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Attached ADU near San Mateo, CA
Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618 20.6 milesADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval t... read more
Karl Kardel Company
4926 East 12th Street, Oakland, CA 94601 15.9 milesKarl Kardel Company offers home remodeling, additions, and ADU construction in Oakland, Pasadena, and the Bay Area. Services include detached ADUs, garage conversions, granny flats, kitchen and bathroom renovations for residential properties.
read moreBarcci Builders
16185 Los Gatos Boulevard, Los Gatos, CA 95032 29.1 milesBarcci Builders specializes in ADU construction across the Bay Area, offering design, permitting, and build services. With 40+ completed units, they handle JADUs, garage conversions, attached, and detached ADUs, with costs ranging from $60K to $40... read more
AK Pahulu Construction
1353 B Street, Hayward, CA 94541 15.8 milesAK 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.
read moreLRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596 27.3 milesLRL Builders, Inc. is a licensed ADU contractor in Walnut Creek, CA, specializing in detached, attached, garage conversion, and junior ADUs. They handle design, permitting, and construction, serving Walnut Creek and surrounding Bay Area communitie... read more
Remodeling Heroes
2150 Shattuck Avenue, Berkeley, CA 94704 22.1 milesRemodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
read moreDecor Builders
800 Charcot Avenue, San Jose, CA 95131 25 milesDecor Builders is a San Jose-based ADU contractor with 15+ years of Bay Area experience. They offer full-service ADU design and construction, including granny flats and in-law suites, handling permits, engineering, and project management.
read moreSanta Cruz Construction Experts
303 Potrero Street, Santa Cruz, CA 95060 42.3 milesSanta Cruz Construction Experts builds ADUs in Scotts Valley, CA, including detached units, granny flats & in-law suites. They also construct pool houses, garages & outdoor spaces, ensuring local code compliance.
read moreElite ADU Santa Cruz
347 Soquel Avenue, Santa Cruz, CA 95062 42.9 milesElite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.
read moreMethod Remodeling General Contractor
533 Airport Boulevard, Burlingame, CA 94010 3.2 milesCustom ADU construction and remodeling services focused on creating functional, comfortable living spaces with quality craftsmanship and reliable workmanship.
read moreBay Area Home Remodelers
225 Schwerin Street, San Francisco, CA 94134 12.2 milesBay Area Home Remodelers builds ADUs in Daly City, San Francisco & San Jose. Services include garage conversions, granny flats, JADUs & detached units. Full project support from permits to completion.
read moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
What you need to know
Searching for top Attached ADU ADU Contractors in San Mateo, 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 San Mateo 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.
San Mateo 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 San Mateo, California, and get started today.