Garage Conversion in California
Avorino
360 E 1st St #355, Tustin, CA 92780
Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.
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Murray Lampert Design, Build, Remodel
2851 Camino del Rio South, San Diego, CA 92108
Murray Lampert, San Diego's trusted ADU builder since 1975, offers full design-build services including granny flats, in-law suites, and garage conversions. With 50+ years of experience, they deliver custom, high-quality accessory dwelling units tailored to your needs.
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Ataman Studio
13151 Fountain Park Drive, Los Angeles, CA 90094
Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.
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View ADU Builders
18740 Ventura Boulevard, Tarzana, CA 91356
View ADU Builders is a trusted Los Angeles ADU contractor specializing in detached ADUs, garage conversions, attached ADUs & in-law suites. Costs range from $80K–$350K+. Free 3D design consultations available.
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Fullerton ADU Builder
125 North Euclid Street, Fullerton, CA 92832
Fullerton ADU Builder offers expert ADU construction services including detached ADUs, garage conversions, JADUs, in-law suites & home additions. 10+ years experience, licensed & insured, transparent pricing, free consultations & full permit handling.
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ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.
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Sennikoff Architects
5500 2nd Street, Long Beach, CA 90803
Sennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with full permit coordination.
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Bay Harbor Remodeling and Construction
2121 North California Boulevard, Walnut Creek, CA 94596
Bay Harbor Remodeling & Construction is a licensed Bay Area contractor with 25+ years of experience. Services include kitchen & bathroom remodeling, ADU conversions, roofing, decks, and more across 50+ California cities.
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Mee Builders
8400 Miramar Road, San Diego, CA 92126
Mee Builders is a San Diego ADU contractor offering detached, attached, garage conversion, above-garage, and JADU construction. They ensure California Energy Code compliance, local permitting, and maximize density under San Diego zoning regulations.
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Bayside Builders Group
1151 Harbor Bay Parkway, Alameda, CA 94502
Bayside Builders Group is a licensed Bay Area ADU contractor with 25+ years of experience. Services include detached ADUs, garage conversions, and in-law suites. Serving Oakland, San Jose, San Francisco, and surrounding counties.
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Leon's Construction Inc.
3333 Vaca Valley Parkway, Poway, CA 95688
Leon's Construction Inc. offers ADU construction services in Escondido, Encinitas, and San Marcos, CA. They build backyard cottages, basement apartments, tiny homes, and more using durable, energy-efficient materials.
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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
Structura Remodeling is an LA-based licensed ADU contractor specializing in Accessory Dwelling Units, garage conversions & JADUs. Costs range $115K–$145K. Financing options include HELOC & construction loans. Free consultation available.
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Apex ADU Builders
10050 North Foothill Boulevard, Los Angeles, CA 95014
Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than homes without ADUs.
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Humboldt ADU
3015 H Street, Eureka, CA 95501
Humboldt ADU is a Humboldt County program helping homeowners build Accessory Dwelling Units (ADUs) like granny flats or backyard cottages to boost affordable housing. It offers guides on types, permits, financing, and construction.
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Musick Construction Inc.
1818 Peacock Boulevard, Oceanside, CA 92056
Musick Construction Inc. offers ADU construction services including new builds and conversions like garage and basement conversions. They handle permits, design, and finishes for granny flats, in-law suites, and rental units.
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Other cities in California
What you need to know
Searching for top Garage Conversion ADU Contractors in 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 California 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.
California 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 California, and get started today.