Detached ADU in Oregon

DeMarco Builders is a licensed general contractor since 1996, offering residential and commercial construction, custom homes, ADUs, remodels, and additions. Using critical path management, they deliver projects faster while maintaining quality.

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.

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.

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.

Bryan Parsons Construction builds custom ADUs in Eugene, Oregon, including backyard cottages, garage conversions, and detached units. Services include ADA accessible options, full project management, and quality craftsmanship tailored to each property.

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.

Aim High ADU Solutions is a trusted ADU contractor in Hillsboro, OR, specializing in accessory dwelling unit construction. They offer expert planning, quality craftsmanship, and client-focused service to help homeowners expand their living space efficiently.

A-ply Construction builds custom ADUs in Eugene and Springfield. Their 800 sq ft, 2-bed/1-bath design suits rental income, family housing, or Airbnb. Customizable finishes and appliances available.

Kimball Construction offers ADU design & construction in Eugene, OR. Specializing in detached units, garage conversions, interior conversions & attached additions, they handle zoning, permits & builds for homeowners across the Northwest.

Linnius Construction builds ADUs across Southern & Central Oregon, including Bend, Medford & Ashland. Specializing in detached ADUs, garage conversions & in-law suites, they help homeowners add value & flexible living space.

EcoCraft LLC designs & builds custom ADUs in Portland, OR, including detached ADUs, garage conversions & in-law suites. Serving Beaverton, Tigard & Vancouver, WA. Projects range from $150K–$350K. Full permitting support included.

Nowhaus builds ADUs up to 800 sq. ft. in Eugene, OR, using energy-efficient SIP construction. Services include granny flats, deck builds, and foundation work, all compliant with City of Eugene ADU codes and permit requirements.

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.

WillisBuilt LLC (CCB#203478) is a licensed ADU builder specializing in accessory dwelling units. Led by Austin, they oversee every project from consultation to completion, ensuring quality construction and compliance with local building codes.

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 footprint.