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Attached ADU near Riverside, CA
iHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832 31.8 milesiHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.read more
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755 44.8 milesADUs 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 moreJL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506 3.3 milesAn 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.
read moreOrange County Construction
1173 North Red Gum Street, Anaheim, CA 92806 27.6 milesDREC Construction Services
15338 Central Avenue, Chino, CA 91710 17.1 milesDREC 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
Sennikoff Architects
5500 2nd Street, Long Beach, CA 90803 44.1 milesSennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with f... read more
Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832 30.8 milesFull-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. R... read more
Fullerton ADU Builder
125 North Euclid Street, Fullerton, CA 92832 31.7 milesFullerton ADU Builder offers expert ADU construction services including detached ADUs, garage conversions, JADUs, in-law suites & home additions. 10+ years experience, licensed & insured, transparent pricing, free consultations & full ... read more
Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740 40.8 milesBeach 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
Infinity ADU
645 West 15th Street, Long Beach, CA 90813 47.1 milesInfinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.... read more
Homeplex
421 West Broadway, Long Beach, CA 90802 47.5 milesPrefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
read moreJohn Christopher Construction
2246 Newport Blvd Unit A, Costa Mesa, CA 92627 34.5 milesJohn Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-... read more
R Remodeling
6745 Washington Avenue, Whittier, CA 90601 35.9 milesR 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 disrup... read more
OC Builders Group
600 West Santa Ana Boulevard, Santa Clara, CA 92701 30.6 milesOC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing va... read more
Other cities in California
- North Highlands
- Sacramento
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- Encino
- Los Angeles
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- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
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.