ADU Contractors near Orange, CA
ADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710
17.1 miles
Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our custom... read more
Better Together Builders
7026 Rhea Avenue, Reseda, CA 91335
49.1 miles
Better Together Builders (BTB) is a full-service ADU contractor offering studio and bedroom floor plans, garage conversions & backyard units. They manage design, permits & construction. California clients may qualify for the CalHFA ADU Gra... read more
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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Buildwright Construction
5320 Satsuma Avenue, North Hollywood, CA 91601
40.4 miles
Buildwright Construction offers full-service ADU construction, including detached ADUs, granny flats, in-law suites, and JADUs. They handle planning, permits, and building, helping property owners add rental income, guest space, or multi-generatio... read more
South Land Remodeling
15021 Ventura Boulevard, Los Angeles, CA 91403
43.8 miles
South Land Remodeling is an LA-based ADU contractor with 20+ years of experience. They offer full-service ADU construction, garage conversions, room additions, and permit management across Los Angeles and the San Fernando Valley.
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New Era Home Services
Long Beach, CA 90815
17.3 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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Nagar Builders Inc.
6245 Wilshire Boulevard, Los Angeles, CA 90048
36.3 miles
Nagar Builders Inc. is a Los Angeles construction company offering ADU construction, garage conversions, kitchen and bathroom remodeling, room additions, roofing, electrical work, and commercial remodeling since 2019.
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Joseph Construction
4695 MacArthur Ct, Newport Beach, CA 92660
9.5 miles
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
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King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
22.8 miles
King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.
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Zieba Builders
1390 East Burnett Street, Signal Hill, CA 90755
20 miles
Zieba Builders, a Southern California design-build firm, was named one of the top 7 ADU contractors in Long Beach by Home Builder Digest. They specialize in custom homes, garage conversions, granny flats & detached ADUs.
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America Green Builders
6601 Alcove Avenue, North Hollywood, CA 91606
40.6 miles
America Green Builders (AGB) is a Los Angeles general contractor with 20+ years of experience offering kitchen remodeling, bathroom renovation, room additions, ADU garage conversions, custom homes, pool construction, and hardwood flooring.
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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 valu... read more
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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Concept Renovations Inc.
16001 Ventura Boulevard, Encino, CA 91436
45.6 miles
Concept Renovations Inc. is a Southern California design-build company with 20+ years in residential remodeling, ADU construction, and garage conversions. They manage design, permitting, and build phases, serving Los Angeles homeowners.
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United State Of The Art Construction
18034 Ventura Boulevard, Encino, CA 91316
47.4 miles
Licensed LA construction firm United State Of The Art Construction specializes in ADU building and luxury home renovations across Brentwood, Beverly Hills & Malibu. Offering eco-friendly builds, full remodels & free consultations.
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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.