ADU Contractors near Irvine, CA
Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832
15.9 miles
Full-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. Rental prep support available.
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ADU Builder LA
126 West Elm Court, Burbank, CA 91502
46.4 miles
ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, garage conversions, and JADUs.
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Pixel Arch LLC
24001 Calle De La Magdalena, Laguna Hills, CA 92653
6 miles
Pixel Arch LLC, Glendale CA, offers residential architecture services including custom home design, ADUs, garage conversions, duplexes & remodeling. Permit-ready plans, Title 24 reports & 3D renderings for California clients.
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EZ ADU & Garage Conversion
300 South Harbor Boulevard, Anaheim, CA 92805
13.5 miles
EZ ADU & Garage Conversion is a trusted ADU builder and garage conversion contractor in Orange County, CA. They offer custom ADU construction, garage conversions, design, and permitting services for homeowners seeking quality living space solutions.
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Fontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335
33.7 miles
Fontana General Contractors builds custom ADUs, including detached units, garage conversions, and in-law suites. They handle permits, zoning, and full construction management, helping property owners add value and flexible living space.
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G&M Home Remodeling
4902 Coldwater Canyon Avenue, Sherman Oaks, CA 91423
49.5 miles
G&M Home Remodeling is a trusted ADU contractor in Los Angeles offering detached ADUs, garage conversions, granny flats, and JADUs. Based in Sherman Oaks, they handle permitting, design, and construction across the greater LA area.
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California ADU Experts
111 East Cedar Avenue, Burbank, CA 91502
46.1 miles
California ADU Experts simplify the complexities of ADU development with a full-service approach encompassing everything from design and architecture to permitting and construction.
Their goal is to provide a streamlined experience tailored to your specific requirements. They're committed to turning your vision into reality and ensuring you enjoy the journey while achieving outstanding results.
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Homeplex
421 West Broadway, Long Beach, CA 90802
25.2 miles
Prefab 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.
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A1 ADU Contractor
13701 Riverside Drive #200, Sherman Oaks, CA 91423
49.5 miles
A1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to transform underutilized spaces into beautiful, functional living areas. Whether you're creating a rental unit, guest house, home office, or multi-family dwelling, we deliver high-quality craftsmanship and personalized solutions tailored to your needs.
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Youngren Construction
220 Ohearn Road, Fallbrook, CA 92028
37 miles
Youngren Construction builds attached & detached ADUs, including backyard cottages, granny flats & casitas. Ideal for in-law suites, rental income or extra living space. Expert ADU contractor managing projects from planning to completion.
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Rockwood Homes
10017 Walnut Street, Bellflower, CA 90706
24.3 miles
Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.
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MyADU4Less
579 West County Line Road, Calimesa, CA 92320
45.9 miles
MyADU4Less is a Southern California ADU builder specializing in prefabricated accessory dwelling units. Offering models from 160–1,200 sq ft, they handle design, permitting, and construction. CalHFA grants up to $40,000 may apply.
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Build ADU Home Remodel
4780 West Mission Boulevard, Montclair, CA 91762
26.6 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 value, we build ADUs that meet your needs and exceed your expectations.
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Musick Construction Inc.
1818 Peacock Boulevard, Oceanside, CA 92056
43.1 miles
Musick Construction Inc. offers ADU construction services including new builds and conversions like garage and basement conversions. They handle permits, design, and finishes for granny flats, in-law suites, and rental units.
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Easton Designs
960 North Tustin Street, Orange, CA 92867
9.1 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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Other cities in California
What you need to know
ADU Contractors in Irvine, CA: Building in a Master-Planned City
Irvine, California is one of the most meticulously planned cities in the United States, developed largely by the Irvine Company with strict architectural guidelines and community standards. This unique characteristic makes hiring experienced ADU contractors in Irvine especially important. Unlike many other Southern California cities, Irvine's neighborhoods are governed not only by city zoning codes but also by Homeowners Associations (HOAs), which can impose additional design requirements, material restrictions, and approval processes on top of standard city permits.
Irvine ADU Regulations and Zoning Requirements
Irvine follows California state ADU law, which was significantly expanded through legislation including AB 68, AB 881, and SB 13. Under these laws, homeowners in Irvine can build Accessory Dwelling Units (ADUs) and Junior ADUs (JADUs) on single-family and multifamily lots. Key local regulations include:
- Detached ADUs can be up to 1,200 square feet in size
- Minimum setbacks of 4 feet from rear and side property lines for detached ADUs
- ADUs must comply with Irvine's Community Development Department permitting process
- Junior ADUs are limited to 500 square feet and must be within the existing primary structure
- Owner-occupancy requirements were suspended under state law through 2025
Why HOA Compliance Matters for Irvine ADU Projects
One of the most significant challenges for ADU construction in Irvine is navigating HOA restrictions. Many Irvine communities — including those in Woodbridge, Northwood, Turtle Rock, and Quail Hill — have active HOAs with architectural review committees. While California law (Civil Code Section 4751) limits HOAs from outright prohibiting ADUs, they can still regulate exterior appearance, materials, colors, and landscaping. A knowledgeable Irvine ADU contractor will manage both city permit submissions and HOA architectural review applications simultaneously to avoid costly delays.
Types of ADUs Commonly Built in Irvine
Given Irvine's suburban layout and lot sizes, the most common ADU types built by local contractors include:
- Detached backyard ADUs – standalone structures ideal for rental income or multigenerational living
- Garage conversion ADUs – converting attached or detached garages into livable space
- Junior ADUs (JADUs) – interior conversions within the existing home footprint
- Above-garage ADUs – second-story additions above existing garages
Choosing the Right ADU Contractor in Irvine
When selecting an ADU contractor in Irvine, California, homeowners should look for professionals with proven experience in local permitting, HOA compliance, and California Title 24 energy code requirements. The best contractors will handle everything from design and engineering to permit submission and final inspection. With Irvine's strong rental market and high property values, a well-built ADU can offer significant return on investment while adding functional living space to your property.