ADU Professionals in Oregon

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.

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.

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.

Derek Sherrell, "That ADU Guy," is a Southern Oregon ADU developer with 28 years of experience in design, permitting, and construction. He offers custom permit-ready ADU plans, consulting, and free first-time buyer guidance.

Sierra James Construction is Central Oregon's top ADU builder since 2017, offering custom & pre-approved ADU designs, garage conversions, attached units & green builds. Earth Advantage-certified specialists ensure quality, code-compliant construction.

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.

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.

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.

Verity Construction LLC is a licensed ADU builder serving Medford and Southern Oregon. They offer custom homes, additions, remodels, and ADUs, with projects starting in as little as 4 weeks thanks to local permitting expertise.

Top Form Contracting offers expert ADU construction in Corvallis, Oregon. Services include design, new builds, and garage conversions. Licensed, permit-savvy, and competitively priced for quality accessory dwelling units.

Portland ADU Design & Build is a licensed ADU contractor serving Portland & the Willamette Valley. Specializing in detached ADUs, garage conversions & basement ADUs, they manage design, permitting & construction for lasting property value.

Neil Kelly designs & builds ADUs in the Northwest, including detached cottages, garage conversions, basement/attic conversions & attached units. Expert team handles permits, local regulations & custom design for rental income, guests or family housing.

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 rules apply.

Reborn Construction LLC specializes in garage conversions in Portland, transforming underused spaces into ADUs, rental units, and in-law suites. Fully compliant with local zoning codes, they handle permitting, structural upgrades, and all finish work.

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.