Detached ADU in California
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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ATARI Home Builders
19720 Ventura Boulevard, Woodland Hills, CA 91364
Atari Home Builders is a licensed California general contractor serving Woodland Hills & Greater LA. Specializing in custom homes, ADUs, garage conversions, kitchen & bathroom remodeling, and fire rebuilds.
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Dobson Construction Inc.
5021 Blum Road, Martinez, CA 94553
Dobson Construction Inc. is a Bay Area ADU contractor with 16+ years of experience building home additions, detached ADUs, guest suites, and garage conversions. They handle design, permits, and construction for functional, value-adding residential spaces.
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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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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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The Avalon Comany
3911 N Cordoba Ave Suite 6, Spring Valley, CA 91977
Homeowners across the San Diego area looking to expand their living space or create a rental opportunity turn to the trusted San Diego Builders at The Avalon Company. With more than three decades of experience, they specialize in designing and constructing high end accessory dwelling units that blend seamlessly with your existing property while increasing functionality and property value.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
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Vargas Construction
16064 Vía Harriet, San Lorenzo, CA 94580
Vargas Construction is a California ADU contractor offering detached, attached, garage, junior, and multifamily ADUs. They handle design, permitting, and construction with energy-efficient materials, custom interiors, and full amenities in 2–6 months.
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HDR Remodeling
5677 Horton Street, Emeryville, CA 94608
HDR Remodeling is a Bay Area Design Build firm since 1987, specializing in kitchen remodels, bathroom renovations, and home improvements across Oakland, Berkeley, Alameda, and the East Bay, backed by an experienced team of architects and designers.
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Aldridge Construction
Monterey, CA 93901
Aldridge Construction builds ADUs in Salinas, CA—detached, attached, garage conversions & interior units. Projects cost $150K–$300K, take 4–8 months, and include full permitting support. Free consultations available.
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Temecula ADU Builders
45033 Putting Green Court, Temecula, CA 92592
Temecula ADU Builders is a local ADU contractor helping homeowners add accessory dwelling units, including detached ADUs, garage conversions, and granny flats, for rental income, family housing, or tax benefits in Temecula, CA.
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Lion ADU Builders
456 Cavour Street, Oakland, CA 94618
Lion ADU Builders is an Oakland ADU contractor offering detached ADUs, garage conversions, in-law suites, and custom builds. They manage design, permits, and construction, helping homeowners add space and property value across the Bay Area.
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Gannage Construction
1560 Santa Rita Road, Templeton, CA 93465
At Gannage Design & Construction, we specialize in ADU construction on the Central Coast, guiding you from concept to completion with a seamless, stress-free process.
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San Diego ADU Specialists
347 3rd Avenue, Chula Vista, CA 91910
San Diego ADU Specialists, a division of Wizdom Construction Inc., builds custom ADUs, granny flats & garage conversions. Services include new construction, design, and renovations—boosting property value and 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.