Detached ADU in California
Streamline Design Group
500 La Terraza Boulevard, Escondido, CA 92025
Streamline Design Group offers ADU design and permitting in San Diego, covering detached, attached, JADU, garage conversions, and multi-family units. Referenced in the State ADU handbook, they deliver permit-ready plans at 40–60% less than architect fees.
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Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
Done Right Builders & Remodeling is a licensed Bay Area ADU contractor (Lic#1002689) with 20+ years experience. Services include detached/attached ADUs, JADUs & garage conversions in Union City, Hayward, San Jose & Santa Clara.
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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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The Los Angeles ADU Builders
240 South Beverly Drive, Beverly Hills, CA 90212
Los Angeles ADU Builders is a licensed ADU contractor in Beverly Hills offering custom ADU design, garage conversions, detached ADUs, JADUs & in-law suites. CSLB certified, fully insured, with expert permit handling & transparent pricing.
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CSL Quality Construction
659 3rd Avenue, Chula Vista, CA 91910
CSL Quality Construction is a trusted ADU contractor in San Diego County, offering full-service design, permits, construction, and renovations. ADUs can boost property value by 20–30% and generate rental income.
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Temecula ADU Builders
45033 Putting Green Court, Temecula, CA 92592
Temecula ADU Builders is a local ADU contractor helping homeowners add accessory dwelling units, including detached ADUs, garage conversions, and granny flats, for rental income, family housing, or tax benefits in Temecula, CA.
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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 living space.
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ADU Builder LA
126 West Elm Court, Burbank, CA 91502
ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, garage conversions, and JADUs.
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Central Coast Project Planning
1204 Kapareil Ln., Paso Robles, CA 93446
CCPP helps homeowners plan & permit ADUs in San Luis Obispo County. Options include custom, stock plan, or manufactured units. Permitting takes 4–12 months, with costs ranging from $40K–$70K depending on ADU type.
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Central Coast ADU
260 Maple Court, Ventura, CA 93003
Central Coast ADU offers full ADU planning, design, and permitting services for homeowners on the Central Coast. From granny flats to garage conversions, they deliver construction-ready plans and approved permits.
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Jay Remodeling
15219 Sunset Boulevard, Los Angeles, CA 90272
Jay Remodeling is a licensed ADU contractor in Los Angeles offering attached, detached, garage conversion, basement, and Junior ADUs. They handle design, permitting, and construction, helping homeowners add rental income or family space while boosting property value.
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Manzanita Design Build
408 48th Street, Oakland, CA 94609
Manzanita Design Build is an East Bay ADU contractor specializing in accessory dwelling units. Serving Berkeley, Oakland, Alameda & more. New ADU construction starts ~$300K, 5–8 month build time. Licensed (#1034108) & insured.
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Shefer Builder Inc.
585 S Winchester blvd #759, San Jose, CA 95128
Shefer Builder Inc. offers full-service ADU construction, managing design, permits, and building. Specializing in detached ADUs, granny flats, and in-law suites, they deliver custom accessory dwelling units that boost property value and rental income.
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Delcoi
21650 Oxnard Street, Woodland Hills, CA 91367
Delcoi is an ADU contractor specializing in granny flats, casitas, in-law suites, detached ADUs, garage conversions, and backyard cottages. They handle permits, regulatory compliance, and quality construction to maximize living space and rental income potential.
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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.