California Code, Financial Code - FIN § 6518

(a) An association may maintain and rent safes, boxes, or other receptacles or premises for the safekeeping of personal property upon terms and conditions that may be agreed upon.

(b) An association that rents or otherwise makes safe-deposit boxes available to the public is entitled to all of the remedies set forth in Article 2 (commencing with Section 1660) of Chapter 13 of Division 1, and may dispose of the unclaimed contents of safe-deposit boxes in the manner set forth in that article.