ADU Contractors near Irvine, CA
ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805
12 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... read more
High Touch Remodeling
10917 West Pico Boulevard, Los Angeles, CA 90064
43 miles
High Touch Remodeling is a Los Angeles ADU contractor specializing in garage conversions. They offer full garage-to-ADU buildouts, design planning, space optimization, and code compliance, with free estimates available.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
28.5 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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Leonard ADU Garage Convert
6100 Teesdale Avenue, North Hollywood, CA 91606
48.4 miles
Leonard Garage Conversion is a trusted ADU contractor in Los Angeles with 20+ years of experience. Specializing in garage conversions, granny flats, and JADUs, they offer quality builds, code compliance, and competitive pricing.
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New Era Home Services
Long Beach, CA 90815
21.3 miles
New Era Home Services LLC is a full-service ADU builder specializing in custom accessory dwelling units, including granny flats, rental units, and garage conversions, guiding homeowners through design, permitting, and construction.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
37.6 miles
Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.read more
Rost Architects
8855 Research Drive, Irvine, CA 92618
3.1 miles
Plan your ADU project with expert guidance. Rost Architects covers key factors like setbacks, height limits, floor area, utilities, and local guidelines to help homeowners avoid costly mistakes and build compliant, well-designed accessory dwelling... read more
Silver Hammer Builders
11150 West Olympic Boulevard, Los Angeles, CA 90064
45.6 miles
Silver Hammer Builders is a licensed ADU contractor in Los Angeles with 15+ years of experience. Services include garage conversions, detached ADUs, JADUs & in-law suites. Full project management, permits, and free consultations offered.
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JL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506
27.2 miles
An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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IEE Designs
175 Bosstick Boulevard, San Marcos, CA 92069
48.6 miles
IEE Designs is a San Diego County design & build firm founded in 1998, specializing in ADU construction and landscape design. Services include detached ADUs, granny flats, casitas, and custom exterior landscaping for residential clients.
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Kirmina Construction
8615 Mesa Oak Drive, Riverside, CA 92508
26.2 miles
Kirmina Construction (License #1124572) is a licensed general contractor in Riverside, CA, offering home additions, ADUs, garage conversions, room extensions, and outdoor living spaces across Riverside, San Bernardino, and Orange County.
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Calcons
7838 Truxton Avenue, Los Angeles, CA 90045
40.8 miles
Calcons is a California-based ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, and backyard cottages. They manage permits, design, and construction for homeowners seeking to add livable space.
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Vision ADU
1440 South State College Boulevard, Anaheim, CA 92806
11.4 miles
Vision ADU is a California ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They offer full-service design, permitting, and construction to help homeowners add value or rental income.
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California Construction Center Inc
12509 Oxnard Street, North Hollywood, CA 91606
48.9 miles
California Construction Center Inc. specializes in garage conversions and ADU services in Concord and San Francisco County. They transform garages into guest suites, rental units, and home offices, ensuring code compliance and quality craftsmanshi... read more
Builderwell
9641 Irvine Center Drive, Irvine, CA 92618
0.4 miles
Builderwell is an ADU contractor in Orange County, CA, offering full-service design-build solutions for custom accessory dwelling units, including guest houses, in-law suites, and rental units across Irvine, Newport Beach, and Laguna Hills.
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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.