ADU Contractors near Fontana, CA
High Power Construction
3201 N Alameda St Suite E, Compton, CA 90222
45.9 miles
High Power Construction, based in Compton, CA, offers ADU contractor services including detached units, garage conversions, granny flats, and in-law suites. Serving the greater Los Angeles area with quality craftsmanship.
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Full Circle Builders
26111 Ynez Road, Temecula, CA 92591
42.8 miles
Full Circle Builders offers custom ADU construction in Riverside County & the Inland Empire. Detached ADUs start at $185,000 (590 sq ft, 1BD/1BA). Container homes also available. Turn-key builds, permitting assistance included.
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ADU's by Design
3600 Lime Street, Riverside, CA 92501
9.5 miles
ADU's by Design is an Inland Empire ADU contractor serving Riverside & San Bernardino County. They offer full-service accessory dwelling unit design & construction, including detached ADUs, garage conversions, remodeling & architectura... read more
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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DYM Builders
2372 Morse Avenue, Los Angeles, CA 92614
36.4 miles
DYM Builders is an ADU contractor in Los Angeles & Orange County, CA, offering design, permitting & construction services for detached ADUs, garage conversions, attached units & tiny homes since 2016.
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Rockwood Homes
10017 Walnut Street, Bellflower, CA 90706
40.7 miles
Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.
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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
32.8 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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Pomona General Contractors
3191 W Temple Ave Suite 130, Pomona, CA 91768
21 miles
Pomona General Contractors offers ADU construction in Pomona, including detached ADUs, attached ADUs, and garage conversions. Services cover permitting, 3D design, energy-efficient builds, and full construction management for granny flats, in-law ... read more
Peck General Construction
18734 Lilac Street, Hesperia, CA 92345
25.5 miles
Peck General Construction builds ADUs in Orange County, Los Angeles & Inland Empire. Services include garage conversions, detached backyard cottages & granny flats. Full-service from permits to final inspection under a Design-Build model.<... read more
Jean Prescott Studio
120 Newport Center Dr, Newport Beach, CA 92660
41.2 miles
Jean Prescott Studio offers ADU design, construction, and home remodeling services in San Clemente. Services include kitchen remodels, bathroom renovations, room additions, permit management, and custom ADU plans for rental income or flexible livi... read more
Homeplex
421 West Broadway, Long Beach, CA 90802
48 miles
Prefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
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Superior ADUs
6 Venture, Irvine, CA 92618
34.6 miles
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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CarbonShack Design
715 Cypress Avenue, Los Angeles, CA 90065
43.7 miles
CarbonShack Design offers expert ADU design services in Los Angeles, specializing in accessory dwelling units, detached ADUs, granny flats & in-law suites. Carbon-conscious building practices & design-first approach set them apart.
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ADU Maxx
4401 Atlantic Avenue, Long Beach, CA 90807
45.7 miles
LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
30.9 miles
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to co... 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.