Attached ADU near Rancho Cucamonga, CA
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.<... read more
DREC Construction Services
15338 Central Avenue, Chino, CA 91710
12.5 miles
DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warr... read more
Fontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335
4.3 miles
Fontana General Contractors builds custom ADUs, including detached units, garage conversions, and in-law suites. They handle permits, zoning, and full construction management, helping property owners add value and flexible living space.
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Custom ADU Builder
Los Angeles, CA 90012
39 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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Dobson Construction Inc.
5021 Blum Road, Martinez, CA 94553
14.7 miles
Dobson Construction Inc. is a Bay Area ADU contractor with 16+ years of experience building home additions, detached ADUs, guest suites, and garage conversions. They handle design, permits, and construction for functional, value-adding residential... read more
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 $1,20... read more
Joel & Co. Construction
11693 San Vicente Boulevard, Los Angeles, CA 90049
41.4 miles
Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Sant... read more
California ADU Center INC
7542 Laurel Canyon Boulevard, Los Angeles, CA 91605
46.3 miles
California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU reg... read more
Vision ADU
1440 South State College Boulevard, Anaheim, CA 92806
28.4 miles
Vision ADU is a California ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They offer full-service design, permitting, and construction to help homeowners add value or rental income.
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ADU Palmdale
550 West Rancho Vista Boulevard, Palmdale, CA 93551
46.8 miles
ADU Palmdale builds Accessory Dwelling Units in Palmdale, CA & greater LA. Services include garage conversions, detached ADUs & attached units. Free estimates available for rental income, multigenerational living & property value growt... read more
Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
35.4 miles
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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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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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
41.5 miles
Structura Remodeling is an LA-based licensed ADU contractor specializing in Accessory Dwelling Units, garage conversions & JADUs. Costs range $115K–$145K. Financing options include HELOC & construction loans. Free consultation available.... read more
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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Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
41.7 miles
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
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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.