Prefab / Modular ADU near Rancho Cucamonga, CA
Nagar Builders Inc.
6245 Wilshire Boulevard, Los Angeles, CA 90048
46.3 miles
Nagar Builders Inc. is a Los Angeles construction company offering ADU construction, garage conversions, kitchen and bathroom remodeling, room additions, roofing, electrical work, and commercial remodeling since 2019.
read more
BuildShure
401 Corporate Pointe, Culver City, CA 90230
47.9 miles
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
read more
Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
48.9 miles
Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months wit... read more
Avica Construction & Development Inc
357 West Route 66, Glendora, CA 91740
17 miles
Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & cons... read more
ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
27.7 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate ... read more
A1 ADU Contractor
13701 Riverside Drive #200, Sherman Oaks, CA 91423
48.5 miles
A1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to trans... read more
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
40.6 miles
ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
read more
Los Angeles Advanced ADU Builders
240 South Beverly Drive, Los Angeles, CA 90212
47.8 miles
Los Angeles Advanced ADU Builders offers full-service ADU construction across LA, including garage conversions, detached units, JADUs & prefab ADUs. With 20+ years experience & 500+ builds, they handle design, permits & zoning complian... read more
Full Circle Builders
26111 Ynez Road, Temecula, CA 92591
47.2 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.
read more
MyADU4Less
579 West County Line Road, Calimesa, CA 92320
29.3 miles
MyADU4Less is a Southern California ADU builder specializing in prefabricated accessory dwelling units. Offering models from 160–1,200 sq ft, they handle design, permitting, and construction. CalHFA grants up to $40,000 may apply.
read more
Paramount Manufactured Sales
11759 Magnolia Avenue, Riverside, CA 92503
15.8 miles
Paramount Manufactured Sales in Riverside offers Skyline Homes-built ADUs for Southern California homeowners in LA, Orange, Riverside, San Bernardino & San Diego Counties. Models range from 479–849 sq ft. California law now allows detached A... read more
ABODU
2028 Bay Street, Los Angeles, CA 90021
39 miles
ABODU offers factory-built, fire-resistant ADUs installed in a single day. HCD-approved and AB 462-compliant, their prefab units help wildfire rebuild families return home faster, with Certificates of Occupancy issued before primary dwelling compl... read more
US Modular Inc.
579 West County Line Road, Calimesa, CA 92320
29.3 miles
US Modular Inc. is a trusted ADU builder in Riverside County, CA, with 35+ years of experience. They offer prefab ADUs, garage conversions & casitas starting at $150,000, completed in 6–9 months.
read more
Ghouse Technologies
20720 Ventura Blvd Suite 100, Los Angeles, CA 91364
49.3 miles
Ghousetechnologies is a California ADU contractor offering steel frame accessory dwelling units. Models range from 360–1,200 sq ft. Builds are fire, flood, earthquake, and hurricane-resistant, eco-friendly, and completed faster than traditional ... read more
California Backyard Homes Inc
6230 Wilshire Boulevard, Los Angeles, CA 90048
45.9 miles
California Backyard Homes Inc specializes in prefab ADUs, tiny houses, and modular homes across California. Starting from $44,500, they offer turnkey installation including permits and utility connections, with financing available up to 23 years.<... read more
Other cities in California
What you need to know
Searching for top Prefab / Modular 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 Prefab / Modular 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 Prefab / Modular 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 Prefab / Modular ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Prefab / Modular ADU ADU Contractors in Rancho Cucamonga, California, and get started today.