Detached ADU near Santa Ana, CA
UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
19.8 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
Katz Design & Builders inc
316 Culver Boulevard, Playa Del Rey, CA 90293
35.9 miles
Katz Design & Builders Inc offers full-service ADU construction across Los Angeles and Orange County. Services include detached ADUs, garage conversions, attached ADUs, and JADUs, all built to California Title 24 and local zoning standards.read more
MGMW Remodeling
11041 Santa Monica Blvd #301, Los Angeles, CA 90025
33.9 miles
MGMW Remodeling INC is a Los Angeles ADU contractor specializing in accessory dwelling units. Services include detached ADU construction, garage conversions, architectural design, permitting, and full project management from planning to completion... read more
Esco Builders Inc
Downey, CA 90242
19.6 miles
OakADU
9671 Sunland Boulevard, Santa Clara, CA 91040
44.6 miles
OakADU is a full-service ADU contractor in Los Angeles & Southern California, offering design, permitting, construction & property management for detached ADUs, garage conversions, attached ADUs & interior conversions.
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Ohayon Construction
Los Angeles, CA 90012
30.1 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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Heart Construction
10867 Fruitland Drive, Studio City, CA 91604
39.4 miles
Heart Construction builds ADUs in Los Angeles, offering detached, attached, garage conversions, JADUs & more. Full-service from permits to completion. Ideal for rental income, multigenerational living & property value growth.
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Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
29.6 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.read more
ADU Design Homes
2610 Pacific Avenue, Manhattan Beach, CA 90266
31.9 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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The Sterling-Watson Collective
1441 Huntington Dr, 1900, South Pasadena, CA 91030
29.6 miles
Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more... read more
The ADU Group
16000 Ventura Boulevard, Encino, CA 91436
45.6 miles
Los Angeles ADU builders with 10+ years experience, 220+ completed projects & 98% client satisfaction. Full-service ADU construction, garage conversions, design, permits & a deferred payment program—no payments until your ADU is rental-r... read more
Green Design and Build
16120 Sherman Way, Van Nuys, CA 91406
46.6 miles
Licensed, veteran-owned ADU builder in Van Nuys. Detached, attached and junior ADUs plus garage conversions, with design, permits and construction handled under one roof.
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Team Allstar Construction
301 9th Street, Redlands, CA 92374
46.1 miles
Team All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Oran... read more
ADU Cities
1420 East Katella Avenue, Anaheim, CA 92867
4.6 miles
ADU Cities is a California design-build firm specializing in ADUs, JADUs, garage conversions, and remodels. They manage design, permitting, and construction, helping homeowners add living space, boost property value, or generate rental income.
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US Modular Inc.
579 West County Line Road, Calimesa, CA 92320
49.7 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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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Santa Ana, 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 Santa Ana 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.
Santa Ana 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 Santa Ana, California, and get started today.