New Key Construction

2890 North Main Street, Walnut Creek, CA 94597 26.2 miles

GR Innovative Builders Inc.

12488 San Pablo Avenue, Richmond, CA 94805 11.9 miles

GR Innovative Builders Inc. is a Bay Area ADU contractor specializing in accessory dwelling units, granny flats, and in-law suites. Completed projects in Richmond, Oakland, Lafayette & Pinole. Featured in Sunset Magazine.

Green Bay Remodeling

1415 Oakland Boulevard, Walnut Creek, CA 94596 25.7 miles

Eco-Friendly

Green Bay Remodeling offers ADU construction in Palo Alto, CA, including detached units, garage conversions, basement units & JADUs. ADUs boost property value, generate rental income & support multigenerational living.

Loona Construction Inc.

8407 Central Avenue, Newark, CA 94560 38.3 miles

Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.

Collins Remodeling

2651 Blanding Avenue, Alameda, CA 94501 19.4 miles

Licensed

Collins Remodeling is a licensed ADU contractor in Alameda, CA, specializing in detached ADUs, garage conversions, JADUs, and granny flats. They manage permitting, design, and construction, helping homeowners add value and rental income.

Edrington and Associates

5944 Claremont Avenue, Oakland, CA 94618 16.3 miles

Licensed

Edrington and Associates helps property owners add ADUs—garage conversions, detached units, or Junior ADUs. They offer ADU Feasibility Studies in three packages and a free 15-minute consultation to explore options.

Valley Boutique Builders

153 2nd Street, Los Altos, CA 94022 43.2 miles

Licensed Eco-Friendly Luxury Builds

Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.

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What you need to know

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

Working with a qualified Detached ADU ADU Contractor in Mill Valley 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 Detached ADU professionals can guide you through every step.

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

Browse our listings to find the best Detached ADU ADU Contractors in Mill Valley, California, and get started today.

Detached ADU near Mill Valley, CA