ADU Contractors

The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.

Diditan Group is a Los Angeles ADU contractor offering garage conversions, granny flats, JADUs & detached ADUs. They manage design, permitting & construction, helping homeowners add value & livable space.

Rom Builders is San Diego's trusted ADU contractor, offering full-service accessory dwelling unit construction. From design and permitting to build and inspection, they handle it all. California licensed, bonded, and backed by a four-year warranty.

For over three decades, Keen Construction has been rooted in family values and exceptional craftsmanship. Founded by Darren Trybalski, whose father and grandfather were both builders, this deep-rooted connection to construction shaped our commitment to quality and attention to detail from the very beginning.

Sprawl-Design offers expert ADU design in San Diego, including garage conversions, attached & detached units. Starting from $60K, they manage design to construction with local expertise & budget clarity.

Shannon Staley and Sons is a Pittsburgh contractor specializing in home additions and conversions, including garage conversions, mother-in-law suites, ADUs, sunrooms, and bump-outs, managing projects from planning to completion.

Krick Design + Build is a Colorado Front Range residential design-build firm specializing in ADUs. Founded by Licensed Architect Matthew Krick, they've completed 57+ ADUs including backyard cottages, garage conversions, and in-law suites.

A to Z Casita Builders offers custom ADU and casita construction in Phoenix Valley. Serving multi-generational families, college students & disability needs. ADA-compliant designs, 10+ years experience, compliant with Arizona HB 2720.

Ashford ADU Builders offers ADU construction & home remodeling in Boca Raton, FL. Services include detached ADUs, kitchen remodeling, bathroom renovation & garage conversions. Serving South Palm Beach & Broward County.

Bastion Structures offers modular concrete masonry homes, ADUs, and tiny houses that are fire-, mold-, and termite-resistant. Models range from 305 SF studios to 3,955 SF homes, ideal for California properties seeking durable, weatherproof living solutions.

Build Force is a Boynton Beach ADU contractor specializing in custom Accessory Dwelling Units. They manage design, permits, and construction, offering detached ADUs, in-law suites, eco-friendly builds, and full project oversight for homeowners.

Seattle Backyard Homes builds expert ADUs, DADUs, garage conversions & backyard cottages in Seattle and Bellevue. Full-service ADU contractors handling design, permits, zoning & construction with quality craftsmanship and transparent pricing.

Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projects.

S Squared Construction & Pool Contractor is a licensed Solana Beach, San Diego contractor with 13+ years of experience in ADU construction, garage conversions, and custom pool installation. They handle design, permitting, and building for detached ADUs, in-law suites, and backyard cottages.

Tarheel Tiny Homes builds custom stick-built tiny homes, ADUs, granny flats & in-law suites on-site. Clients choose finishes, layouts, windows & more. Serving Lake Norman & beyond as a trusted ADU contractor.