Attached ADU near Riverside, CA
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
41.2 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
Build ADU Home Remodel
4780 West Mission Boulevard, Montclair, CA 91762
19 miles
Build ADU Home Remodel is a trusted, licensed general contractor serving homeowners throughout the Inland Empire with full-service ADU construction. Whether you're looking to add rental income, house extended family, or increase your property valu... read more
Joseph Construction
4695 MacArthur Ct, Newport Beach, CA 92660
32.6 miles
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
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Xavier Design Group
11595 Autumn Sage Avenue, Temecula, CA 91752
9.3 miles
An accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.
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New Era Home Services
Long Beach, CA 90815
43.1 miles
New Era Home Services LLC is a full-service ADU builder specializing in custom accessory dwelling units, including granny flats, rental units, and garage conversions, guiding homeowners through design, permitting, and construction.
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San Gorgonio Builders
529 North 41 Street, Banning, CA 92220
27.1 miles
San Gorgonio Builders is a licensed General B contractor near Banning, CA, with 40+ years of experience. Specializing in ADU construction, garage conversions, custom homes, and remodeling across Riverside, San Bernardino, Orange, and Los Angeles C... read more
Legacy Builders LA
Los Angeles, CA
49.2 miles
Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.<... read more
UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
24.2 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
43.5 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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Ohayon Construction
Los Angeles, CA 90012
49.2 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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Oceanside ADU Design
3355 Mission Avenue, Aaronsburg, PA 92058
49.9 miles
Oceanside ADU Design is an Oceanside, CA firm specializing in detached, attached, garage conversion, and junior ADUs. Founded by structural engineer Devin, they handle architecture, engineering, and permitting in-house for efficient, budget-consci... read more
High Power Construction
3201 N Alameda St Suite E, Compton, CA 90222
47.6 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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Pomona General Contractors
3191 W Temple Ave Suite 130, Pomona, CA 91768
25.9 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 ... read more
The Sterling-Watson Collective
1441 Huntington Dr, 1900, South Pasadena, CA 91030
45 miles
Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more... read more
ADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846
38.2 miles
Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in Riverside, 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 Riverside 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.
Riverside 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 Riverside, California, and get started today.