California has adopted the new building codes which go into effect January 1, 2026.
Every three years, the State adopts new building model codes to establish uniform standards for construction and maintenance. Changes to the model code affect all new building permit applications submitted on or after January 1st, 2026. The 2025 Triennial Edition of Title 24 can be located for viewing on the California Building Standards Commission website.
Summary documents are available from various sources online that outline changes in the 2025 California Building Standards Code. The Building Standards Commission has developed a website with a summary of California amendments in the 2025 edition of Title 24 and a pdf is available for download at the link below.
2025 Title 24 California Code Changes
Building Design Criteria
Design criteria are used by registered design professionals (architects/engineers) when conducting engineering analysis. Review the Design Criteria handout for more information.
Climatic and Geographic Design Criteria
Determining Parcel Specific Information
Use the ASCE Hazard Tool for site specific design criteria like wind, snow, and seismic design values.
Snow Loads
Snow load data is now provided by the ASCE Hazard Tool.
To make an appointment to submit an application, please contact our office at (530) 225-5761 or via email at resourcemanagement [at] shastacounty.gov (resourcemanagement[at]shastacounty[dot]gov). The Permit Center Office hours are 8 AM to 5 PM. We ask you arrive by 4:00PM to submit an application.