7 Best ADU Builders in Los Angeles, California
Verified ADU contractors and builders in Los Angeles, CA
Showing 1–7 of 7 listings
ADU California Modern Design
Transform your Los Angeles property with modern accessory dwelling units designed to maximize space and add valuable rental income or multi-generational living options. Our expert team specializes in contemporary ADU construction, from initial design through permitting and completion, helping you navigate local regulations and build the perfect secondary residence.
ADU Contractors Hollywood
Specializing in accessory dwelling unit construction throughout Los Angeles, this contractor provides comprehensive ADU design and building services to help homeowners maximize their property value and rental potential. From initial permitting and planning to final inspections, they deliver expert craftsmanship tailored to Los Angeles building codes and neighborhood requirements.
ADU Los Angeles
Specializing in accessory dwelling unit construction throughout Los Angeles, we deliver expert design and build services to maximize your property's potential with compliant, quality ADU projects. From permits to completion, our experienced team handles every phase of creating additional living space on your residential property.
Golden ADU
Specializing in accessory dwelling unit construction throughout Los Angeles, this contractor handles everything from initial design consultation to final installation of ADUs on residential properties. With expertise in maximizing limited spaces and navigating local building codes, they help homeowners add rental income or guest housing to their existing properties.
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.
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.
The ADU Guru
Specializing in accessory dwelling unit construction throughout Los Angeles, this contractor transforms properties with expertly built ADUs that maximize your home's potential and rental income. From design consultation through final inspection, they handle every aspect of creating compliant, high-quality living spaces on your existing lot.
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.