100 Best ADU Builders in Los Angeles, California
Verified ADU contractors and builders in Los Angeles, CA
Showing 61–90 of 100 listings — Page 3 of 4
Los Angeles A+
Los Angeles ADU Pros
Los Angeles Retrofit & Construction
M.E.Development, Inc.
Maingreen Remodel & Construction
Mariam Long Beach ADU Builders
MDM General Contractor
MF ADU
Modesto ADU Company
Mossa General Contractor ADU Windows
NA Design Builders Los Feliz
NEO Builders
NEO Builders is a locally owned and operated construction and design company that helps every client individually and brings a unique perspective to each build.
Oasis Builders, Inc.
Ohayon Construction - Kitchen & Bathroom Remodeling General Contractor ADU Builders
Onyx General Construction Company
Otto ADU
Our designers, builders, and engineers have one goal: Make it easy for Los Angeles homeowners and contractors to create beautiful ADUs. Our team has designed over 100 ADUs in LA County, and a combined 25 years of experience managing complex architectural projects around the world.
Pasadena Master ADU Builder
Polestar ADU Builders
Precise Building and Restoration
Premier Hi End Builders
Premium ADU Solutions
Reliable ADU Builders
Revival Homes
Riverside ADU Construction
Royal ADU Builders
Services for Garage Conversion
Simi Valley ADU Contractors
Simply Remodeling
Skyline ADU Solutions
Socal Upgrades ADU
Frequently Asked Questions — ADU Builders in Los Angeles
How much does it cost to hire an ADU builder in Los Angeles?
ADU construction costs in Los Angeles, California vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Los Angeles to get accurate quotes for your specific project.
How long does it take to build an ADU in Los Angeles?
In Los Angeles, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on California local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Los Angeles?
Yes, a building permit is required for ADU construction in Los Angeles, California. Your ADU builder will typically handle the permit application as part of their service. California has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Los Angeles?
Common ADU types in Los Angeles include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Los Angeles ADU builder can advise on what's allowed on your specific parcel.