ADU Contractors near Corona, CA
Next Level ADU Builders
8520 Florence Avenue, Downey, CA 90240
32.6 miles
Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.
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Fassino Development
4275 Linda Vista Drive, Fallbrook, CA 92028
43.1 miles
California ADUs are self-contained units on single-family lots, offering rental income, family housing, and no land purchase. Build up to 1,200 sq ft. Fassino Development guides homeowners through ADU construction, ensuring local code compliance.
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DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
47.8 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.
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Iron Man Construction
930 North Doheny Drive, Los Angeles, CA 90069
49.7 miles
LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
32.8 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project support.
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ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805
20.9 miles
ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
47.8 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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ADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710
13.1 miles
Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
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J&I Construction
10054 Alondra Boulevard, Bellflower, CA 90706
32.2 miles
J&I Construction is a trusted ADU contractor offering full-scope accessory dwelling unit services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Free consultations available.
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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
21.5 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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Vertebrae
725 South Los Angeles Street, Los Angeles, CA 90014
41.3 miles
Vertebrae is an LA-based, woman-owned architecture studio founded in 2012, specializing in ADU design and small-space living. Award-winning projects include the 2025 Architizer A+ Award and 2023 AIA LA Honor Award winners.
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Doza Build
1680 Camino Real, San Bernardino, CA 92408
49.1 miles
Doza Build Inc. serves San Bernardino & Riverside County, CA, with 30+ years in construction. Services include ADU construction, garage conversions, remodeling, plumbing, electrical, flooring & more. Free estimates available.
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Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
42.6 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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Los Angeles Advanced ADU Builders
240 South Beverly Drive, Los Angeles, CA 90212
49.8 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 compliance.
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Full Circle Builders
26111 Ynez Road, Temecula, CA 92591
32.5 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.
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Other cities in California
What you need to know
ADU Contractors in Corona, CA: Building in the Crossroads of the Inland Empire
Corona, California, strategically located in Riverside County at the western edge of the Inland Empire, is one of the fastest-growing cities in Southern California. With its proximity to Orange County and Los Angeles, Corona has seen a significant surge in housing demand, making Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners looking to maximize their property value and address housing needs. Experienced ADU contractors in Corona, CA understand the unique dynamics of this city, from its suburban neighborhoods to its hillside properties near the Cleveland National Forest.
Corona ADU Regulations and Permitting Process
Working with a knowledgeable ADU contractor in Corona is essential for navigating the city's specific permitting requirements. Corona's Building and Safety Division oversees ADU permits, and contractors must comply with both California state ADU laws and local municipal codes. 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 setback from rear and side property lines is required for most detached ADUs.
- 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 Corona homeowners more flexibility.
- Parking: ADUs within half a mile of public transit may be exempt from additional parking requirements.
Types of ADUs Built by Corona Contractors
Skilled ADU builders in Corona offer a variety of construction options tailored to the city's diverse housing stock, which includes ranch-style homes, newer tract developments, and custom hillside properties. Common ADU types include:
- Detached ADUs: Standalone structures in the backyard, ideal for larger lots common in areas like South Corona.
- Attached ADUs: Additions connected to the primary residence, popular in established neighborhoods.
- Garage Conversions (JADUs): Converting existing garages into Junior ADUs, a cost-effective option widely used throughout Corona.
- Interior Conversions: Transforming existing interior space, such as a basement or large room, into a separate living unit.
Why Hire a Local ADU Contractor in Corona?
Choosing a local ADU contractor in Corona, California provides significant advantages. Local professionals are familiar with Corona's specific soil conditions, HOA restrictions common in communities like Sycamore Creek and Dos Lagos, and the city's utility connection requirements. They maintain established relationships with the City of Corona's Building and Safety Department, which can help streamline the approval process and avoid costly delays.
Whether you're looking to generate rental income, house extended family, or increase your property's resale value, partnering with an experienced Corona ADU contractor ensures your project is completed efficiently, on budget, and fully compliant with all applicable codes.