Garage Conversion in California
Bay Builders & Remodeling
800 Charcot Avenue, San Jose, CA 95131
Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspace.
read more
1 Degree Construction
13107 Ventura Boulevard, Studio City, CA 91604
1 Degree Construction is a Los Angeles ADU builder & home addition contractor. Services include detached ADUs, garage conversions, second-story additions & in-law suites. Projects range from $30K to $150K+.
read more
DevArt8 Builders
1828 South Milpitas Boulevard, Milpitas, CA 95035
DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.
read more
American Helical
1850 Countryside Dr. #1005, Turlock, CA 95380
American Helical (CA LIC #1128975) is a full-service ADU contractor in California offering planning, design, permitting, and construction. A 3rd-generation builder, they provide pre-designed models, custom ADUs, and prefab installs across multiple counties.
read more
ADU Palmdale
550 West Rancho Vista Boulevard, Palmdale, CA 93551
ADU Palmdale builds Accessory Dwelling Units in Palmdale, CA & greater LA. Services include garage conversions, detached ADUs & attached units. Free estimates available for rental income, multigenerational living & property value growth.
read more
Motif Architecture
30211 Avenida De Los Banderas #200, Rancho Santa Margarita, CA 92688
Motif Architecture offers ADU, JADU, and garage conversion design services in Orange County, CA. Their five-phase process covers space planning, permitting, and construction. Projects include backyard cottages and garage-to-ADU conversions in Costa Mesa and Irvine.
read more
Global Arch Construction
800 Atlantic Street, Roseville, CA 95678
Global Arch Construction builds ADUs in Sacramento, offering detached units, garage conversions & in-law suites. Licensed design-build contractor managing permits, zoning & full construction. Projects completed in 4–8 months.
read more
DNM Architecture
1A Gate 5 Road, Sausolito, CA 94965
DNM Architecture is a California-based firm specializing in ADU design and permitting. Their ADUxDNM program covers site analysis, design, permitting, and construction management, offering detached ADUs, garage conversions, and more.
read more
B&A Construction Inc.
501 N Juanita Dr, Palm Springs, CA 92262
B&A Construction Inc. is a licensed general contractor in Manteca, CA, with 35 years of experience. Services include ADU construction, garage conversions, kitchen & bathroom remodeling, and room additions across San Joaquin and Central Valley counties.
read more
S Squared Construction & Pool Contractor
3343 Bancroft Drive, Spring Valley, CA 91977
S Squared Construction & Pool Contractor is a licensed Solana Beach, San Diego contractor with 13+ years of experience in ADU construction, garage conversions, and custom pool installation. They handle design, permitting, and building for detached ADUs, in-law suites, and backyard cottages.
read more
Granny Homes
16 Richards Drive, Roseville, CA 95678
Granny Homes, founded by Jason Lewis, is a Sacramento-based ADU contractor specializing in attached ADUs, detached backyard cottages, and garage conversions. They offer full-service design, permitting, and construction for functional, affordable accessory dwelling units.
read more
Molinar Design
1132 Spence Street, Los Angeles, CA 90023
Molinar Design is a licensed design-build firm in Los Angeles offering ADUs, garage conversions, custom homes, remodeling, commercial architecture, permit packages, and fire & water damage restoration across Los Angeles County.
read more
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.
read more
Southland Remodeling
15021 Ventura Boulevard, Sherman Oaks, CA 91403
Southland Remodeling is a Los Angeles ADU contractor offering detached ADUs, garage conversions, and room additions. With 20+ years experience, they handle design, permits, and construction across LA and San Fernando Valley.
read more
Fontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335
Fontana General Contractors builds custom ADUs, including detached units, garage conversions, and in-law suites. They handle permits, zoning, and full construction management, helping property owners add value and flexible living space.
read more
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.