Detached ADU near Irvine, CA
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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LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
27.2 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... read more
California Dream Builders
13623 Victory Boulevard, North Hollywood, CA 91401
48.4 miles
California Dream Builders specializes in ADU design and construction, offering end-to-end services including architectural design, permitting, and full construction management. They build detached ADUs, granny flats, in-law suites, and backyard co... read more
USModular Inc.
579 West County Line Road, Calimesa, CA 92320
45.9 miles
USModular Inc. is a Temecula, CA ADU builder specializing in modular, prefabricated construction. Units are up to 90% factory-built, completed in ~120 days, and comply with IRC and local codes. Services include feasibility studies, design, enginee... read more
CCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316
46.7 miles
CCS Inc (CSLB #B1047699) is a licensed LA general contractor since 1984 specializing in ADU construction, garage conversions, and room additions. They manage design, permitting, and build, with ADUs generating up to $3,500/month rental income.
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L Square Construction
Irvine, CA 92705
5.4 miles
L Square Construction is an ADU contractor serving Los Angeles & Orange County, CA. They offer full-service design-build ADU solutions including detached units, in-law suites, garage conversions, and energy-efficient builds with solar integrat... read more
New Birth Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
45.8 miles
New Birth Builders believes that a room addition or Garage Conversion is a great way to increase your home’s value and this new space can be used in a variety of ways. For most homeowners adding a room is less cost efficient and stressful than h... read more
R Remodeling
6745 Washington Avenue, Whittier, CA 90601
23.2 miles
R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disrup... read more
Socal Upgrades ADU
1288 North Verdugo Road, Glendale, CA 91206
42.7 miles
SoCal Upgrades is a full-service ADU contractor in Los Angeles & Glendale, specializing in detached ADUs, garage conversions, JADUs & granny flats. They handle design, permits, construction & financing for a seamless, turnkey experience.
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Bela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291
45.4 miles
Bela Development is an LA-based design-build firm with 15+ years specializing in ADU construction, garage conversions, detached ADUs, and JADUs. They manage design, permitting, and build under one roof, delivering legal living spaces that boost pr... read more
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 solu... read more
Golden ADU
640 S Curson Ave #603, Los Angeles, CA 90036
44.9 miles
Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.... read more
Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
37 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
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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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US Modular Inc.
579 West County Line Road, Calimesa, CA 92320
45.9 miles
US Modular Inc. is a trusted ADU builder in Riverside County, CA, with 35+ years of experience. They offer prefab ADUs, garage conversions & casitas starting at $150,000, completed in 6–9 months.
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What you need to know
Searching for top Detached ADU ADU Contractors in Irvine, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Irvine ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Irvine homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Irvine, California, and get started today.