ADU Contractors near Orange, CA
Temecula ADU Builders
45033 Putting Green Court, Temecula, CA 92592
48.9 miles
Temecula ADU Builders is a local ADU contractor helping homeowners add accessory dwelling units, including detached ADUs, garage conversions, and granny flats, for rental income, family housing, or tax benefits in Temecula, CA.
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Kyra Construction
15233 Ventura Boulevard, Sherman Oaks, CA 91403
44.1 miles
Kyra Construction is an experienced ADU contractor offering detached ADUs, garage conversions, in-law suites, JADUs, granny flats, and backyard cottages. They handle permits, zoning, and full construction, delivering quality accessory dwelling units tailored to each homeowner.
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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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Iron Man Construction
930 North Doheny Drive, Los Angeles, CA 90069
38 miles
Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
32.1 miles
Structura Remodeling is an LA-based licensed ADU contractor specializing in Accessory Dwelling Units, garage conversions & JADUs. Costs range $115K–$145K. Financing options include HELOC & construction loans. Free consultation available.
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Tracy A. Stone Architect
2041 Blake Avenue, Los Angeles, CA 90039
33.2 miles
Garage converted to pool house ADU by Tracy A. Stone Architect, featuring a north-south roof ridge for Tesla Solar Roof optimization, backyard visual connectivity, and a dramatic overhang for summer shading and energy efficiency.
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DREC Construction Services
15338 Central Avenue, Chino, CA 91710
14.1 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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Aspace Studios
p.o. box 851, Glendora, CA 91741
22.9 miles
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
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Pomona General Contractors
3191 W Temple Ave Suite 130, Pomona, CA 91768
17.4 miles
Pomona General Contractors offers ADU construction in Pomona, including detached ADUs, attached ADUs, and garage conversions. Services cover permitting, 3D design, energy-efficient builds, and full construction management for granny flats, in-law suites, and backyard cottages.
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BSPK Design
685 Venice Boulevard, Venice, CA 90291
38.9 miles
BSPK Design is a Venice, CA residential studio founded by Chris Faulhammer & Roman Reiterer, with 50+ years combined experience. Services include custom homes, fire rebuilds & prefab NextGen Building. Multiple Houzz Best of Design award winners.
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Build ADU Home Remodel
4780 West Mission Boulevard, Montclair, CA 91762
18.9 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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Woollard Construction
40547 Windsor Road, Temecula, CA 92591
45.7 miles
Woollard Construction is a family run general contractor specializing in ADUs and bathroom remodels. Formed over 25 years ago in Temecula, California, we deliver professional building projects with care and precision in Temecula and Murrieta.
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Bartona Builders
331 Delaware Road, Burbank, CA 91504
38.9 miles
Bartona Builders specializes in ADU construction in Los Angeles, offering detached ADUs, garage conversions, and in-law suites. They manage the full build process, ensuring code-compliant construction that adds value to residential properties.
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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
37.7 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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OakADU
9671 Sunland Boulevard, Santa Clara, CA 91040
43.4 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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Other cities in California
What you need to know
ADU Contractors in Orange, CA: Building in a Historic Preservation City
Orange, California is one of the few cities in Southern California with a nationally recognized historic downtown district, known as Old Towne Orange. This unique characteristic means that ADU contractors working in Orange must navigate not only standard California state ADU regulations but also local historic preservation guidelines when projects fall within or near the Old Towne Historic District. Homeowners in these areas may face additional design review requirements to ensure that any accessory dwelling unit complements the architectural character of the surrounding neighborhood.
California State ADU Laws and How They Apply in Orange
Since 2020, California has significantly relaxed statewide ADU regulations, and the City of Orange must comply with these state mandates. Key rules that experienced ADU contractors in Orange work with include:
- ADUs up to 850 square feet (or up to 1,000 sq ft for two or more bedrooms) cannot be denied based on floor area ratio or lot coverage
- Junior ADUs (JADUs) up to 500 square feet can be created within existing single-family homes
- Setback requirements of 4 feet from rear and side property lines for most detached ADUs
- No owner-occupancy requirement through at least January 1, 2025
- Utility connection fees may be waived for ADUs under 750 square feet
Permitting Process for ADUs in Orange, CA
Working with a knowledgeable ADU contractor in Orange is essential to successfully navigating the city's permitting process. The City of Orange Community Development Department handles ADU permit applications, and experienced contractors understand the importance of submitting complete, accurate plans to avoid costly delays. The city generally follows the 60-day permit review timeline mandated by California state law. Projects within the Old Towne Historic District may require additional review by the Old Towne Historic Preservation Committee.
Types of ADUs Commonly Built in Orange, California
Orange's diverse housing stock — ranging from historic Craftsman bungalows near the Plaza to newer tract homes in areas like Serrano Heights and Belmont — creates a variety of ADU opportunities. Skilled ADU contractors in Orange regularly build:
- Detached ADUs — standalone structures in backyards, ideal for rental income or multigenerational living
- Garage Conversions — transforming existing garages into livable ADU spaces
- Attached ADUs — additions connected to the primary residence
- Junior ADUs — interior conversions within the existing home footprint
Choosing the Right ADU Contractor in Orange, CA
When selecting an ADU contractor in Orange, California, homeowners should look for professionals with verified experience in local permitting, familiarity with Orange's zoning codes, and a portfolio of completed ADU projects in the area. A qualified contractor will handle everything from design and engineering to permit submission and final inspection, ensuring your ADU project is completed efficiently, legally, and to the highest standard of quality.