Junior ADU (JADU) near Fontana, CA
Motif Architecture
30211 Avenida De Los Banderas #200, Rancho Santa Margarita, CA 92688
32.9 miles
Motif Architecture offers ADU, JADU, and garage conversion design services in Orange County, CA. Their five-phase process covers space planning, permitting, and construction. Projects include backyard cottages and garage-to-ADU conversions in Cost... read more
Long Beach Elite ADU Solutions
245 East 3rd Street, Long Beach, CA 90802
47.1 miles
Long Beach Elite ADU Solutions specializes in ADU construction and garage conversions in Long Beach, CA. Services include detached ADUs, JADUs, basement and above-garage units. 15+ years experience, 150+ completed projects.
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Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
35.8 miles
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
24 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832
30.9 miles
Full-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. R... read more
Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
45.9 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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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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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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ADU Designers & Builders
2461 East Orangethorpe Avenue, Fullerton, CA 92831
30.8 miles
ADU Designers & Builders is a full-service ADU contractor in Fullerton, CA, offering detached ADUs, garage conversions, attached ADUs & JADUs across Southern California, with expert design, permitting, solar integration & 0% financing ... read more
The ADU Pro
15338 Central Avenue, Chino, CA 91710
15.6 miles
The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.read more
ADU Cities
1420 East Katella Avenue, Anaheim, CA 92867
31.7 miles
ADU Cities is a California design-build firm specializing in ADUs, JADUs, garage conversions, and remodels. They manage design, permitting, and construction, helping homeowners add living space, boost property value, or generate rental income.
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Joseph Construction
4695 MacArthur Ct, Newport Beach, CA 92660
37.4 miles
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
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CCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316
49.1 miles
CCS Inc (CSLB #B1047699) is a licensed LA general contractor since 1984 specializing in ADU construction, garage conversions, and room additions. They manage design, permitting, and build, with ADUs generating up to $3,500/month rental income.
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Fullerton ADU Builder
125 North Euclid Street, Fullerton, CA 92832
31.7 miles
Fullerton ADU Builder offers expert ADU construction services including detached ADUs, garage conversions, JADUs, in-law suites & home additions. 10+ years experience, licensed & insured, transparent pricing, free consultations & full ... read more
Socal Upgrades ADU
1288 North Verdugo Road, Glendale, CA 91206
44.2 miles
SoCal Upgrades is a full-service ADU contractor in Los Angeles & Glendale, specializing in detached ADUs, garage conversions, JADUs & granny flats. They handle design, permits, construction & financing for a seamless, turnkey experience.
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Other cities in California
What you need to know
Searching for top Junior ADU (JADU) 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 Junior ADU (JADU) 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 Junior ADU (JADU) 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 Junior ADU (JADU) experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Junior ADU (JADU) ADU Contractors in Fontana, California, and get started today.