Cost to build accessory dwelling unit — Anaheim, CA
Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
The expense of building an ADU varies based on site preparation, whether you need to run new sewer or electrical lines, and the level of interior customization you choose. Larger custom builds naturally require more materials and labor than simpler conversions. We provide exact pricing confirmed free on the call.
Frequently asked in Anaheim
What ADU services are offered in Anaheim?
What makes an ADU the 'best' for an Anaheim home?
What kind of ADU housing is popular in Anaheim?
What are the requirements for an ADU permit in Anaheim?
Can I get an ADU construction quote quickly in Anaheim?
Are there affordable accessory dwelling units available in Anaheim?
How do I get an ADU estimate in Anaheim?
Also serving nearby: Orange · Fullerton · Chino · Corona · Santa Ana
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Anaheim — population 340,512; about 6,771 residents per square mile across 50.3 sq mi. ZIP codes covered include 92801, 92802, 92803, 92804, 92805, 92806, 92807, 92808.
Neighborhoods served in Anaheim: Anaheim Hills, Platinum Triangle, The Colony, West Anaheim, Boardwalk — and every surrounding area.
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