California Code, Business and Professions Code - BPC § 24082

The license of a licensee whose licensed premises have been destroyed as a result of fire or act of God or have been taken under the power of eminent domain, may be transferred to another location within the same county without payment of the fee for transfer of a license from one premises to another premises.  Within 18 months of the fire or act of God, if the destroyed premises have been reconstructed and the license has not been transferred to another person, the license may be transferred back to the location of the destroyed premises without payment of the fee for transfer of a license from one premises to another premises.