Cal. VEH § 11513

(a) The department shall not issue an automobile dismantler’s license to any applicant for that license who has not an established place of business as defined in this code. If the automobile dismantler changes the site or location of his or her established place of business, he or she shall immediately upon making the change notify the department. If the automobile dismantler, for any reason ceases to be in possession of an established place of business from and on which he or she conducts the business for which he or she is licensed, he or she shall immediately notify the department and, upon demand by the department, shall deliver to the department the automobile dismantler’s license, and all books and forms provided by the department in his or her possession.

(b) Any person licensed under this chapter who has closed his or her established place of business may be served with process issued pursuant to Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code by registered mail at that place of business, unless the person has notified the department in writing of another address where service may be made.