Westward Builders LLC
Westward Builders LLC. Remodeler. 4244 NE Alberta St, Portland, OR 97218
Looking for the best ADU builders in Portland, Oregon? Our directory features 29 vetted adu builders serving the Portland area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
Westward Builders LLC. Remodeler. 4244 NE Alberta St, Portland, OR 97218
Specializing in ADU construction and related services in Portland, OR.
Catalyst Construction & Kitchen Remodeling. Kitchen remodeler. 825 NE 20th Ave A, Portland, OR 97232, United States
D.G. Ring Renovations. Bathroom remodeler. 15695 SW 74th Ave #330, Portland, OR 97224, United States
Specializing in ADU construction and related services in Portland, OR.
Birdsmouth Design-Build. General contractor. 3525 SE 17th Ave, Portland, OR 97202, United States
Specializing in ADU construction and related services in Portland, OR.
ADU design and construction for historic properties throughout Portland means balancing complex district requirements with respect for architectural character. From garage conversions to detached units, Arciform creates Accessory Dwelling Units that are functional, compliant, and complement your property’s heritage.
COOPER Design Build & Remodeling of Portland. Remodeler. 4560 SW 96th Ave, Beaverton, OR 97005
Specializing in ADU construction and related services in Portland, OR.
Specializing in ADU construction and related services in Portland, OR.
Specializing in ADU construction and related services in Portland, OR.
Since 1997, we have built 250+ ADUs in the Portland Metro area for people who want to age in place, keep family close, earn rental income, have a: guest house, home office, entertainment space, studio, home gym...
Specializing in ADU construction and related services in Portland, OR.
MODS PDX INC. Store. 9040 N Burgard Way, Portland, OR 97203
Specializing in ADU construction and related services in Portland, OR.
J.A.M Concept Remodeling LLC. General contractor. 918 NE Killingsworth St, Portland, OR 97211
Specializing in ADU construction and related services in Portland, OR.
Changes in both Portland and Seattle building code have made Accessory Dwelling Units (ADUs) more attractive than ever. Done right, this housing type reaps major rewards for homeowners, from rental income to aging-in-place independence.
Portland is one of the top markets for accessory dwelling units in Oregon. With growing demand for affordable housing, ADU construction in Portland offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu builders in Portland helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Portland typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu builders to compare prices.
Yes, ADU construction in Portland requires building permits. Oregon has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Portland typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.