Verified
Aude-Mar, Inc.
Los Angeles, CA
5.0(5)
ADU ConstructionArchitectural Design
Greater Los Angeles' Luxury Architectural Design & Construction Firm
Looking for the best ADU design-build firms in Los Angeles, California? Our directory features 5 vetted adu design-build firms serving the Los Angeles area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
Greater Los Angeles' Luxury Architectural Design & Construction Firm
Specializing in ADU construction and related services in Los Angeles, CA.
LA Top Design-Build & General Contractor Best of Houzz 2013-2025!
Specializing in ADU construction and related services in Los Angeles, CA.
Specializing in ADU construction and related services in Los Angeles, CA.
Los Angeles is one of the top markets for accessory dwelling units in California. With growing demand for affordable housing, ADU construction in Los Angeles offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of adu design-build firms in Los Angeles helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Los Angeles typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed adu design-build firms to compare prices.
Yes, ADU construction in Los Angeles requires building permits. California has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Los Angeles typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.