Detached ADU in California
Rosegold Builders, Inc.
358 South Abbott Avenue, Milpitas, CA 95035
Rosegold Builders builds custom ADUs across the Bay Area and Los Angeles, handling permits, zoning, and construction. Services include garage conversions, backyard cottages, and rental units designed to boost property value.
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Cordeiro Custom Remodeling
1420 Main Street, Newman, CA 95360
Cordeiro Custom Remodeling offers expert ADU construction in Newman, Modesto & Turlock, CA. Services include garage conversions, detached ADUs, granny flats & in-law suites. 15+ years of residential remodeling experience.
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JS Design & Build
1518 Yajome Street, Napa, CA 94559
JS Design & Build is a full-service ADU builder with the experience to navigate local codes, streamline approvals, and deliver exceptional results. Their in-house team of designers, builders, and project managers ensures seamless communication... read more
WM Construction
10535 Foothill Boulevard, Rancho Cucamonga, CA 91730
WM Construction is a licensed ADU contractor in Los Angeles offering full-service builds, from site assessment and design to permitting and post-construction support, helping homeowners add granny flats, garage conversions, and in-law suites compl... read more
ADU Builders Bay Area
111 N Market St Suite 1150, San Jose, CA 95113
ADU Builders Bay Area specializes in detached ADUs, garage conversions, in-law suites & more. Expert ADU contractors offering transparent pricing, full permitting & quality construction throughout the Bay Area.
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UADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035
UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
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California Bay Builders & Remodeling
2150 N 1st Street Suite 400, San Jose, CA 95131
Bay Area design-build ADU specialists. One project, one point of contact — design, engineering, permitting, and construction from start to finish. CSLB #1130783.
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Raudes Construction
18414 Eddy Street, Northridge, CA 91325
Raudes Construction builds ADUs including garage conversions, granny flats & detached units. They handle permits, zoning compliance & full construction. Costs range from $50K to $300K+, with timelines of 3–6 months.
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ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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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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Sierra Construction & Design
17250 Sunset Boulevard, Pacific Palisades, CA 90272
Sierra Construction & Design builds custom ADUs, including guest houses, in-law suites, garage conversions & JADUs. Services cover design, permits & inspections. Boost property value & rental income with an experienced ADU contract... read more
Edri Construction, Inc. Walnut Creek
1990 N California Blvd Ste 20, Walnut Creek, CA 94596
Edri Construction, Inc. is a Walnut Creek-based ADU contractor serving the Bay Area. They specialize in garage conversions, detached ADUs, attached additions, in-law suites, and JADUs, handling design, permitting, and project management.
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Ingenious General Construction
2890 North Main Street, Walnut Creek, CA 94597
Ingenious General Construction is a BBB-certified, licensed contractor in Walnut Creek, CA, serving the East Bay. With 20 years of experience, they offer ADUs, kitchen & bathroom remodeling, home additions, pool construction, and landscaping.<... read more
Pinnacle Construction
6132 Innovation Way, San Diego, CA 92009
Pinnacle Construction Services Inc. offers expert metal stud framing and drywall for ADU projects in San Diego County, including detached ADUs, garage conversions, and attached additions, with 30+ years of subcontracting experience.
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Advance Construction Company
5073 Central Ave, Bonita, CA 91902
Advance Construction Company is a San Diego-based ADU contractor and garage conversion specialist committed to excellence. Trusted by homeowners, they deliver seamless construction experiences with top-tier sub-contractors, ensuring quality result... read more
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.