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.
read more
Neil Kelly Portland offers full ADU design and build services, including detached units, garage conversions, and basement conversions. They handle zoning, permits, and custom design for functional, energy-efficient accessory dwelling units.
read more
JRW Construction LLC offers full-service ADU construction, managing permits, inspections, and trade scheduling. They build detached ADUs, in-law suites, granny flats, garage conversions, and JADUs with quality finishes and energy-efficient systems.
read more
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.
read more
Pacific Homes Direct in Woodland, WA offers customizable ADUs starting at $49,999. Serving Western Washington and Oregon, they provide granny flats, in-law suites, and backyard cottages with full-service support and factory warranty included.
read more
Peton Construction LLC, founded by Austin Peton in 2015, serves the Portland metro area with residential construction services including ADU builds, home additions, bathroom remodels, renovations, decks, and patio covers.
read more
At Catalyst, our Portland ADU Builders are experts in building homes, small homes, Casitas and Accessory Dwelling Units. Trust Catalyst Construction and Remodel to bring experience and high performance to build out your new attached or unattached ADU. We bring true potential, function and value.
read more
Build Forward is an ADU contractor helping homeowners add accessory dwelling units to boost property value, generate rental income, and create flexible living spaces like granny flats, in-law suites, or detached ADUs.
read more
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.
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
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.
read more
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.
read more
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.
read more
JDI Construction is a Portland-based ADU contractor offering full design-build services for detached, attached, garage conversion, basement, above-garage, and interior ADUs, including permits and eco-friendly practices.
read more
JCS Construction LLC builds custom ADUs in Oregon, including detached backyard cottages, granny flats, garage conversions, basement conversions, and pole building ADUs. They handle both standard and non-traditional structures with quality craftsmanship.
read moreWest Linn, Oregon, is a picturesque city situated at the confluence of the Willamette and Tualatin Rivers, known for its hilly terrain, mature tree canopy, and established residential neighborhoods. These geographic and environmental characteristics make working with experienced ADU contractors in West Linn especially important. The sloped lots, protected riparian corridors, and tree preservation requirements add layers of complexity to accessory dwelling unit projects that only knowledgeable local contractors can navigate efficiently.
Before breaking ground on an ADU in West Linn, homeowners must understand the city's specific land use and zoning codes. West Linn follows Clackamas County guidelines in some areas while maintaining its own municipal code. Key regulations that ADU contractors in West Linn, Oregon must adhere to include:
Hiring a local ADU contractor in West Linn means working with professionals who are already familiar with the City of West Linn's Community Development Department permitting process. Local contractors understand how to submit accurate plans, coordinate inspections, and address site-specific challenges such as steep driveways, limited access points, and utility connections in older neighborhoods. This local expertise can significantly reduce project timelines and avoid costly permit revisions.
Experienced West Linn ADU builders work on a variety of accessory dwelling unit types suited to the city's diverse housing stock:
Whether you're looking to add rental income, house a family member, or increase your property value, building an ADU in West Linn is a smart investment. Partner with a qualified ADU contractor in West Linn, Oregon who understands local codes, environmental constraints, and the permitting process to ensure your project is completed on time and within budget.