ADU Contractors near Riverside, CA
MTZ Contractors
3515 Atlantic Avenue, Long Beach, CA 90807
46.3 miles
Looking for the best ADU construction? Choose Mtz Contractors Inc to completely transform your property, known for constructing excellent ADUs in Long Beach CA. We create and build Accessory Dwelling Units that meet your precise requirements for q... read more
DREC Construction Services
15338 Central Avenue, Chino, CA 91710
17.1 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
USModular Inc.
579 West County Line Road, Calimesa, CA 92320
18.8 miles
USModular Inc. is a Temecula, CA ADU builder specializing in modular, prefabricated construction. Units are up to 90% factory-built, completed in ~120 days, and comply with IRC and local codes. Services include feasibility studies, design, enginee... read more
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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NAMA Construction
62 Sundance Dr, Pomona, CA 91766
22.9 miles
NAMA Construction is a family-owned Los Angeles remodeling company with 75 years of experience. Services include ADU construction, kitchen & bathroom remodeling, whole house renovations, flooring, and painting across Greater LA.
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Easton Designs
960 North Tustin Street, Orange, CA 92867
28.5 miles
Easton Designs and Consulting (EDC) is an Orange County, CA home design, architecture, and remodeling firm. Services include ADU construction, kitchen remodels, room additions, pools, and outdoor living. Free consultations available.
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LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
37.5 miles
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to co... read more
ABODU
2028 Bay Street, Los Angeles, CA 90021
49.2 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
Orange County Construction
1173 North Red Gum Street, Anaheim, CA 92806
27.6 miles
Custom ADU Builder
Los Angeles, CA 90012
49.2 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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Custom Home Builders Malibu
42400 Winchester Road, Temecula, CA 92590
34.2 miles
Custom Home Builders Malibu specializes in ADU construction, backyard Casitas & granny flats. They offer turnkey design-build services, handling permits & compliance with California ADU laws for legal, independent living spaces.
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ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
43.2 miles
ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.
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ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
44.8 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.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
43.1 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income... read more
Cornejos Builders
8909 Elmont Avenue, Downey, CA 90240
41.4 miles
Cornejos Builders offers ADU construction, garage conversions & home additions in LA & Orange County. 24 ADUs completed in 4 years. Costs range $80K–$250K. Licensed, insured, bonded. 1-year warranty included.
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Other cities in California
What you need to know
ADU Contractors in Riverside, CA: Building in the Inland Empire's Largest City
Riverside, California, the seat of Riverside County and one of the largest cities in the Inland Empire, has seen a significant surge in Accessory Dwelling Unit (ADU) construction in recent years. As housing demand continues to grow in Southern California, Riverside homeowners are increasingly turning to experienced ADU contractors to maximize their property's potential. With its mix of historic neighborhoods, spacious lots, and a relatively lower cost of living compared to coastal cities, Riverside presents unique opportunities for ADU development.
Riverside ADU Regulations and Permitting Requirements
Before breaking ground, ADU contractors in Riverside must navigate the city's specific zoning and building codes. Riverside follows California's statewide ADU laws while also enforcing local ordinances. Key regulations include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot rear and side yard setback is required for most ADU types.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though this can vary by zone.
- Owner-occupancy: As of 2020, California state law removed owner-occupancy requirements, giving Riverside homeowners more flexibility.
- Parking: In many cases, no additional parking is required for ADUs located near public transit or within certain zones.
Types of ADUs Built by Riverside Contractors
Experienced ADU builders in Riverside are well-versed in constructing a variety of unit types to suit different property configurations and homeowner goals. Common ADU types in Riverside include:
- Detached ADUs: Standalone structures built in the backyard, ideal for Riverside's larger residential lots.
- Attached ADUs: Units added directly to the existing home, sharing at least one wall.
- Garage Conversions: Converting existing garages into livable space, a popular and cost-effective option.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing home's footprint.
Why Hire a Local ADU Contractor in Riverside?
Hiring a local ADU contractor in Riverside, CA offers distinct advantages. Local professionals are familiar with the City of Riverside's Building and Safety Division permitting process, which helps streamline approvals and avoid costly delays. They also understand the region's climate considerations, including the hot summers typical of the Inland Empire, ensuring proper insulation and energy-efficient design that meets California's Title 24 energy standards.
Costs and Investment Value of ADUs in Riverside
The cost of building an ADU in Riverside typically ranges from $100,000 to $300,000 depending on size, type, and finishes. Given Riverside's growing rental market and proximity to UC Riverside and major employment centers, a well-built ADU can generate significant rental income, making it a smart long-term investment for homeowners throughout the city.