California Code, Government Code - GOV § 25350.51

(1) To lease real property for use by the county or to obtain the use of real property for the county by license for a term not to exceed five years and for a rental not to exceed ten thousand dollars ($10,000) per month.

(2) To amend real property leases or licenses for improvements or alterations, or both, with a total cost not to exceed ten thousand dollars ($10,000) provided that the amendment does not extend the term of the lease or license and that no more than two amendments, not to exceed ten thousand dollars ($10,000) each, are made within a 12-month period.