ADU Contractors near Los Angeles, CA
Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
6.8 miles
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
read more
Create Construction
3500 West Olive Avenue, Burbank, CA 91505
4.8 miles
Create Construction is a licensed, family-owned ADU contractor serving Los Angeles, Orange, and Ventura Counties. They specialize in garage conversions, granny flats, and attached ADUs, managing design, permits, and construction from start to fini... read more
IA Builders
10736 Jefferson Blvd, Unit 703, Culver City, CA 90230
7.8 miles
IA Builders is a Los Angeles construction company offering new home builds, remodeling, additions, and ADU construction. Services include garage conversions, detached ADUs, and in-law suites, delivered with quality craftsmanship and transparent pr... read more
ADU Specialist Group
621 North Azusa Avenue, Azusa, CA 91702
28.6 miles
ADU Specialist Group, an Azusa, CA-based ADU contractor, offers design, permitting, financing guidance, and turnkey construction for accessory dwelling units, garage conversions, and granny flats across LA, San Gabriel Valley, Ventura County, and ... read more
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.
read more
BSPK Design
685 Venice Boulevard, Venice, CA 90291
9.2 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 wi... read more
ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
4.5 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
read more
Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
30.2 miles
Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,20... read more
Addition Building & Design Inc.
4335 Van Nuys Boulevard, Sherman Oaks, CA 91403
4 miles
Addition Building & Design Inc. is a Los Angeles design-build firm offering custom home building, additions, renovations, ADU construction, and outdoor living spaces. Their integrated approach covers planning, permitting, and construction for ... read more
Ohayon Construction
Los Angeles, CA 90012
10.3 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
read more
ADU Ventura County
2734 Johnson Drive, Ventura, CA 93003
46.1 miles
ADU Ventura County builds accessory dwelling units including detached ADUs, garage conversions, granny flats, and Casitas. With 10+ years of experience, they offer free consultations, budget estimates, and full construction management for Ventura ... read more
Willbii
2158 Huntington Drive, San Marino, CA 91108
16.9 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
EHD Builders
18375 Ventura Boulevard, Tarzana, CA 91356
8.6 miles
EHD Builders offers ADU construction services in Los Angeles, CA, including garage conversions, detached units & additions. Costs range from $150K–$350K+. Services cover permits, framing, plumbing, electrical & more.
read more
LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
20 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project... read more
Romano Builders
14407 Gilmore Street, Van Nuys, CA 91401
5.6 miles
Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.
read more
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.