Detached ADU in Oregon

Jordan & Jordan Construction builds custom home additions in Eugene & Springfield, OR since 1991. Services include bedrooms, garages, sunrooms, second stories & ADUs. Licensed, bonded & insured (CCB#176193).

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.

Environs is a woman-owned design-build firm in Portland, Oregon, specializing in ADUs, home additions, remodels, and new construction. Licensed Oregon contractor (CCB 188377) with availability for projects breaking ground summer 2026.

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.

Bend Craftsmen Company is a certified ADU contractor in Bend, Oregon, offering full-service accessory dwelling unit construction, including design, permits, and build management for granny flats, in-law suites, and backyard cottages.

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.

Brothers Lane Builders, LLC specializes in ADU (Accessory Dwelling Unit) construction for homeowners in Salem, Oregon. Whether you want a backyard cottage, in-law suite, or rental unit, our experienced team guides you through every step—from planning and permitting to expert building and finishing.

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.

BLD House is a design-build ADU contractor offering fully in-house prefab accessory dwelling units. Their modular, off-site construction method ensures quality and cost efficiency. Starting at $299,000 for a 500 sq ft 1bed/1bath unit.

Paulson Construction Inc., based in Bend, Oregon, offers full-service construction including custom homes, remodels, and ADUs. Services cover design, permitting, and build phases for detached ADUs, garage conversions, and in-law suites.

With over 50 years in residential & commercial construction, house lifting, and house moving - you can rest assured that your project will be handled with insight and care. At Emmert International, we’re here to make your ADU project a success. Give us a call today!

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.

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.

Top Form Contracting offers expert ADU construction in Corvallis, Oregon. Services include design, new builds, garage conversions, and JADUs. Licensed, permit-compliant, and affordable — ideal for adding rental income or flexible living space.

Hammer & Hand builds Accessory Dwelling Units (ADUs) in Portland & Seattle. From garage conversions to detached cottages, they guide homeowners through zoning, permits, design, and costs for rental income or multigenerational living.