Cronen Building Co.

4909 SE Cooper St, Portland, OR 97206 9 miles

Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.

Tweto Architecture

Portland, OR 97212 10.8 miles

Tweto Architecture specializes in ADU design, including detached ADUs, garage conversions & basement units. Serving Portland, Vancouver & Bend, they help homeowners add rental units, in-law suites & backyard cottages while navigating local zoning rules.

Neil Kelly Portland

804 North Alberta Street, Portland, OR 97217 10.7 miles

Eco-Friendly

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.

Keyser Construction Inc

452 SW Alderwood Dr, West Linn, OR 97068 7.2 miles

Licensed 29 years in business Eco-Friendly

Keyser Construction Inc is a Portland, OR ADU contractor since 1996. They build detached cottages, garage conversions, basement & attic ADUs. Licensed, bonded & insured, offering free estimates and permit handling across the Portland metro area.

Westside ADU Builders

1960 Northeast 25th Avenue, Beaverton, OR 97124 11.5 miles

Licensed

Westside ADU Builders is a licensed ADU contractor in Beaverton, OR, offering detached ADUs, attached ADUs, garage conversions, JADUs, and home additions. They manage design, permits, and construction from start to finish.

Chumbley Construction

15408 NW Energia St, Portland, OR 97229 9.8 miles

Chumbley Construction is a full-service ADU contractor offering turn-key solutions including garage conversions, in-law suites, detached ADUs, and Airbnb-ready units. They handle permits, design, and construction. Free estimates available.

Amplified Renovations

720 Southeast 160th Avenue, Portland, OR 98684 16.6 miles

Eco-Friendly

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.

Hammer & Hand

1011 Southeast Lincoln Street, Portland, OR 97214 8.6 miles

In-House Architect

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.

SLS Custom Homes and Remodeling

15575 Southwest 74th Avenue, Tigard, OR 97224 1.5 miles

Licensed 40 years in business Luxury Builds

SLS Custom Homes and Remodeling is a licensed general contractor in Tigard, Oregon, serving Portland metro since 1983. Services include custom home building, kitchen and bathroom remodeling, room additions, and ADU construction.

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What you need to know

Searching for top Garage Conversion ADU Contractors in Tigard, Oregon? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Garage Conversion ADU Contractor in Tigard 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 Garage Conversion professionals can guide you through every step.

Tigard homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Garage Conversion ADU Contractors in Tigard, Oregon, and get started today.

Garage Conversion near Tigard, OR