Detached ADU near Fontana, CA
ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
30.9 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate ... read more
Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
43.9 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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MyADU4Less
579 West County Line Road, Calimesa, CA 92320
22.9 miles
MyADU4Less is a Southern California ADU builder specializing in prefabricated accessory dwelling units. Offering models from 160–1,200 sq ft, they handle design, permitting, and construction. CalHFA grants up to $40,000 may apply.
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Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
41.9 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
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UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
20.6 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
Okopod
307 North Euclid Way, Anaheim, CA 92801
31.6 miles
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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Herbertson OG
6306 DOWNEY St, Riverside, CA 92509
8.7 miles
Herbertson OG is a construction and solar company offering ADU building, remodeling, new construction, roofing, HVAC, and solar panel installation. They serve homeowners, investors, and designers across residential and commercial projects.
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San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
36.2 miles
San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.<... read more
ADU Conversion
Los Angeles, CA
44.9 miles
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners s... read more
Landmark Building Inc
Los Angeles, CA 90027
47.7 miles
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
Papaya Construction
2020 Main Street, Irvine, CA 92614
36.4 miles
Papaya Construction Group is a licensed design-build ADU contractor in Orange County, CA. Founded in 2018, they offer detached ADUs, garage conversions, attached units & above-garage builds across Irvine, Anaheim & more.
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Ted Design Build
513 West Wilson Avenue, Los Angeles, CA 91203
45.9 miles
Ted Design Build is an LA-based ADU contractor offering full-service design, permitting, and construction. Specializing in detached ADUs, garage conversions, and in-law suites across Los Angeles and Glendale.
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ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
49.9 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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GoAdu Construction
1812 West Burbank Boulevard, Burbank, CA 91506
49.1 miles
Experience a personalized approach to ADU construction with GO ADU. From initial design concepts to permits, construction, and financing, we offer a seamless, all-in-one solution customized to your needs. With owner involvement at every stage, you... read more
ADU Professionals
8175 Limonite Avenue, Corona, CA 92509
8.2 miles
ADU Professionals, Corona CA, builds custom Accessory Dwelling Units since 1999. Offering floor plans from 500–1,200 sq ft, including detached ADUs, granny flats & in-law suites for rental income or multigenerational living.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Fontana, 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 Fontana 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.
Fontana 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 Fontana, California, and get started today.