Integrity Timber Frame offers custom prefabricated timber frame home, cabin, and ADU kits in South Dakota. Using their TruFit™ System and SIPs panels, they deliver strong, energy-efficient, sustainable structures with faster assembly and potential cost savings.
read more
Rainbow Valley Design And Construction in Eugene, OR specializes in ADUs, backyard cottages, and studios. They offer pre-designed and custom plans, plus remodels, new builds, and renovations for residential clients.
read more
ADU builder Amplified Renovations serves Portland, OR and Vancouver, WA, specializing in accessory dwelling units including backyard cottages, garage conversions, and basement ADUs. Costs range from $150K–$350K+, with rental income potential of $1,500–$2,500/month.
read more
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.
read more
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.
read moreSearching for top Prefab / Modular ADU ADU Contractors in Oregon? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Prefab / Modular ADU ADU Contractor in Oregon ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Prefab / Modular ADU professionals can guide you through every step.
Oregon homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Prefab / Modular ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Prefab / Modular ADU ADU Contractors in Oregon, and get started today.