Detached ADU in California
Golden State Buildings LLC
16178 E Kings Canyon Rd, Sanger, CA CA 93657
Golden State Buildings LLC, based in Sanger, CA, builds ADUs across Central California. They offer 4 floor plans (420–1,200 sq ft), handle permits, and provide financing options. Free delivery within 50 miles.
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Xavier Design Group
11595 Autumn Sage Avenue, Temecula, CA 91752
An accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.
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C.J. Skeeles General Contractor
24845 Canyon View Court, Hayward, CA 94541
C.J. Skeeles General Contractor specializes in ADU construction in Hayward, Oakland & San Francisco, CA. Services include detached ADUs, garage conversions & interior conversions, all built to California zoning & permitting requirement... read more
Romy Construction Inc
612 Miller Avenue, South San Francisco, CA 94080
Belz Construction
8863 Greenback Lane, Orangevale, CA 95662
Belz Construction is a Sacramento ADU contractor building custom accessory dwelling units, in-law suites, garage conversions, and ADA-compliant granny flats. They manage design, permits, and construction end-to-end, boosting property value by up t... read more
Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,20... read more
Sideline Builders Inc
4676 Hessel Road, Sebastopol, CA 95472
If you’re considering adding an accessory dwelling unit to your home, contact your local ADU contractors near Sebastopol: Sightline Builders. Locally owned and operated in Sonoma County, they have over 28 years of experience in the construction ... read more
ADU by Kn Remodeling
19709 Ventura Boulevard, Woodland Hills, CA 91364
KN Remodeling is a certified ADU contractor serving Los Angeles, Woodland Hills, Simi Valley & Thousand Oaks. Specializing in detached ADUs, attached ADUs & garage conversions, they handle design, permits & construction with 100+ ADU p... read more
Dream Build Services
3654 Thornton Ave, Fremont, CA 94536
Dream Build Services is a full-service ADU contractor in Fremont, CA, offering detached ADUs, garage conversions, basement conversions, and JADUs. Services include design, permits, electrical, plumbing, HVAC, and solar integration across the East ... read more
Home Quality Remodeling
3033 Moorpark Avenue, San Jose, CA 95128
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across California and New Jersey.
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Landmark Building Inc
Los Angeles, CA 90027
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free es... read more
LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project... read more
Roman Built Development
1276-D Auto Park Way, San Diego, CA 92029
Zume Builders
1670 S Amphlett Blvd, Suite 214-20, San Mateo, CA 94402
Zume Builders, based in San Mateo, CA, specializes in custom homes, ADUs, and prefab construction across the Peninsula, serving Atherton, Palo Alto, Hillsborough & more.
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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 timeline... read more
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.