Attached ADU in California
Sennikoff Architects
5500 2nd Street, Long Beach, CA 90803
Sennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with f... read more
Doobek Builders
5308 Derry Avenue, Los Angeles, CA 91301
Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
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Home WiP Construction Concierge
171 Main St 261, Los Altos, CA
Elevated Remodeling
San Diego, CA 92101
Elevated Remodeling is a San Diego ADU contractor since 2007, specializing in detached ADUs, garage conversions, casitas & granny flats. Services include JADUs, in-law suites & home additions, with full permitting support.
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Davis Builders
4283 Rancho Rd, Chico, CA 95973
Davis Builders specializes in designing and constructing custom Accessory Dwelling Units (ADUs) in Chico, CA, providing homeowners with versatile living spaces for rental income or family use.
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Green Living Builders, LLC
833 Bancroft Way, Berkeley, CA 94710
Green Living Builders LLC is a licensed, bonded Berkeley CA general contractor specializing in ADU construction, garage conversions, home remodels, and new builds across the East Bay. Diamond Certified with deep local expertise.
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Lusso Design & Build
5425 Oberlin Drive, San Diego, CA 92121
Lusso Design & Build is a licensed San Diego ADU contractor specializing in ADUs and JADUs. They handle design, permits, and construction, ensuring compliance with California regulations while helping homeowners add rental income or flexible l... read more
Alpha1 Builders
3147 Dwight Road, Elk Grove, CA 95758
Alpha1 Builders in Elk Grove, CA specializes in ADU construction, including garage conversions, attached, detached, junior, and multi-tenant ADUs. They manage design, permitting, and build, helping homeowners add value and rental income.
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ADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846
Buchanan Land Use Consulting (BLUC)
225 Ramsey Road, Laytonville, CA 95454
Buchanan Land Use Consulting (BLUC), based in Laytonville, CA, helps families and farmers navigate land development regulations. Services include ADU/JADU permitting, building permits, rezoning, conditional use permits, environmental compliance, a... read more
JS Moody Construction
PO Box 13745, San Luis Obispo, CA 93406
JS Moody Construction offers full-service ADU construction in San Luis Obispo, CA. Services include detached ADUs, garage conversions, in-law suites & backyard cottages. They handle design, permits & build management for hassle-free result... read more
Nucave Construction Inc.
440 South Melrose Drive, Vista, CA 92081
Experienced ADU contractor offering a structured process: site assessment, custom design options, transparent cost estimates, permit guidance, and financing support. Specializing in detached ADUs, garage conversions, and in-law suites.
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LNL Construction
8698 Elk Grove Blvd, Elk Grove, CA 95624
LNL Construction is a Sacramento ADU contractor offering full-service builds, from design to completion. Founded by Landon Linville with 30+ years experience, they handle permits, zoning, and all ADU types. Costs range from $150K to $300K+.
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Urbatect Development, LLC
444 Airport Boulevard, Watsonville, CA 95076
Urbatect Development LLC is a California & Washington ADU contractor offering custom homes, garage conversions, JADUs & detached ADUs. 15+ years experience, 3,500+ projects, fixed pricing, fast permitting & 3D design.
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Huntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647
Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transpar... read more
Other cities in California
What you need to know
Searching for top Attached 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 Attached 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 Attached 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 Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in California, and get started today.