Attached ADU in California
Thousand Oaks Elite ADU Builder
1343 East Thousand Oaks Boulevard, Thousand Oaks, CA 91362
Thousand Oaks Elite ADU Builder specializes in detached ADUs, attached ADUs, and garage conversions. Services include design, permitting, and full construction, built to California Title 24 standards for rental, multigenerational living, or home o... read more
ADU Palmdale
550 West Rancho Vista Boulevard, Palmdale, CA 93551
ADU Palmdale builds Accessory Dwelling Units in Palmdale, CA & greater LA. Services include garage conversions, detached ADUs & attached units. Free estimates available for rental income, multigenerational living & property value growt... read more
Doza Build
1680 Camino Real, San Bernardino, CA 92408
Doza Build Inc. serves San Bernardino & Riverside County, CA, with 30+ years in construction. Services include ADU construction, garage conversions, remodeling, plumbing, electrical, flooring & more. Free estimates available.
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Get Bizzy LLC
150 Riverbank Lane, Heritage Ranch, CA 93446
Get Bizzy LLC specializes in garage-to-ADU conversions in San Luis Obispo County. They handle permits, design, construction & inspections for 1, 2 & 3-car garages, creating fully legal, California-compliant accessory dwelling units.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
Build Method Construction is a licensed ADU contractor in Los Angeles County with 25+ years of experience. They build detached ADUs, garage conversions, JADUs, and more—handling design, permits, and construction for single and multi-family prope... read more
Eco Scale Construction
Sunnyvale, CA 94085
Eco Scale Construction builds ADUs in Sunnyvale, Los Altos & Palo Alto, CA. Services include detached ADUs, garage conversions & JADUs. Costs range from $80K–$400K+. Fully compliant with California ADU regulations.
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NEO Builders Inc
12725 Califa Street, Valley Village, CA 91607
NEO Builders is a locally owned and operated construction and design company that helps every client individually and brings a unique perspective to each build.
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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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Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
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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iHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832
iHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.read more
Sustainable Building and Design
Glatt Street, Eureka, CA 95503
Sustainable Building & Design (SB&D) is a licensed general contractor in Humboldt County, CA, specializing in ADU construction, remodeling, and new builds using sustainable materials at affordable prices.
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Capitol Custom ADU
1610 R Street, Sacramento, CA 95811
S.D White Construction Inc
1151 Hensley Street, Richmond, CA 94801
S.D White Construction Inc, a licensed Bay Area ADU contractor with 20+ years experience, builds detached, attached, garage conversion & above-garage ADUs in Richmond, CA. Full-service from design & permits to final inspection, completed i... read more
LRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596
LRL Builders, Inc. is a licensed ADU contractor in Walnut Creek, CA, specializing in detached, attached, garage conversion, and junior ADUs. They handle design, permitting, and construction, serving Walnut Creek and surrounding Bay Area communitie... 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.