Cal. Business and Professions Code § 2021

(a) If the board publishes a directory pursuant to Section 112, it may require persons licensed pursuant to this chapter to furnish any information as it may deem necessary to enable it to compile the directory. (b) Each licensee shall report to the board each and every change of address, including an email address, within 30 days after each change, giving both the old and new address. If an address reported to the board at the time of application for licensure or subsequently is a post office box, the applicant shall also provide the board with a street address. If another address is the licensee’s address of record, the licensee may request that the second address not be disclosed to the public. (c) Each licensee shall report to the board each and every change of name within 30 days after each change, giving both the old and new names. (d) Each applicant and licensee shall have an electronic mail address and shall report to the board that electronic mail address no later than July 1, 2022. The electronic mail address shall be considered confidential and not subject to public disclosure.