Attached ADU near Rancho Cucamonga, CA
The ADU Guru
3438 Troy Drive, Los Angeles, CA 90068
47.2 miles
The ADU Guru is a full-service ADU contractor in Los Angeles & Orange County, specializing in garage conversions, detached ADUs & granny flats. With 100+ units completed, they offer $0 down, free 3D design & tenant placement.
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Esco Builders Inc
Downey, CA 90242
35.7 miles
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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SouthStar USA
1611 Pomona Road, Corona, CA 92878
16.8 miles
SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.
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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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Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
46.5 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
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DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
46.9 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.
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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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Doran Companies LLC
1041 N Cypress St, La Habra, CA 90631
26.1 miles
At Doran Companies LLC, we specialize in creating accessory dwelling units (ADUs) that are not just spaces, but extensions of your home’s character. Whether you’re considering garage conversions, new construction, or in-law suites, our expertise ensures a seamless blend of functionality and aesthetics.
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EG Modern Construction
421 East Elmwood Avenue, Burbank, CA 91501
42.2 miles
EG Modern Construction offers full-service ADU design and construction in Los Angeles, including detached ADUs, garage conversions, and JADUs. Licensed and insured, they manage consultation, permitting, and build completion.
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High Power Construction
3201 N Alameda St Suite E, Compton, CA 90222
40.8 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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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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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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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
29.1 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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R Remodeling
6745 Washington Avenue, Whittier, CA 90601
28.9 miles
R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.
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Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in Rancho Cucamonga, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in Rancho Cucamonga 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 Attached ADU professionals can guide you through every step.
Rancho Cucamonga homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Rancho Cucamonga, California, and get started today.