ADU Contractors near Rancho Cucamonga, CA
Avorino
360 E 1st St #355, Tustin, CA 92780
30 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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Long Beach Elite ADU Solutions
245 East 3rd Street, Long Beach, CA 90802
42.9 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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Doobek Builders
5308 Derry Avenue, Los Angeles, CA 91301
48.9 miles
Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
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Lion Builder Construction
777 West 19th Street, Costa Mesa, CA 92627
39.3 miles
Lion Builder Construction is a Southern California contractor serving Orange, LA, and Riverside Counties, plus Maricopa County, AZ. They specialize in new homes, ADUs, and kitchen remodels, offering a one-stop-shop approach.
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Liebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069
46.7 miles
Liebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
18.1 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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Pomona General Contractors
3191 W Temple Ave Suite 130, Pomona, CA 91768
15.5 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 suites, and backyard cottages.
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Pixel Arch LLC
24001 Calle De La Magdalena, Laguna Hills, CA 92653
36.6 miles
Pixel Arch LLC, Glendale CA, offers residential architecture services including custom home design, ADUs, garage conversions, duplexes & remodeling. Permit-ready plans, Title 24 reports & 3D renderings for California clients.
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MGMW Remodeling
11041 Santa Monica Blvd #301, Los Angeles, CA 90025
41.6 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.
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AMG Construction
4237 West 142nd Street, Long Beach, CA 90250
39.4 miles
AMG Construction INC offers residential & commercial remodeling, new builds, ADU construction, room additions, and roofing services. Licensed and insured, they handle full projects from design to completion.
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Next Level ADU Builders
8520 Florence Avenue, Downey, CA 90240
34.5 miles
Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.
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San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
30.2 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.
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Pasadena Master ADU Builder
930 East Colorado Boulevard, Pasadena, CA 91106
31.6 miles
Pasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting property value by 20–30%.
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Builderwell
9641 Irvine Center Drive, Irvine, CA 92618
33.4 miles
Builderwell is an ADU contractor in Orange County, CA, offering full-service design-build solutions for custom accessory dwelling units, including guest houses, in-law suites, and rental units across Irvine, Newport Beach, and Laguna Hills.
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JL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506
19.4 miles
An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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Other cities in California
What you need to know
ADU Contractors in Rancho Cucamonga: Building in the Inland Empire's Premier City
Rancho Cucamonga, nestled at the foothills of the San Gabriel Mountains in San Bernardino County, is one of Southern California's most desirable cities. Known for its master-planned communities, excellent schools, and proximity to both Los Angeles and the Inland Empire's business hubs, this city presents unique opportunities for homeowners looking to maximize their property value. ADU contractors in Rancho Cucamonga are in high demand as residents seek to add accessory dwelling units to their properties, whether for rental income, multigenerational living, or increased home equity.
Understanding Rancho Cucamonga's ADU Regulations
Before breaking ground, it's essential to understand the local rules governing ADU construction in Rancho Cucamonga. The city follows California's statewide ADU laws (AB 68, AB 881, and SB 13), but also enforces its own municipal guidelines. Key regulations include:
- ADUs can be attached or detached from the primary residence
- Maximum ADU size is generally up to 1,200 square feet for detached units
- Junior ADUs (JADUs) are permitted up to 500 square feet within the existing home footprint
- Setback requirements typically require a minimum of 4 feet from rear and side property lines
- Owner-occupancy requirements have been relaxed per state law through 2025
- Separate utility connections may be required depending on the unit type
Why Hire a Local ADU Contractor in Rancho Cucamonga?
Working with an experienced ADU contractor familiar with Rancho Cucamonga is critical to a smooth building process. Local contractors understand the city's specific permitting process through the Community Development Department, as well as the soil and grading considerations unique to properties near the Cucamonga-Guasti Regional Park area and the alluvial fan terrain at the base of the mountains. They are also familiar with HOA restrictions that are common in Rancho Cucamonga's many planned communities, which can add an additional layer of approval requirements beyond city permits.
The ADU Building Process in Rancho Cucamonga
A qualified ADU contractor will guide homeowners through every step of the process, including:
- Initial site assessment and feasibility study
- Architectural design and drafting of plans
- Submission of permit applications to the City of Rancho Cucamonga
- Coordination with utility providers such as Southern California Edison and Cucamonga Valley Water District
- Construction and inspections
- Final certificate of occupancy
Maximize Your Investment with a Rancho Cucamonga ADU
With the Rancho Cucamonga real estate market remaining competitive and rental demand strong throughout San Bernardino County, adding an ADU is a smart financial move. Experienced ADU contractors in Rancho Cucamonga can help you navigate local regulations, manage construction timelines, and deliver a high-quality unit that adds lasting value to your property. Contact a licensed local ADU contractor today to get started on your project.