ADU Contractors

Northwood Tiny Homes is a Michigan ADU builder serving Northern Michigan and Grand Rapids. They offer full-service construction of detached ADUs, tiny homes, granny flats, and garage units, managing design, permitting, and building in-house.

Bramlett Construction in Freeport, FL specializes in tiny homes, ADUs, and home additions. They offer custom, cost-effective living solutions, including attached/detached ADUs, minimalist tiny homes, and seamless home additions tailored to each cl... read more

Cornerstone Builders LLC is a Sequim-based ADU builder serving Washington's North Olympic Peninsula for 40+ years. This certified design-build firm manages all phases—design, permitting, and construction—offering transparent, process-driven AD... read more

California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.

Full-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. R... read more

NW Finishing is a Seattle-area ADU contractor offering full-service accessory dwelling unit design and construction. Serving Bellevue, Kirkland, Redmond, Renton, and more, they handle permits, planning, and builds for detached, cottage, and prefab... read more

Tacoma DADU Builders is a premier detached ADU builder serving Tacoma and Puget Sound. With 40+ years of experience, they offer turnkey ADU construction—design, permitting, and build—for investors, homeowners, and first-time buyers.

AVL Contractor builds ADUs in Asheville, NC — detached units, garage conversions, basement & attached suites. Full-service from zoning & permits to construction & inspections, including historic district COA compliance.

Emerald ADU Builders Seattle specializes in ADU design, permitting, and construction. They build detached ADUs, attached ADUs, and garage conversions, serving Seattle homeowners with quality craftsmanship and transparent pricing.

Trusst Construction builds ADUs, garage conversions, granny flats & in-law suites with full design-build expertise. Their process prioritizes site assessment, utility coordination & disciplined scheduling to reduce costly surprises and del... read more

An accessory dwelling unit (ADU) is a fully functional living space on the same property as a primary residence. Anchor Builders helps homeowners plan and build ADUs, navigating zoning, HOA rules, and local codes.

West Coast Homes, a Lynden, WA tiny home builder, specializes in accessory dwelling units (ADUs) like backyard cottages and in-law suites. They offer IRC-compliant plans, custom designs, and permitting guidance for Pacific Northwest homeowners see... read more

Lincoln James Construction (License #B-860952) builds custom ADUs in Ventura & Los Angeles Counties since 2005. Services include detached units, garage conversions, basement ADUs, in-law suites & rental-ready builds across Southern Califor... read more

Boyd Remodeling & Construction builds custom ADUs including in-law suites, detached units, garage conversions, and backyard cottages. Their ADU construction services help homeowners add rental income, family space, or home offices.

Jenson Contracting builds ADUs in Beaverton, Oregon, including detached ADUs, garage conversions & in-law suites. They navigate local size, height, setback & lot coverage rules to ensure compliant, self-contained accessory dwelling units.<... read more