Detached ADU in California
Potato Construction
8326 East Valley Boulevard, Rosemead, CA 91770
Potato Construction Inc., based in Rosemead, CA, is a licensed ADU contractor with 15+ years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs across the San Gabriel Valley and greater Los Angeles area.
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Accuracy Remodeling LLC
3144 G Street, Merced, CA 95340
Accuracy Remodeling LLC, serving Merced, CA since 2013, offers new construction, remodeling, and ADU contracting for residential and commercial clients. Licensed, insured, and free estimates available.
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Levatto Construction
1657 Camelot Dr, Redlands, CA 92374
Levatto Construction offers ADU construction in Redlands, CA, including granny flats, garage conversions, backyard cottages & attached units. Code-compliant builds tailored to your property goals.
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Capital Construction
41558 Eastman Drive, Murrieta, CA 92562
Capital Construction Inc. is an experienced ADU contractor building detached ADUs, in-law suites, granny flats, and rental units. Licensed, bonded, and insured, they handle permitting, design, and construction while respecting budgets and timelines.
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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 growth.
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Capitol Custom ADU
1610 R Street, Sacramento, CA 95811
Paramount Manufactured Sales
11759 Magnolia Avenue, Riverside, CA 92503
Paramount Manufactured Sales in Riverside offers Skyline Homes-built ADUs for Southern California homeowners in LA, Orange, Riverside, San Bernardino & San Diego Counties. Models range from 479–849 sq ft. California law now allows detached ADUs up to 1,200 sq ft.
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Eureka Modular
2553 Sampson Avenue, Corona, CA 92879
Eureka Modular builds steel frame modular ADUs and single family homes. Steel framing offers durability, design flexibility, and sustainability. Ideal for detached ADUs, backyard cottages, granny flats, and casitas with efficient, precise construction.
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Okopod
307 North Euclid Way, Anaheim, CA 92801
Okopod's 215 ft² backyard studio ADU features a dual pitch standing seam roof, Natural Thermowood cladding, aluminum doors, a full bathroom, and an anthracite grey pergola with adjustable louvres and slab flooring.
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Full Steam Ahead Construction
3527 Mount Diablo Boulevard, Lafayette, CA 94549
Licensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.
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Custom Home Builders Malibu
42400 Winchester Road, Temecula, CA 92590
Custom Home Builders Malibu specializes in ADU construction, backyard Casitas & granny flats. They offer turnkey design-build services, handling permits & compliance with California ADU laws for legal, independent living spaces.
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Next Level ADU Builders
8520 Florence Avenue, Downey, CA 90240
Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.
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Golden View Renovation
1545 Berger Drive, San Jose, CA 95112
Golden View Renovation offers ADU design, room additions & full construction services in San Jose & the Bay Area. Services include permits, JADUs, remodeling & free consultations for homeowners seeking to expand living space.
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DeBrus Construction LLC
820 Arguello Boulevard, San Francisco, CA 94118
DeBrus Construction LLC is a San Francisco general contractor specializing in seismic retrofits, foundation repair, ADU construction, and home remodeling. Led by Malcolm DeBrus, the company handles mandatory soft story retrofits, garage conversions, and full remodels with transparent pricing.
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Ritz ADU Design Build
7878 Clairemont Mesa Boulevard, San Diego, CA 92111
RITZ ADU Design Build has served San Diego County since 1965, offering full-service ADU construction including granny flats, garage conversions, backyard offices & rental units. Expert planning, 3D design, permitting & builds that boost property value.
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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.