Cal. Bus. & Prof. Code § 21702

The owner of a self-service storage facility and his or her heirs, executors, administrators, successors, and assigns have a lien upon all personal property located at a self-service storage facility for rent, labor, late payment fees, or other charges, present or future, incurred pursuant to the rental agreement and for expenses necessary for the preservation, sale, or disposition of personal property subject to the provisions of this chapter. The lien may be enforced consistent with the provisions in this chapter.