Accessory dwelling unit cost — 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
Total costs are influenced by the complexity of your site, the square footage of the unit, and the specific utility upgrades needed to support a new home. Choosing between a prefab unit and a custom build also changes your bottom line. We provide exact pricing confirmed free on the call.
Frequently asked in Chico
What's the fastest way to get an ADU built in Chico?
The quickest ADU builds in Chico often involve prefabricated units. These are built off-site and then assembled on your property. The permitting process still needs to be followed carefully, but the on-site construction time is reduced. Your chosen pros can advise on the best options for speed. They understand the local building codes in Chico.
What are the rules for ADUs in Chico?
Can I get a pre-fab ADU delivered to Chico?
Yes, prefabricated ADUs are a popular option and can be delivered to Chico. These units are built in a factory and then transported to your site. It's a great way to speed up construction. The pros we work with can arrange for delivery and installation. They’ll ensure it meets all local Chico building standards.
How do I get a permit for an ADU in Chico?
Are there any grants for ADUs in Chico?
What does 'accessory dwelling unit' actually mean?
An accessory dwelling unit, or ADU, is a second, smaller living space on a single-family home lot. Think of it as a guest house or a rental unit. It has its own entrance and basic living facilities. ADUs are a great way to increase housing density and provide flexible living options in Chico.
What services are available for ADUs 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 Preserve, Barney's Park, Masonic Home — and every surrounding area.
Areas we serve
Browse by state, then city.