ADU Contractors near Irvine, CA
Superior ADUs
6 Venture, Irvine, CA 92618
1.7 miles
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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ADU Design Homes
2610 Pacific Avenue, Manhattan Beach, CA 90266
39.2 miles
ADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.
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ADU Hotline
5301 Laurel Canyon Blvd, Los Angeles, CA 91607
49.5 miles
ADU Hotline offers affordable ADU design and permitting in Southern California. From granny flats to garage conversions, they handle the full process in 3–4 weeks, helping homeowners add rental income or family housing efficiently.
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BuildShure
401 Corporate Pointe, Culver City, CA 90230
42.8 miles
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
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SE Builders Inc
13006 Philadelphia Street, Whittier, CA 90601
25.5 miles
SE Builders Inc completed an ADU project in Fullerton, CA, transforming a structure into a modern living space. Features include updated framing, durable finishes, eco-friendly materials, energy-efficient systems, and low-maintenance landscaping.
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Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
36.9 miles
Albera 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.
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Baumeister Construction
1379 West Park Western Drive, San Pedro, CA 90732
31.2 miles
Baumeister Construction offers full-service ADU construction in Carson, CA, including garage conversions, JADUs & detached units. 20+ years experience, woman-led, covering design, permitting & sustainable builds.
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Pinnacle Construction
6132 Innovation Way, San Diego, CA 92009
48.1 miles
Pinnacle Construction Services Inc. offers expert metal stud framing and drywall for ADU projects in San Diego County, including detached ADUs, garage conversions, and attached additions, with 30+ years of subcontracting experience.
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RIA Group Construction
26632 Towne Centre Dr # 300, Foothill Ranch, CA 92610
6.1 miles
RIA Group Construction (CA Lic. #1143899) is a full-service design-build contractor in Orange County, CA. Specializing in home renovations, new builds, ADUs, kitchen & bathroom remodeling, and pool construction.
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PacGen Construction
29995 Technology Drive, Murrieta, CA 92563
37.5 miles
PacGen Construction is a Temecula-based ADU contractor specializing in granny flats, casitas, and in-law suites. They offer full design-build services, permitting assistance, and custom ADU construction for homeowners seeking rental income or extra living space.
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Motif Architecture
30211 Avenida De Los Banderas #200, Rancho Santa Margarita, CA 92688
10.2 miles
Motif Architecture offers ADU, JADU, and garage conversion design services in Orange County, CA. Their five-phase process covers space planning, permitting, and construction. Projects include backyard cottages and garage-to-ADU conversions in Costa Mesa and Irvine.
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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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SouthStar USA
1611 Pomona Road, Corona, CA 92878
17.4 miles
SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.
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Newform Builders
10960 Wilshire Boulevard, Los Angeles, CA 90024
46.7 miles
Newform Builders specializes in ADU construction for multi-family and mixed-use properties. They handle permits, inspections, and code-compliant builds, including detached, attached, and space-conversion ADUs, ensuring safe, regulation-aligned results from planning to completion.
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DREC Construction Services
15338 Central Avenue, Chino, CA 91710
21.2 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 warranty.
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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.