Accessory dwelling unit construction — Chico, CA
Last updated: September 24, 2026
Notice how parking feels tighter around Big Chico Creek lately? That's a common sign people are looking for more space right here in Chico. Adding an accessory dwelling unit, or ADU, is a smart way to get that extra room. Think of a cozy backyard cottage or a functional unit above your garage. These units can be perfect for family, renters, or even a home office. We help you understand the process for building one in Chico. It's about making your home work better for you. You can get more living space without leaving your neighborhood. Learn about what fits your property. It's a straightforward way to add value. Call us today to find out how.
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
This is the physical process of building your unit, from pouring the foundation and framing the walls to installing plumbing and electrical. Construction quality varies based on your choice of materials and the complexity of the site design. Proper construction ensures your unit is insulated, safe, and meets all energy efficiency standards. You need this service when you have your permits ready and are prepared to build. Exact pricing confirmed free on the call.
Frequently asked in Chico
What's the best way to get an ADU built in Chico?
Can I build an in-law suite on my Chico property?
Yes, building an in-law suite is a popular use for ADUs in Chico. These are designed to house family members comfortably. You can have them live close by but with their own space. It's a great solution for multi-generational living. Discuss your needs with the pros.
What's involved in ADU construction in Chico?
What makes a 'best' accessory dwelling unit?
The 'best' accessory dwelling unit is one that perfectly fits your needs and property in Chico. It's well-designed, built to last, and enhances your lifestyle. It should also comply with all local regulations. The pros can help you achieve this ideal.
Are there specific types of accessory dwelling unit homes I can build?
Yes, there are many types of accessory dwelling unit homes you can build. Options include detached cottages, garage conversions, and additions. The pros can show you what works best for your Chico property. They'll consider your space and budget.
What are modular accessory dwelling units?
Modular accessory dwelling units are built off-site in sections and then assembled on your Chico property. This can sometimes speed up the construction timeline. It's an efficient building method. The pros can advise if this is a good option for you.
Where can I find an accessory dwelling unit contractor 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 Avenues, Canyon Lakes, Shasta-Humboldt — and every surrounding area.
Areas we serve
Browse by state, then city.