LRL Builders

1661 Botelho Drive, Walnut Creek, CA 94596 34.9 miles

Licensed Eco-Friendly

West Coast ADU

4245 Hargrave Avenue, Santa Rosa, CA 95407 18.2 miles

Prefab Specialist

West Coast ADU is a California-based ADU builder offering prefab & manufactured accessory dwelling units. They help homeowners add rental income, house family members & boost property value with streamlined permitting & construction.

Edri Construction, Inc. Walnut Creek

1990 N California Blvd Ste 20, Walnut Creek, CA 94596 34.1 miles

Eco-Friendly Luxury Builds

Edri Construction, Inc. is a Walnut Creek-based ADU contractor serving the Bay Area. They specialize in garage conversions, detached ADUs, attached additions, in-law suites, and JADUs, handling design, permitting, and project management.

AK Pahulu Construction

1353 B Street, Hayward, CA 94541 47.2 miles

Licensed 9 years in business

AK Pahulu Construction, a licensed Bay Area general & concrete contractor since 2015, offers custom homes, ADUs, remodeling, framing & more. Serving Oakland, San Jose, Fremont & beyond. Projects range from $10K–$2M.

Harmony Design & Development

5880 3rd Street, San Francisco, CA 94124 35 miles

Harmony Design & Development builds custom ADUs across the San Francisco Bay Area, including detached units, garage conversions, and in-law suites. They manage permits, design, and construction from start to finish.

North Bay ADU & Additions

1475 North Street, Santa Rosa, CA 95404 17.6 miles

North Bay ADU & Additions is a trusted ADU builder serving the North Bay area, specializing in accessory dwelling units and home additions. They offer planning, construction, and permit consultation to help homeowners boost property value and rental income.

DNM Architecture

1A Gate 5 Road, Sausolito, CA 94965 29.1 miles

Eco-Friendly

DNM Architecture is a California-based firm specializing in ADU design and permitting. Their ADUxDNM program covers site analysis, design, permitting, and construction management, offering detached ADUs, garage conversions, and more.

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What you need to know

Searching for top Attached ADU ADU Contractors in Sonoma, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Attached ADU ADU Contractor in Sonoma 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 Attached ADU professionals can guide you through every step.

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

Browse our listings to find the best Attached ADU ADU Contractors in Sonoma, California, and get started today.

Attached ADU near Sonoma, CA