Detached ADU in California
Sacramento ADU Builder
180 Promenade Circle, Sacramento, CA 95834
Sacramento's trusted ADU builder specializes in designing and constructing Accessory Dwelling Units. Licensed contractors offer quality work, on-time delivery, and competitive pricing, helping homeowners boost property value, earn rental income, and house family members.
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Artisan Builders Construction
3369 Shearer Ave, Cayucos, CA 93430
Artisan Builders Construction builds ADUs in San Luis Obispo County, CA. Services include detached ADUs, attached units, garage conversions & JADUs. They manage planning, permitting, construction & inspections with transparent pricing.
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United Builders Development, Inc
25350 Magic Mountain Parkway, Santa Clarita, CA 91355
Building an ADU boosts property value, generates rental income, and offers flexible living space. United Builders, a licensed ADU contractor, delivers expert design-build solutions, garage conversions, and custom ADUs on time and within budget.
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Hernandez Family Construction
18124 Varden Drive, Madera, CA 93638
Hernandez Family Construction serves Fresno & Madera, CA, offering custom homes, ADUs, granny flats, multifamily builds & spec homes. Founded by Michael Hernandez, they also provide construction financing guidance including one-time close loans.
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New Key Construction
2890 North Main Street, Walnut Creek, CA 94597
Cabal Construction
7103 University Avenue, La Mesa, CA 91942
Detached ADUs (backyard cottages, granny flats) are standalone units adding rental income, family housing, or workspace. Costs range $100K–$350K. Cabal Construction guides homeowners through design, permits, and construction.
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ADU Builders Group
15166 Los Gatos Boulevard, Los Gatos, CA 95032
ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structural guarantee.
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MHP Construction
2402 South Sergeant Avenue, Rancho Cordova, CA 64804
MHP Construction offers ADU construction services in California, including detached units, conversions, and in-law suites. ADUs provide rental income, family housing, and flexible living—without buying extra land.
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G.J. Gardner Homes Clovis
1177 North Willow Avenue, Clovis, CA 93611
An ADU (accessory dwelling unit) is a self-contained living space on your property. G.J. Gardner Homes Clovis is an experienced ADU builder in Clovis, CA, offering a structured 7-step build process, from consultation to handover.
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SJB Construction Inc
9739 Deer Hollow Court, Santee, CA 92071
Building a granny flat (ADU) in San Diego can boost property value and ease housing needs. Detached ADUs up to 1,200 sq ft start at $250/sq ft. Fee waivers may save homeowners $14,000+. Rules apply regarding zoning, lot use, and size limits.
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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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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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Hilario Construction
Santa Rosa, CA 95405
Hilario Construction is a Santa Rosa ADU contractor offering full-service accessory dwelling unit construction, including permits, design, and turnkey delivery. Serving Santa Rosa, Windsor, and Petaluma, they build detached ADUs, granny flats, and in-law suites compliant with California ADU laws.
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Atra Construction
San Jose, CA 95120
Atra Construction is a Bay Area ADU contractor offering full-service design and build. They handle permits, planning, and construction management. Floor plans range from 240 sq ft studios to 1,200 sq ft three-bedroom units.
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Clarity Construction
111 North Market Street, San Jose, CA 95113
Clarity Construction is a Bay Area contractor specializing in ADUs, home additions, and remodeling in Sunnyvale, Palo Alto, and South San Francisco. Services include backyard ADU builds, in-law suites, permits, and kitchen remodels.
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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.