Garage Conversion in California
Classic Home Contractors
9045 Judicial Dr., San Diego, CA 92122
Classic Home Contractors offers full-service ADU construction in Oceanside, CA, including custom design, garage conversions, detached units & permit handling. Serving neighborhoods like Rancho Del Oro, San Luis Rey & more.
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Kuhlman Scott Architects
607 North Vulcan Avenue, Encinitas, CA 92024
Kuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.
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ADU Designers & Builders
2461 East Orangethorpe Avenue, Fullerton, CA 92831
ADU Designers & Builders is a full-service ADU contractor in Fullerton, CA, offering detached ADUs, garage conversions, attached ADUs & JADUs across Southern California, with expert design, permitting, solar integration & 0% financing options.
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Fortune ADU
9810 Scripps Lake Drive, San Diego, CA 92131
Fortune ADU is a Southern California ADU contractor offering full-service design, permitting, and construction. Services start at $3,999.99, covering detached ADUs, JADUs, garage conversions, and more, with most projects completed in 6–12 months.
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HSP ADU Builders
5975 Redwood Street, San Diego, CA 92105
HSP ADU Builders is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They guide homeowners through design, permitting, and construction of accessory dwelling units.
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WD-4D Builders
121 West Ridgecrest Boulevard, Ridgecrest, CA 93555
WD-4D Builders specializes in ADU construction and garage conversions across California. Services include detached ADUs, granny flats, casitas, and garage-to-living-space conversions, covering design, permitting, and build from start to finish.
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Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & turnkey construction.
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Titanium Contractors
12409 Longmeadow Way, Bakersfield, CA 93309
Titanium Contractors builds ADUs in Tehachapi, CA, offering detached ADUs, attached ADUs, and garage conversions. Services include custom design, permit-ready plans, Kern County compliance, and full project management from start to finish.
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ADU's by Design
3600 Lime Street, Riverside, CA 92501
ADU's by Design is an Inland Empire ADU contractor serving Riverside & San Bernardino County. They offer full-service accessory dwelling unit design & construction, including detached ADUs, garage conversions, remodeling & architectural design.
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Rockwood Homes
10017 Walnut Street, Bellflower, CA 90706
Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.
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Katz Design & Builders inc
316 Culver Boulevard, Playa Del Rey, CA 90293
Katz Design & Builders Inc offers full-service ADU construction across Los Angeles and Orange County. Services include detached ADUs, garage conversions, attached ADUs, and JADUs, all built to California Title 24 and local zoning standards.
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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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Fissile Home Solutions
Anza, CA 92539
Fissile Home Solutions is a licensed general contractor in Redlands, CA, offering ADU construction, garage conversions, home additions, and remodels across the Inland Empire with local permitting expertise and personal project oversight.
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HBC Construction
41060 High Street, Fremont, CA 94538
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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Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
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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.