ADU Contractors near Fontana, CA
Avorino
360 E 1st St #355, Tustin, CA 92780
31.9 miles
Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.
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MGMW Remodeling
11041 Santa Monica Blvd #301, Los Angeles, CA 90025
47.6 miles
MGMW Remodeling INC is a Los Angeles ADU contractor specializing in accessory dwelling units. Services include detached ADU construction, garage conversions, architectural design, permitting, and full project management from planning to completion... read more
Foothill Renovators
2541 Charford Street, Glendora, CA 91740
23.3 miles
Foothill Renovators offers home remodeling, ADU construction, new builds, and additions. Services include flooring, roofing, electrical, plumbing, and more. They handle permits and full project management for detached ADUs, granny flats, and garag... read more
ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
46.2 miles
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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J&I Construction
10054 Alondra Boulevard, Bellflower, CA 90706
40.7 miles
J&I Construction is a trusted ADU contractor offering full-scope accessory dwelling unit services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Free consultations available.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
47.7 miles
Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.read more
Infinity ADU
645 West 15th Street, Long Beach, CA 90813
47.3 miles
Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.... 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
Zieba Builders
1390 East Burnett Street, Signal Hill, CA 90755
45.5 miles
Zieba Builders, a Southern California design-build firm, was named one of the top 7 ADU contractors in Long Beach by Home Builder Digest. They specialize in custom homes, garage conversions, granny flats & detached ADUs.
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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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Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
45 miles
Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consult... 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
ADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846
39.5 miles
Aspace Studios
p.o. box 851, Glendora, CA 91741
23.4 miles
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
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Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
43.4 miles
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
Other cities in California
What you need to know
ADU Contractors in Fontana, CA: Building in the Inland Empire's Fastest-Growing City
Fontana, California, is one of the fastest-growing cities in the Inland Empire, with a population exceeding 215,000 residents. As housing demand continues to surge in San Bernardino County, more homeowners are turning to Accessory Dwelling Units (ADUs) as a practical solution to increase housing capacity and generate rental income. Finding experienced ADU contractors in Fontana, CA is essential to navigating the city's specific permitting requirements and building codes while maximizing the value of your property.
Fontana ADU Regulations and Permitting Requirements
ADU construction in Fontana is governed by both California state ADU laws and local ordinances enforced by the City of Fontana's Community Development Department. Homeowners and contractors must comply with the following key regulations:
- Setback requirements: ADUs in Fontana typically require a minimum 4-foot setback from side and rear property lines.
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though two-story ADUs may be permitted in certain zones.
- Owner-occupancy: California law currently does not require owner-occupancy for ADUs built after 2020, giving Fontana homeowners greater flexibility.
- Utility connections: ADUs may require separate utility connections, and contractors must coordinate with local utility providers serving the Fontana area.
Why Hire a Local ADU Contractor in Fontana?
Working with a licensed ADU contractor familiar with Fontana's building department can significantly streamline the construction process. Local contractors understand the specific soil conditions common in the Inland Empire, the high desert climate considerations that affect insulation and HVAC requirements, and the nuances of working within Fontana's zoning districts. A knowledgeable contractor will handle everything from architectural plans and permit applications to final inspections, ensuring your project meets all California Title 24 energy compliance standards.
Types of ADUs Popular in Fontana
Given Fontana's suburban layout and larger lot sizes compared to coastal California cities, several ADU types are particularly popular among local homeowners:
- Detached ADUs: Standalone units built in the backyard, ideal for Fontana's spacious residential lots.
- Garage Conversions: Converting existing attached or detached garages into livable ADU space.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of the primary home.
- Attached ADUs: Additions built directly onto the primary residence, sharing at least one wall.
Start Your Fontana ADU Project Today
Investing in an ADU in Fontana is a smart financial decision in today's competitive Inland Empire real estate market. Whether you're looking to house extended family or generate rental income, hiring a qualified ADU contractor in Fontana, CA ensures your project is completed on time, on budget, and fully compliant with all local and state regulations.