Garage Conversion near Castro Valley, CA
Clever Design & Remodeling
1630 Oakland Road, San Jose, CA 95131
24.4 miles
Clever Design & Remodeling builds ADUs across the San Francisco Bay Area, including garage conversions, attached, detached, and junior ADUs. Services cover permits, construction, interior design, and landscaping. Average ADU cost is ~$145,000.
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Rosegold Builders, Inc.
358 South Abbott Avenue, Milpitas, CA 95035
21.2 miles
Rosegold Builders builds custom ADUs across the Bay Area and Los Angeles, handling permits, zoning, and construction. Services include garage conversions, backyard cottages, and rental units designed to boost property value.
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Home Revive Builders
15559 Union Ave #234, Los Gatos, CA 95032
33 miles
Home Revive Builders is a licensed ADU contractor in the Bay Area, CA, specializing in garage conversions, detached ADUs, in-law suites, and more. Full-service projects include design, permits, plumbing, electrical, and finishing.
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Collins Remodeling
2651 Blanding Avenue, Alameda, CA 94501
10.2 miles
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.
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Keller Williams Palo Alto
2825 El Camino Real, Palo Alto, CA 94306
20.2 miles
Acton ADU is a Bay Area ADU contractor founded by Stan Acton with 30+ years of experience. They offer full-service ADU design, construction, garage conversions, and permitting across San Jose and the broader Bay Area.
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LRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596
12.8 miles
LRL 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 communities.
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Barcci Builders
16185 Los Gatos Boulevard, Los Gatos, CA 95032
33.3 miles
Barcci 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 $400K+.
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Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
6.9 miles
Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinker, License #1128717.
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HBC Construction
41060 High Street, Fremont, CA 94538
13.3 miles
HBC Construction, based in Fremont, CA, specializes in ADU building, garage conversions, new homes & additions across the Bay Area. Licensed, code-compliant, full-service from planning to completion.
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Red White & Blue Construction
1080 Carol Lane, Lafayette, CA 94549
13.1 miles
RWB Construction is a Lafayette, CA-based ADU contractor serving the Bay Area. They build detached ADUs, garage conversions, granny flats & in-law suites, managing design, permitting, and construction from start to finish.
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Custom Home
2092 Concourse Drive, San Jose, CA 95131
23.6 miles
Custom Home is a Bay Area ADU contractor (CSLB #986048) with 160+ projects since 2005. They build detached, attached, junior ADUs & garage conversions across South Bay & Peninsula, with costs from $120K–$500K+.
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Step-up Construction
398 Bay Street, San Jose, CA 95123
34.7 miles
Step-up Construction is a San Jose ADU contractor specializing in garage conversions, attached additions, and detached backyard ADUs. Costs range from $80K to $475K. They guide homeowners through permits, zoning, and San Jose's ADU regulations.
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Jaws Construction Services
14000 Kelso Road, Byron, CA 94514
26 miles
Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.
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Remodeling Heroes
2150 Shattuck Avenue, Berkeley, CA 94704
15.8 miles
Remodeling 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.
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Alon Design & Remodeling
722 Charcot Avenue, San Jose, CA 95131
23.9 miles
Alon Design & Remodeling is a leading ADU contractor offering detached, attached, garage conversion, basement, and JADU options. ADUs boost property value, generate rental income, and provide independent living spaces with full amenities.
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What you need to know
Searching for top Garage Conversion ADU Contractors in Castro Valley, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Garage Conversion ADU Contractor in Castro 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 Garage Conversion professionals can guide you through every step.
Castro Valley homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Garage Conversion ADU Contractors in Castro Valley, California, and get started today.