Detached ADU near West Linn, OR

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.

Jack Barnes Architect, PC is a licensed architectural firm in Portland, OR, specializing in residential design including ADUs, garage conversions, JADUs, and backyard cottages. Located on SE Belmont Street, they help clients navigate permitting and design.

Rybak & Company LLC builds ADUs in Vancouver, Camas, Washougal & Portland Metro. Services include detached ADUs, garage conversions & in-law suites. Projects start at $175K–$250K+. Free estimates available.

JAM Concept Remodeling is a Portland ADU contractor with 25+ years of experience in basement conversions, garage conversions, home additions, and residential remodeling, helping homeowners add functional living space and long-term property value.

Alta Casa Remodeling is a Vancouver, WA ADU builder specializing in accessory dwelling units, garage conversions, in-law suites, and home additions. They also offer kitchen, bathroom, and full home remodels, backed by a one-year workmanship warranty.

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.

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.

Stellar Construction & Remodeling builds ADUs in Damascus, OR, managing permits, design, and construction for rental units, guest houses, or in-law suites. They handle detached and attached configurations, ensuring full code compliance and certificate of occupancy.

Everlife Home offers ADU packages with 1-2 bedroom floor plans, full kitchens, and standard finishes. As a full-service ADU contractor, they manage the entire build, with optional upgrades, decks, and storage add-ons available.

Clarkbuilt is a Portland, Oregon residential contractor specializing in custom homes, remodels, additions, and ADU construction. Founded in 2006, they offer expert accessory dwelling unit building, custom cabinetry, and serve clients across Oregon and Washington.

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.

Triangle Bar Group understands that embarking on an ADU project can feel overwhelming, especially with so many options, decisions, and different Portland ADU builders to choose from. That’s where they come in.

The Remodel Group is a Portland-based design-build firm specializing in ADU construction and whole house remodeling. Services include detached ADUs, garage conversions, and JADUs. Earth Advantage certified, they offer sustainable, budget-conscious builds.

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.

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.