Detached ADU in Oregon

CP Contracting Inc is a Eugene-based ADU contractor offering full-service accessory dwelling unit construction. Services include site evaluation, design, permitting, construction, and interior finishing for detached ADUs, garage conversions, and in-law suites.

Laursen Builders specializes in ADU construction in Oregon, offering detached backyard cottages, garage conversions, basement conversions, and bump-out additions. As experienced ADU contractors, they help homeowners navigate Oregon's evolving ADU regulations.

Pioneer ADU is a Salem, Oregon-based family-owned ADU contractor with 25+ years of experience and 110+ completed projects. They build detached, attached, and conversion ADUs, managing design, permitting, and construction with transparent pricing.

Level and Plumb Construction is Eugene's premier renovation team, transforming spaces into personalized oases with tailored designs, quality craftsmanship, and a thoughtful, client-focused approach.

TaylorSmith Sustainable Construction is a Portland, Oregon contractor specializing in sustainable new homes, renovations, energy retrofits, and ADU construction. All new builds target DOE Net Zero Energy Ready certification.

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.

They coordinate with designers and architects, expertly handle all necessary City of Eugene and Lane County permitting requirements, and meticulously maintain a safe and tidy jobsite throughout the entire construction process.

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.

Carter Family General Contractor Inc builds ADUs, custom homes & remodels in Springfield, Oregon. Specializing in detached ADUs, in-law suites & granny flats with ~12-week builds, luxury finishes & full permitting support across Eugene & Springfield.

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.

Suite Additions Portland specializes in ADU construction, garage conversions, home additions, and accessibility remodeling in the Portland metro area. Led by Tim Jorgens (CCB #201364), they offer full-service design, permitting, and build solutions.

Westside ADU Builders is a licensed ADU contractor in Beaverton, OR, offering detached ADUs, attached ADUs, garage conversions, JADUs, and home additions. They manage design, permits, and construction from start to finish.

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.

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.

Red Umbrella Home and Garage Contractors, a Google Guaranteed Partner in Eugene, Oregon, specializes in ADU design and construction. Services include site assessment, custom floor plans, permitting, and build completion with ongoing homeowner support.