ADU Contractors near Oregon City, OR
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 space... read more
COOPER Design Build
4560 Southwest 96th Avenue, Beaverton, OR 97005
13.4 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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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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Aforma Design Studio
3617 NE 16th Ave, Portland, OR 97212
14.6 miles
Aforma Design Studio offers white-label architectural design, rendering, and preconstruction services for builders, developers, and homeowners across the US, including ADUs, renovations, and new construction, delivered under your brand.
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Tiny Mountain Houses
827 Railway Street, Silverton, OR 97381
25.3 miles
Tiny Mountain Houses, based in Silverton, Oregon, builds custom tiny house RVs certified to ANSI/NFPA 1192/1195 codes. Offering diverse floor plans and sizes, the BBB-accredited company serves full-time living, travel, or backyard cottage needs ac... read more
JDI Construction
1409 Broadway Street, Vancouver, WA 98663
20.9 miles
JDI Construction is a Portland-based ADU contractor offering full design-build services for detached, attached, garage conversion, basement, above-garage, and interior ADUs, including permits and eco-friendly practices.
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Home Remodel Portland
8505-8835 SW Tualatin-Sherwood Road, Tualatin, OR 97062
9 miles
Home Remodel Portland builds code-compliant ADUs including garage conversions, backyard cottages, and basement units. They handle permits, zoning, and inspections with local expertise, offering a clear process and three-year warranty.
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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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Shelter Solutions ADU Builders
502 7th Street, Oregon City, OR 97045
1.2 miles
Shelter Solutions is Portland's trusted ADU contractor since 1997, with 250+ completed projects. Specializing in detached ADUs, backyard cottages & in-law suites, they offer full design-build services, permit handling & expert guidance thr... read more
My ADU
10110 Northeast 13th Avenue, Vancouver, WA 98686
24.6 miles
MyADU is a licensed ADU contractor in Vancouver, WA, specializing in custom accessory dwelling units across the Pacific Northwest. Founded in 2019, they offer design, permitting, and turnkey builds, completing most projects in 6–9 months.
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Nikao Construction
2526 Goff Place, Hillsboro, OR 97116
28.8 miles
Dweller Inc
Portland, OR 97204
13.4 miles
ADUs (Accessory Dwelling Units) are secondary housing units on residential properties. Popular in Oregon and California, they boost property value, generate rental income, and support multigenerational living. Financing options and local zoning ru... read more
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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Signature ADU
La Center, WA 98629
35.7 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-l... read more
Harka Architecture
7631 Northeast Glisan Street, Portland, OR 97213
12.8 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 foot... read more
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.