Detached ADU in California
CCS Inc.
5535 Balboa Boulevard, Encino, CA 91316
CCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.
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North County ADU Construction
1010 S COAST HWY 101, Ste 208, Encinitas, CA 92024
North County ADU Construction is a local ADU contractor serving north San Diego County. They specialize in garage conversions, JADUs, detached ADUs, and prefab installs. With 500+ builds and a 96% satisfaction rate, they handle design, permitting, and construction.
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Home Remodeling Center
830 Los Vallecitos Boulevard, San Marcos, CA 92069
Home Remodeling Center in San Marcos offers custom ADU construction, kitchen, bathroom, and whole house remodels. From design to completion, they prioritize clear communication, budget transparency, and free consultations for granny flats, in-law suites, and more.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
Build Method Construction is a licensed ADU contractor in Los Angeles County with 25+ years of experience. They build detached ADUs, garage conversions, JADUs, and more—handling design, permits, and construction for single and multi-family properties.
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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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G.J. Gardner Homes Sacramento
700 Alhambra Boulevard, Sacramento, CA 95816
An ADU (accessory dwelling unit) is a self-contained living space on the same property as a primary home. G.J. Gardner Homes Sacramento offers expert ADU construction in California, guiding clients through a 7-step process from consultation to handover.
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Home Remodel Bakersfield
2800 Buck Owens Boulevard, Bakersfield, CA 93308
Home Remodel Bakersfield is a licensed ADU contractor in Bakersfield, CA, offering detached ADUs, garage conversions, JADUs, and home remodeling. Projects typically complete in 8–12 weeks with free consultations and itemized estimates.
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Type Five
1336 Channing Way, Berkeley, CA 94702
Type Five is a Berkeley, CA-based ADU builder offering custom backyard cottages, granny flats & in-law suites. They combine modular design, transparent pricing & streamlined construction for stress-free, high-quality detached ADUs built to last.
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Aspace Studios
p.o. box 851, Glendora, CA 91741
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
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Catalyst Construction
6135 Big Bend Drive, Roseville, CA 95678
Excellent Home Remodeling
1310 Alma Avenue, Walnut Creek, CA 94596
Excellent Home Remodeling offers professional home addition services in Sonoma, helping homeowners expand living spaces, add bedrooms, bathrooms, home offices, or in-law suites. They handle planning and execution tailored to each property's needs.
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Horizon Remodeling Inc.
614 South Euclid Street, Fullerton, CA 92832
Horizon Remodeling Inc. is a full-service residential remodeling company offering kitchen, bathroom, roofing, flooring, painting, and ADU conversions. Dedicated project managers coordinate all trades, keeping projects on schedule and within budget.
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Pro-built Homes
112 King Street, New Brunswick, CA E1N 2N6
Pro-built Homes builds factory-constructed Accessory Dwelling Units (ADUs) delivered 99% complete. Ideal as in-law suites, rental units, or backyard cottages, their ADUs offer quality, speed, and long-term value with minimal on-site disruption.
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Eco Grizzly
7811 Alabama Avenue, Canoga Park, CA 91304
Eco Grizzly is a licensed Southern California ADU contractor (CSLB #1077111) building detached ADUs, garage conversions, JADUs, and above-garage units. They handle permits, architectural plans, and full construction across LA, Ventura, Orange, and Riverside counties.
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G.J. Gardner Homes Selma
2020 2nd Street, Selma, CA 93662
G.J. Gardner Homes Selma builds quality ADUs in California with 30+ years experience. Services include detached ADUs, garage conversions & basement apartments. Their 7-step process covers consultation to handover, boosting property value & rental income.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU 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 Detached ADU 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 Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in California, and get started today.