Cost of accessory dwelling unit — Chico, 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
Building an ADU involves several variables that shift your final total, such as the size of the unit, whether you choose a detached structure or a garage conversion, and the complexity of your site’s plumbing and electrical needs. We help you navigate these choices to keep your project on track. Exact pricing confirmed free on the call.
Frequently asked in Chico
What's the typical process for getting an ADU contractor in Chico?
Are there pre-fab ADU options available in Chico?
What kind of ADU services can I expect in Chico?
Chico homeowners can expect a full range of ADU services. This includes design consultation, navigating permits, and construction. Professionals handle everything from foundation to finishing touches. They ensure your new unit meets all local building standards. It’s a comprehensive approach to adding space.
How do local ADU rules work in Chico?
What are the benefits of a backyard ADU in Chico?
What affects the cost of an ADU permit in Chico?
Can I rent out an ADU in Chico?
Also serving nearby: Redding · Roseville · Sacramento · Elk Grove · Vacaville
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Chico — population 101,301; about 2,934 residents per square mile across 34.5 sq mi. ZIP codes covered include 95926, 95927, 95928, 95929, 95973, 95976.
Neighborhoods served in Chico: Humboldt Park, Five Mile Drive, The North Valley, The South Campus — and every surrounding area.
Areas we serve
Browse by state, then city.