California adopted a new fire code in 2013, based on the 2012 International Fire Code. You can view a copy of the current statewide Fire Code here.
The 2013 California Fire Code includes Section 510, regulating Emergency Responder Radio Coverage in new buildings. Section 510 has been adopted statewide, but certain municipalities have made city-specific amendments to Section 510. For city-specific adoptions, along with the relevant Section 510 amendments, view: