ADU Contractors

Molinar Design is a licensed design-build firm in Los Angeles offering ADUs, garage conversions, custom homes, remodeling, commercial architecture, permit packages, and fire & water damage restoration across Los Angeles County.

Chapman Projects offers ADU design and construction in Seattle, Bellevue, and King County. With 20+ years of experience, they provide custom accessory dwelling units, detached ADUs, and backyard cottages using sustainable building practices.

R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.

Lee & Co Contractors builds custom ADUs and home additions in Sacramento, Auburn, and Northern California. Services include detached ADUs, in-law suites, garage conversions, and home expansions, with a planning-first approach for smooth construction.

For more than 15 years, we’ve turned backyards into beautifully crafted living spaces. From permits to finishing touches, our team knows every step inside and out. Choose the classic charm of our Traditional Series, the clean lines of our Modern Series or the efficiency and flexibility of our Urban Series. Build with the crew that wrote the ADU playbook: RG ProBuilders.

Sustainable Building & Design (SB&D) is a licensed general contractor in Humboldt County, CA, specializing in ADU construction, remodeling, and new builds using sustainable materials at affordable prices.

In addition to remodeling projects, the team at HCS specializes in the new construction of Accessory Dwelling Units (ADUs) in Bakersfield as well. From the ground up, we will work with you every step of the way – bringing your blueprint to fruition.

Pathway Builders offers custom and semi-custom ADU construction in Boise and Treasure Valley. They build detached, attached, and garage conversion ADUs. Use their online instant quote tool to estimate costs before consulting.

Jean Prescott Studio offers ADU design, construction, and home remodeling services in San Clemente. Services include kitchen remodels, bathroom renovations, room additions, permit management, and custom ADU plans for rental income or flexible living.

Coastal Haven is a Tampa ADU contractor handling zoning, permits, design, and construction. They build garage conversions, backyard cottages, and detached ADUs within approved overlays, ensuring full Florida Building Code compliance.

Backyard ADU is a full-service ADU contractor managing every stage of accessory dwelling unit builds, including feasibility, permits, site surveys, foundations, construction, utility connections, and condo legal services.

ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.

Titanium Contractors builds ADUs in Tehachapi, CA, offering detached ADUs, attached ADUs, and garage conversions. Services include custom design, permit-ready plans, Kern County compliance, and full project management from start to finish.

Guiding Builders specializes in ADU construction, offering design, permitting, and building services. Projects include detached ADUs, garage conversions, in-law suites, granny flats, and casitas—custom-built to add value and living space.

GW Construction is a San Diego general contractor specializing in ADU construction, home renovations, custom homes, and commercial projects. Services include garage conversions, backyard cottages, home additions, and multi-unit builds.