ADU Homes, Inc.

245 East 3rd Street, Long Beach, CA 90802 25.1 miles

ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.

South Land Remodeling

15021 Ventura Boulevard, Los Angeles, CA 91403 4.1 miles

Licensed 20 years in business

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.

EcoSmart Builders

21300 Victory Boulevard, Calabasas, CA 91367 12 miles

Licensed 10 years in business Eco-Friendly

EcoSmart Builders is a licensed Southern California ADU contractor specializing in accessory dwelling units, home expansions, and fire rebuilds. Serving Los Angeles County, they manage design, permitting, and construction of detached, attached, garage conversion, and junior ADUs.

Ghouse Technologies

20720 Ventura Blvd Suite 100, Los Angeles, CA 91364 7.6 miles

Prefab Specialist Eco-Friendly

Ghousetechnologies is a California ADU contractor offering steel frame accessory dwelling units. Models range from 360–1,200 sq ft. Builds are fire, flood, earthquake, and hurricane-resistant, eco-friendly, and completed faster than traditional construction.

Orange County Construction

1173 North Red Gum Street, Anaheim, CA 92806 36 miles

California ADU Center INC

7542 Laurel Canyon Boulevard, Los Angeles, CA 91605 1.8 miles

California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.

ADU Conversion

Los Angeles, CA 10.3 miles

ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners seeking rental income or multigenerational housing.

Jay Remodeling

15219 Sunset Boulevard, Los Angeles, CA 90272 4.5 miles

Licensed

Jay Remodeling is a licensed ADU contractor in Los Angeles offering attached, detached, garage conversion, basement, and Junior ADUs. They handle design, permitting, and construction, helping homeowners add rental income or family space while boosting property value.

Lux Construction Group

10850 Wilshire Boulevard, Los Angeles, CA 90024 4.3 miles

Are you looking for the best ADU Contractor in Los Angeles? Having 20+ years of experience, Lux Dev LA offers the most affordable ADU Construction & design services. Let us design and build your new ADU project today. Contact us for a FREE quote!

All Shapes Construction & Design

14320 Ventura Boulevard, West Hills, CA 91423 41.3 miles

20 years in business

All Shapes Construction & Design (ASCD) is a Southern California contractor with 20+ years of experience offering ADU construction, garage conversions, kitchen & bathroom remodeling, room additions, and custom homes across Los Angeles.

MTZ Contractors

3515 Atlantic Avenue, Long Beach, CA 90807 24.5 miles

Looking for the best ADU construction? Choose Mtz Contractors Inc to completely transform your property, known for constructing excellent ADUs in Long Beach CA. We create and build Accessory Dwelling Units that meet your precise requirements for quality.

Buildoly

915 Wilshire Blvd, Los Angeles, CA 90017 9.5 miles

Buildoly is an ADU contractor offering full-service construction for detached ADUs, garage conversions, granny flats, JADUs, and backyard cottages. They manage design, permitting, and building, helping homeowners add rental income or family housing.

EAM Development & Construction

15300 Ventura Boulevard, Sherman Oaks, CA 91403 4.4 miles

Licensed Eco-Friendly

EAM Development & Construction is a California-based licensed contractor specializing in ADU and JADU garage conversions. Services include design, permitting, structural work, energy-efficient systems, and full construction compliant with California building codes.

ADU Builder LA

126 West Elm Court, Burbank, CA 91502 7.2 miles

ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, garage conversions, and JADUs.

Aspace Studios

p.o. box 851, Glendora, CA 91741 31 miles

Luxury Builds

Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.

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:

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.

ADU Contractors near Los Angeles, CA