Garage Conversion in California
Sigura Construction, Inc.
1290 Reamwood Avenue, Sunnyvale, CA 94089
Sigura Construction, Inc. builds ADUs & garage conversions in Silicon Valley. Licensed, A+ BBB rated, Diamond Certified 18+ years. Serving Menlo Park, Palo Alto, Atherton & more. Free estimates available.
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SJB Construction Inc
9739 Deer Hollow Court, Santee, CA 92071
Building a granny flat (ADU) in San Diego can boost property value and ease housing needs. Detached ADUs up to 1,200 sq ft start at $250/sq ft. Fee waivers may save homeowners $14,000+. Rules apply regarding zoning, lot use, and size limits.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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Backyard Unlimited
4765 Pacific Street, Rocklin, CA 95677
Backyard Unlimited, founded 2009 in Rocklin, CA, specializes in Amish-crafted sheds, gazebos, pergolas, and ADUs for Greater Sacramento homeowners. They handle full ADU design, permitting, and installation in-house, with no subcontractors.
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MZ Construction
2053 Preisker Lane, Santa Maria, CA 93454
MZ Construction (CSLB #985113) is a licensed general contractor in Santa Maria, CA, specializing in ADUs, home remodels, additions, and light commercial construction across the Central Coast. Free estimates available.
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Result Construction
3412 Birchdale Way, Sacramento, CA 95843
Result Construction is a Sacramento general contractor offering ADU building, garage conversions, kitchen & bathroom remodels, home additions, and custom homes. They manage permits, design, and construction for residential and commercial clients with a focus on quality and sustainability.
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Quartz Construction
1777 Hamilton Avenue, San Jose, CA 95125
Quartz Construction builds ADUs in San Jose, including detached units, garage conversions, and in-law suites. ADUs offer extra space, passive rental income, and multigenerational living solutions for Bay Area homeowners.
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ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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iHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832
iHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.
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Bartona Builders
331 Delaware Road, Burbank, CA 91504
Bartona Builders specializes in ADU construction in Los Angeles, offering detached ADUs, garage conversions, and in-law suites. They manage the full build process, ensuring code-compliant construction that adds value to residential properties.
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ADU Conversion
Los Angeles, CA
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners seeking rental income or multigenerational housing.
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Alto Builders
5450 Lake Lindero Dr., Agoura Hills, CA 91301
Alto Builders specializes in ADU construction in Los Angeles & Ventura County. Services include detached ADUs, garage conversions & JADUs. Costs range $300–$600/sq ft, with timelines of 5–12 months.
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Sprawl Design
1893 Lorient Place, Chula Vista, CA 91913
Sprawl-Design offers expert ADU design in San Diego, including garage conversions, attached & detached units. Starting from $60K, they manage design to construction with local expertise & budget clarity.
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OCA Builders | Construction Company & ADU Contractor
245 20th Avenue, Santa Cruz, CA 95062
OCA Builders is a trusted Santa Cruz general contractor specializing in ADU construction, custom homes, kitchen & bathroom remodeling, room additions, and commercial build-outs, delivering quality craftsmanship with deep local zoning expertise.
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ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.
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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.