.
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Conrad Construction LLC
5325 Northeast 109th Avenue, Portland, OR 97220
15.3 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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Wolf Industries
607 Southeast Eaton Boulevard, Battle Ground, WA 98604
29.5 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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RP Construction Custom Homes
6138 Inwood Ln S, Salem, OR 97306
31.1 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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SLS Custom Homes and Remodeling
15575 Southwest 74th Avenue, Tigard, OR 97224
11.2 miles
SLS Custom Homes and Remodeling is a licensed general contractor in Tigard, Oregon, serving Portland metro since 1983. Services include custom home building, kitchen and bathroom remodeling, room additions, and ADU construction.
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Arciform
2303 North Randolph Avenue, Portland, CO 97227
14.3 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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Peton Construction LLC
6635 North Baltimore Avenue, Portland, OR 97203
19 miles
Peton Construction LLC, founded by Austin Peton in 2015, serves the Portland metro area with residential construction services including ADU builds, home additions, bathroom remodels, renovations, decks, and patio covers.
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VDC Builders Inc
14308 NE Powers St, Vancouver, WA 98682
21.4 miles
VDC Builders Inc specializes in ADU design & construction, including backyard cottages, in-law suites & rental units. Services cover flooring, kitchen & bathroom remodels, custom home building & cabinet refinishing.
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Highland Ridge Remodeling
414 South Beavercreek Road, Oregon City, OR 97045
2 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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Build Forward
222 SE Alder St, Portland, OR 97214
12.3 miles
Build Forward is an ADU contractor helping homeowners add accessory dwelling units to boost property value, generate rental income, and create flexible living spaces like granny flats, in-law suites, or detached ADUs.
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Other cities in Oregon
What you need to know
ADU Contractors in Oregon City: Building in the Historic Heart of Clackamas County
Oregon City holds a unique distinction as the first incorporated city west of the Rocky Mountains, and its rich historical character shapes how development — including Accessory Dwelling Units (ADUs) — is approached. Nestled along the Willamette River and home to the famous Municipal Elevator, Oregon City blends historic preservation requirements with modern housing needs. If you're looking for experienced ADU contractors in Oregon City, Oregon, understanding the local landscape is essential before breaking ground.
Oregon City ADU Regulations and Zoning Requirements
Oregon City falls under Clackamas County jurisdiction for some areas, but the city itself has its own planning and zoning codes. ADU development in Oregon City must comply with the Oregon City Development Code, which outlines specific rules for both attached and detached ADUs. Key regulations include:
- ADUs are generally permitted in single-family residential zones (R-1, R-2, R-3)
- Detached ADUs typically cannot exceed 800 square feet or 75% of the primary dwelling's floor area
- Setback requirements must be met, usually a minimum of 5 feet from side and rear property lines
- Owner-occupancy requirements may apply depending on the specific zone
- Properties in historic overlay districts may face additional design review requirements
Why Hire a Local ADU Contractor in Oregon City?
Working with a licensed ADU contractor familiar with Oregon City's permitting process can save you significant time and money. The city's planning department requires building permits, and in some cases, design review approval before construction begins. A knowledgeable local contractor will understand how to navigate these steps efficiently, including coordinating with the Oregon City Public Works Department for utility connections and site development requirements.
Types of ADUs Commonly Built in Oregon City
Oregon City's varied topography — including hillside lots with dramatic elevation changes — influences the type of ADU that works best for a given property. Skilled ADU builders in Oregon City commonly construct:
- Detached ADUs – Standalone backyard cottages ideal for larger lots
- Attached ADUs – Additions connected to the primary home, popular on smaller urban lots
- Garage Conversion ADUs – Converting existing garages into livable space
- Basement ADUs – Utilizing existing below-grade space, common in older Oregon City homes
Investing in an ADU in Oregon City
With Oregon's statewide push to address housing shortages, ADUs in Oregon City represent a smart investment. They can generate rental income, provide multigenerational living options, or increase overall property value. Oregon state law (HB 2001) has also expanded ADU allowances statewide, giving homeowners more flexibility than ever. Partnering with a reputable, licensed and insured ADU contractor in Oregon City, OR ensures your project meets all local codes while maximizing your investment.