
Green Living Builders, LLC
Green Living Builders, LLC. Construction company. 833 Bancroft Way, Berkeley, CA 94710, United States
Looking for the best in-law suite builders in Berkeley, California? Our directory features 20 vetted in-law suite builders serving the Berkeley area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

Green Living Builders, LLC. Construction company. 833 Bancroft Way, Berkeley, CA 94710, United States

McCutcheon Construction Inc. Construction company. 806 Hearst Ave, Berkeley, CA 94710, United States

Type Five. General contractor. 1336 Channing Way Suite E, Berkeley, CA 94702, United States

DiNardo Design & Construction. Construction company. 733 Allston Way, Berkeley, CA 94710, United States

BuildMark, Inc.. General contractor. 1569 Solano Ave #121, Berkeley, CA 94707, United States

Peter Downey Construction Co Inc. Construction company. 1224 Carleton St, Berkeley, CA 94702

Vought Construction. General contractor. 734 Gilman St, Berkeley, CA 94710, United States

Brandywine Builders. Custom home builder

Edri Construction Berkeley. Construction company. 2120 University Ave, Berkeley, CA 94704, United States

Feraru & Associates Building and Design Inc. General contractor. 1569 Solano Ave #249, Berkeley, CA 94707

A+ Construction & Developing. Construction company. 1569 Solano Ave #143, Berkeley, CA 94707

Specializing in ADU construction and related services in Berkeley, CA.

Specializing in ADU construction and related services in Berkeley, CA.

New Avenue, Inc. Home builder. 2120 University Ave, Berkeley, CA 94704, United States

Specializing in ADU construction and related services in Berkeley, CA.

Eco Home Remodeling. General contractor. 2930 Domingo Ave Suite 528, Berkeley, CA 94705, United States

Specializing in ADU construction and related services in Berkeley, CA.

Alward Construction. Construction company. 1035 Carleton St, Berkeley, CA 94710


Residential Custom Build | BERKELEY CONSTRUCTION GROUP INC. Contractor. 756 Gilman St, Berkeley, CA 94710, United States
Berkeley is one of the top markets for accessory dwelling units in California. With growing demand for affordable housing, ADU construction in Berkeley offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of in-law suite builders in Berkeley helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Berkeley typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed in-law suite builders to compare prices.
Yes, ADU construction in Berkeley requires building permits. California has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Berkeley typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.