- › Detached ADU
- › Attached ADU
- › Garage Conversion
- › Basement Conversion
- › Junior ADU (JADU)
- › Prefab / Modular ADU
- › Tiny House
ADU Contractors near Corona, CA
Vertebrae
725 South Los Angeles Street, Los Angeles, CA 90014 41.3 milesVertebrae 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.
read moreNucave Construction Inc.
440 South Melrose Drive, Vista, CA 92081 49.8 milesExperienced ADU contractor offering a structured process: site assessment, custom design options, transparent cost estimates, permit guidance, and financing support. Specializing in detached ADUs, garage conversions, and in-law suites.
read moreCapital Construction
41558 Eastman Drive, Murrieta, CA 92562 27.6 milesCapital Construction Inc. is an experienced ADU contractor building detached ADUs, in-law suites, granny flats, and rental units. Licensed, bonded, and insured, they handle permitting, design, and construction while respecting budgets and timelines.
read moreAlbera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278 45.8 milesAlbera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.
read moreWillbii
2158 Huntington Drive, San Marino, CA 91108 36.4 milesWillbii 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 moreOrange County Construction
1173 North Red Gum Street, Anaheim, CA 92806 17.2 milesEsco Builders Inc
Downey, CA 90242 33.3 milesRevival Homes
1150 South Olive Street, Los Angeles, CA 90015 41.8 milesRevival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
read moreBeach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740 30.1 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 $1,200–$1,600/month.
read moreADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028 46.8 milesADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
read moreBourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651 26.1 milesBourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property value.
read moreSDS Homes
42400 Winchester Road, Temecula, CA 92590 35.9 milesSDS Homes Construction is a Temecula, CA design-build contractor specializing in ADUs, granny flats, and Casitas. They offer turnkey services from design to permitting and construction, serving Temecula and Murrieta homeowners.
read moreSan Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776 33.9 milesSan 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 moreLegacy Builders LA
Los Angeles, CA 41.1 milesLegacy 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 moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
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.