Detached ADU near Orange, CA
Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
17.8 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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Full Circle Builders
26111 Ynez Road, Temecula, CA 92591
42.3 miles
Full Circle Builders offers custom ADU construction in Riverside County & the Inland Empire. Detached ADUs start at $185,000 (590 sq ft, 1BD/1BA). Container homes also available. Turn-key builds, permitting assistance included.
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Fontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335
28 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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Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
42.5 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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USA Builders Pro
2900 Bristol Street, Costa Mesa, CA 92626
9.6 miles
USA Builders Pro offers 20+ years of ADU construction and home addition services. Specializing in detached & attached ADUs, room additions, permits, and zoning compliance, they help homeowners boost property value and living space.
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ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
35.6 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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US Modular Inc.
579 West County Line Road, Calimesa, CA 92320
44.9 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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Socal Upgrades ADU
1288 North Verdugo Road, Glendale, CA 91206
34.2 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
39.4 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 property value by 20–30%.
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Pros ADU Builders
27201 Puerta Real, Lake Forest, CA 92691
18.5 miles
Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.
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CarbonShack Design
715 Cypress Avenue, Los Angeles, CA 90065
30.5 miles
CarbonShack Design offers expert ADU design services in Los Angeles, specializing in accessory dwelling units, detached ADUs, granny flats & in-law suites. Carbon-conscious building practices & design-first approach set them apart.
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ADU Conversion
Los Angeles, CA
29.7 miles
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners seeking rental income or multigenerational housing.
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Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
12.9 miles
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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Los Angeles Advanced ADU Builders
240 South Beverly Drive, Los Angeles, CA 90212
37.6 miles
Los Angeles Advanced ADU Builders offers full-service ADU construction across LA, including garage conversions, detached units, JADUs & prefab ADUs. With 20+ years experience & 500+ builds, they handle design, permits & zoning compliance.
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Aligcus
1841 South San Gabriel Boulevard, San Gabriel, CA 91776
25.5 miles
Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projects.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Orange, 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 Orange 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.
Orange 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 Orange, California, and get started today.