ADU Contractors near Orange, CA
Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
31.6 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
California Backyard Homes Inc
6230 Wilshire Boulevard, Los Angeles, CA 90048
35.9 miles
California Backyard Homes Inc specializes in prefab ADUs, tiny houses, and modular homes across California. Starting from $44,500, they offer turnkey installation including permits and utility connections, with financing available up to 23 years.<... read more
Green Tech
5605 Woodman Avenue, Van Nuys, CA 91401
45 miles
Green Tech Remodeling offers full-service construction, renovation, and ADU projects including garage conversions, kitchen and bathroom remodels, home additions, flooring, roofing, electrical, plumbing, and more, with 3D design previews included.<... read more
ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
21 miles
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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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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Willbii
2158 Huntington Drive, San Marino, CA 91108
27.9 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income... read more
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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California Construction Center Inc
12509 Oxnard Street, North Hollywood, CA 91606
41.1 miles
California Construction Center Inc. specializes in garage conversions and ADU services in Concord and San Francisco County. They transform garages into guest suites, rental units, and home offices, ensuring code compliance and quality craftsmanshi... read more
Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
39.9 miles
Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months wit... read more
A.G.A. Construction Inc
18375 Ventura Boulevard, Tarzana, CA 91356
48.4 miles
A.G.A. Construction Inc is a Los Angeles ADU contractor specializing in accessory dwelling units & JADUs. Services include custom design, permits, plumbing, electrical & energy-efficient construction to maximize property value.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
42.2 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
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Easton Designs
960 North Tustin Street, Orange, CA 92867
2.3 miles
Easton Designs and Consulting (EDC) is an Orange County, CA home design, architecture, and remodeling firm. Services include ADU construction, kitchen remodels, room additions, pools, and outdoor living. Free consultations available.
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SKS Construction
6445 Sepulveda Boulevard, Van Nuys, CA 91411
45.4 miles
SKS Construction, founded in 1987 in Los Angeles, offers ADU construction, seismic retrofitting, balcony inspections (SB 326 & SB 721 compliance), and structural engineering. With 200+ projects and 80% repeat clients, they deliver expert desig... read more
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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ADU1
19326 Ventura Boulevard, Los Angeles, CA 91356
47.7 miles
ADU1 helps multifamily property owners add ADUs to boost income. Add up to 25% more units plus 2 detached ADUs. Services include a $250 feasibility report, full design-build, and free weekly Q&A sessions every Wednesday.
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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.