Detached ADU in California
Victory Home Remodeling
505 S Vermont Unit B # 229, Los Angeles, CA 90020
Victory Home Remodeling builds detached, attached, garage conversion, Junior, and above-garage ADUs in Los Angeles. Benefits include added property value, rental income, and multi-generational living. Timelines range from 2–10 months depending on ADU type.
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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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Maruda Construction
3355 Myrtle Avenue, North Highlands, CA 95660
Maruda Construction is a Sacramento-area ADU builder offering full-service design, permitting, construction, and financing. Standard ADUs start at $230K; premium units at $260K+. Typical project timeline: ~4 months from feasibility to occupancy.
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ADU Crew
6680 Alhambra Avenue, Martinez, CA 94553
Your Prefab ADU will be delivered and installed to your site. All ready to enjoy a sustainable home to last for generations.
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Proteus Homes
793 North Avenue, Vista, CA 92083
Proteus Homes is a custom home and ADU builder with 30+ years of experience in the Southwest US. They offer full-service ADU construction, including design, permitting, and panelized off-site fabrication, with move-in-ready homes in under three months.
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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.
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DREC Construction Services
15338 Central Avenue, Chino, CA 91710
DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warranty.
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Ayala Builder Company
#11824, Granada Hills, CA 91344
Ayala Builder Company in Granada Hills specializes in custom ADU construction, including detached ADUs, granny flats, garage conversions, and in-law suites. They handle design, permitting, construction, and final inspection for code-compliant results.
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Mission Home Remodeling
475 Gough Street, San Francisco, CA 94102
Coronado Construction
8250 Camino Santa Fe, San Diego, CA 92121
Coronado Construction builds Accessory Dwelling Units (ADUs) in San Diego, CA. From garage conversions to detached units, their ADUs boost property value, generate rental income, and offer flexible living using quality, energy-efficient materials.
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PacGen Construction
29995 Technology Drive, Murrieta, CA 92563
PacGen Construction is a Temecula-based ADU contractor specializing in granny flats, casitas, and in-law suites. They offer full design-build services, permitting assistance, and custom ADU construction for homeowners seeking rental income or extra living space.
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Urbatect Development, LLC
7555 North Palm Avenue, Fresno, CA 93711
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 & 30% faster permits.
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WS Builders
162 Wolverine Way, Scotts Valley, CA 95066
WS Builders offers expert ADU construction in Santa Cruz with 20 years of experience. Services include permit management, design collaboration, and full project oversight. Serving Santa Cruz, Scotts Valley & Soquel.
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IL Total Design
9655 Granite Ridge Drive, San Diego, CA 92123
IL Total Design & Build is a San Diego ADU specialist offering full-service design, permitting, and construction for granny flats, garage conversions, detached ADUs, and JADUs. They also provide home additions and remodeling across San Diego County.
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ADU Of Oceanside
5074 Gold Drive, Oceanside, CA 92057
ADU Of Oceanside is a full-service accessory dwelling unit builder in Oceanside, CA, handling design, permitting, and construction. Led by UC Berkeley-certified owner Colin Pond, they specialize in detached ADUs, granny flats, and garage conversions.
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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.