
Custom Construction Group
Specializing in ADU construction and related services in Anaheim, CA.
Looking for the best custom ADU builders in Anaheim, California? Our directory features 6 vetted custom adu builders serving the Anaheim area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

Specializing in ADU construction and related services in Anaheim, CA.

Anaheim ADU Builders. Home builder. 421 N Brookhurst St, Anaheim, CA 92801, United States

ADUscale. Home builder. 528 W Hampshire Ave, Anaheim, CA 92805, United States

Orange County Construction ADU Contractor. General contractor. 1173 N Red Gum St, Anaheim, CA 92806, United States

Elite Design and Remodeling. General contractor. 1440 S State College Blvd Suite 2D, Anaheim, CA 92806, United States

AccuBuild OC. General contractor. 1909 E Santa Ana St, Anaheim, CA 92805, United States
Anaheim is one of the top markets for accessory dwelling units in California. With growing demand for affordable housing, ADU construction in Anaheim offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of custom adu builders in Anaheim helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Anaheim 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 custom adu builders to compare prices.
Yes, ADU construction in Anaheim 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 Anaheim 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.