ADU Contractors near Rancho Cucamonga, CA
ADU Construction OC
San Clemente, CA 92705
48.3 miles
ADU Construction OC specializes in accessory dwelling units in San Clemente, CA. Services include detached ADUs, garage conversions, above-garage ADUs & JADUs. Founded by Jed Stamen with 30+ years experience.
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ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805
30.2 miles
ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.
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CarbonShack Design
715 Cypress Avenue, Los Angeles, CA 90065
37.7 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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UADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035
47.2 miles
UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
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Angelus Construction
330 Arden Avenue, Glendale, CA 91203
39.5 miles
Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
42 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.
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The ADU Pro
15338 Central Avenue, Chino, CA 91710
12.5 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.
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EZ ADU & Garage Conversion
300 South Harbor Boulevard, Anaheim, CA 92805
28.6 miles
EZ ADU & Garage Conversion is a trusted ADU builder and garage conversion contractor in Orange County, CA. They offer custom ADU construction, garage conversions, design, and permitting services for homeowners seeking quality living space solutions.
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FabuHome
9451 Telstar Avenue, El Monte, CA 91731
28.4 miles
FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.
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The ADU Builder Inc
3639 Atlantic Avenue, Long Beach, CA 90807
41.7 miles
Los Angeles ADU contractor The ADU Builder offers 10+ years of experience in ADU construction, garage conversions, JADUs, custom homes & remodels. They guide clients through design, permits, financing & building with quality craftsmanship.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
31.2 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income.
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Levatto Construction
1657 Camelot Dr, Redlands, CA 92374
24.8 miles
Levatto Construction offers ADU construction in Redlands, CA, including granny flats, garage conversions, backyard cottages & attached units. Code-compliant builds tailored to your property goals.
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Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
38.1 miles
Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,200–$1,600/month.
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RIA Group Construction
26632 Towne Centre Dr # 300, Foothill Ranch, CA 92610
31.6 miles
RIA Group Construction (CA Lic. #1143899) is a full-service design-build contractor in Orange County, CA. Specializing in home renovations, new builds, ADUs, kitchen & bathroom remodeling, and pool construction.
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Cahla Construction Group
12207 Hawthorne Boulevard, Hawthorne, CA 90250
47.1 miles
Cahla Construction Group is a licensed ADU contractor in Los Angeles offering ADU construction, garage conversions, kitchen & bathroom remodeling, home additions, and general contracting for residential and commercial clients.
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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.