ADU Contractors near Los Angeles, CA
Direct ADU
11853 South Inglewood Avenue, Hawthorne, CA 90250
14.6 miles
DirectADU is a leading California ADU builder offering full-service design, engineering, permitting, and construction. Specializing in detached ADUs, garage conversions, granny flats, and backyard cottages, they deliver turnkey solutions with competitive pricing and a lowest price guarantee.
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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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Superior ADUs
6 Venture, Irvine, CA 92618
48.9 miles
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
8.7 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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The ADU Group
16000 Ventura Boulevard, Encino, CA 91436
5.8 miles
Los Angeles ADU builders with 10+ years experience, 220+ completed projects & 98% client satisfaction. Full-service ADU construction, garage conversions, design, permits & a deferred payment program—no payments until your ADU is rental-ready.
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Thousand Oaks ADU Builders
5155 Clareton Drive, Agoura Hills, CA 91301
19.9 miles
Thousand Oaks ADU Builders offers expert ADU design, permitting, garage conversions, and detached or attached ADU construction. Serving Thousand Oaks, CA, they handle floor plans, city approvals, and code-compliant builds up to 1,000 sq ft.
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Bunch Design
2718 West Avenue 34, Los Angeles, CA 90065
10.9 miles
ADUs (granny flats/backyard cottages) boost property value & rental income. Bunch Design, LA, offers custom & pre-designed ADUs: Garage Studio ($300K+), Cottage ($400K+), Stop Making Sense ($425K+), and Step ADU ($425K+).
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Flip It Homes Inc.
20501 Ventura Boulevard, Woodland Hills, CA 91364
10.6 miles
Flip It Homes Inc. is a Southern California ADU builder with 10+ years of experience in garage conversions, new construction ADUs, and home renovations across Los Angeles, San Fernando Valley, and surrounding communities.
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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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BuildShure
401 Corporate Pointe, Culver City, CA 90230
6.4 miles
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
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ADU by Kn Remodeling
19709 Ventura Boulevard, Woodland Hills, CA 91364
10.6 miles
KN Remodeling is a certified ADU contractor serving Los Angeles, Woodland Hills, Simi Valley & Thousand Oaks. Specializing in detached ADUs, attached ADUs & garage conversions, they handle design, permits & construction with 100+ ADU plans completed.
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John Christopher Construction
2246 Newport Blvd Unit A, Costa Mesa, CA 92627
42.4 miles
John Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-law suites & more.
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Jean Prescott Studio
120 Newport Center Dr, Newport Beach, CA 92660
46.1 miles
Jean Prescott Studio offers ADU design, construction, and home remodeling services in San Clemente. Services include kitchen remodels, bathroom renovations, room additions, permit management, and custom ADU plans for rental income or flexible living.
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Ivy Builders
12100 Wilshire Boulevard, Los Angeles, CA 90025
6 miles
Ivy Builders is a top ADU contractor in Los Angeles & Orange County, specializing in detached ADUs, granny flats & backyard cottages. Offering pre-approved plans, full permitting, and custom builds ranging from $200K–$500K.
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ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
24.5 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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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.