ADU Contractors near Los Angeles, CA
Huntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647
39.1 miles
Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transparent pricing.
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Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
1.5 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 with transparent pricing.
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Build ADU Home Remodel
4780 West Mission Boulevard, Montclair, CA 91762
41 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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AMG Construction
4237 West 142nd Street, Long Beach, CA 90250
28.4 miles
AMG Construction INC offers residential & commercial remodeling, new builds, ADU construction, room additions, and roofing services. Licensed and insured, they handle full projects from design to completion.
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Markis Construction
14126 Sherman Way, Van Nuys, CA 91405
6.6 miles
Bonny Builders Group
P.O. Box 2723 Oxnard, CA, Oxnard, CA 93034
44.4 miles
Bonny Builders Group specializes in Accessory Dwelling Units (ADUs), including garage conversions, granny flats & detached units. With 39 years of experience, they handle permits, design, and construction to code.
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Coastal Builders
610 E Santa Clara Ave, Santa Ana, CA 92706
39.5 miles
Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.
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Benavides Builders Inc
Thousand Oaks, CA
24.9 miles
Benavides Builders Inc is a trusted ADU contractor specializing in detached & attached ADUs, garage conversions, JADUs, and hillside builds. They offer single & two-story units, granny flats, in-law suites, and casitas for residential properties.
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OC Master ADU Construction
809 East Katella Avenue, Orange, CA 92867
38.7 miles
OC Master ADU Construction builds ADUs across Orange County, offering detached units, garage conversions, JADUs & attached additions. Services include design, permitting & full construction management for rental income or family housing.
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Avorino
Irvine, CA 92602
45.4 miles
Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.
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Aligcus
1841 South San Gabriel Boulevard, San Gabriel, CA 91776
18.1 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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Construction Masters
18075 Ventura Boulevard, Los Angeles, CA 91316
7.8 miles
Construction Masters™ is a trusted ADU contractor offering full-service design, engineering, and construction of accessory dwelling units. They build granny flats, in-law suites, and detached ADUs, boosting property value with a free consultation.
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Encanto Homes LLC
451 West 5th Street, Oxnard, CA 93030
46.2 miles
Encanto Homes LLC offers a 484 sq ft ADU above the garage, featuring 1 bed, 1 bath, kitchenette, solar panels & private entrance. Ideal as a rental unit, in-law suite or granny flat in Oxnard, CA.
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Harding Design & Construction
4040 East Vermont Street, Long Beach, CA 90814
28.5 miles
Saunders Construction Renovation Inc
2463 W Carson Street, Torrance, CA 91310
20.4 miles
Saunders Construction Renovation Inc offers ADU construction in Torrance, Redondo Beach & Palos Verdes Peninsula. Services include detached ADUs, garage conversions & granny flats. BBB A+ rated South Bay contractor.
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Other cities in California
What you need to know
ADU Contractors in Los Angeles: Navigating One of California's Most Active ADU Markets
Los Angeles is widely recognized as one of the most active cities in the United States for Accessory Dwelling Unit (ADU) construction. With a severe housing shortage, high property values, and progressive local ordinances, Los Angeles homeowners are increasingly turning to ADU contractors to maximize their property's potential. The city's unique urban density, diverse neighborhoods — from Silver Lake to the San Fernando Valley — and its Mediterranean climate make ADUs a practical and financially rewarding investment for property owners across the region.
Los Angeles ADU Regulations and Zoning Requirements
Working with an experienced ADU contractor in Los Angeles is essential due to the city's complex regulatory environment. The Los Angeles Department of Building and Safety (LADBS) oversees ADU permitting, and contractors must be well-versed in both California state ADU laws and local LA-specific ordinances. Key regulations include:
- Size limits: Detached ADUs can be up to 1,200 square feet, while attached ADUs are limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is required for most new detached ADUs.
- Height restrictions: Detached ADUs are generally limited to 16 feet in height, though two-story ADUs may be permitted in certain zones.
- Owner-occupancy rules: As of 2020, California state law removed owner-occupancy requirements for ADUs, giving LA homeowners more flexibility.
- Parking requirements: ADUs located within half a mile of public transit are typically exempt from additional parking requirements.
Types of ADUs Built by Los Angeles Contractors
Skilled ADU builders in Los Angeles work on a wide variety of ADU types to suit the city's diverse housing stock. The most common types include detached ADUs (DADUs), attached ADUs, garage conversions, and Junior ADUs (JADUs). Garage conversions are particularly popular in LA given the abundance of single-car and two-car garages throughout neighborhoods like Koreatown, Echo Park, and Reseda. JADUs, which are up to 500 square feet and created within the existing primary residence, offer a cost-effective option for homeowners looking to add rental income with minimal construction.
Why Hiring a Licensed ADU Contractor in Los Angeles Matters
Hiring a licensed and insured ADU contractor in Los Angeles is not just recommended — it is legally required. All contractors must hold a valid California Contractors State License Board (CSLB) license. Reputable ADU contractors in LA will handle the full permitting process through LADBS, ensure compliance with Title 24 energy efficiency standards, and coordinate with utility providers for proper connections. Given LA's seismic activity, contractors must also ensure that all ADU construction meets strict earthquake safety and structural requirements under the California Building Code.
Finding the Right ADU Contractor in Los Angeles
When searching for the best ADU contractor in Los Angeles, CA, homeowners should look for professionals with proven local experience, strong portfolios of completed LA projects, and transparent pricing. Request multiple bids, verify CSLB license status, and check reviews on platforms like Houzz, Yelp, and the Better Business Bureau. A qualified contractor will guide you through design, permitting, construction, and final inspection — turning your ADU vision into a compliant, high-quality reality.