California Code, Government Code - GOV § 14672.16

(a) Notwithstanding Section 14670, the Director of General Services, with the consent of the Department of Corrections or the Department of the Youth Authority may let, in the best interest of the state, any real property located within the grounds of a facility of the Department of Corrections or the Department of the Youth Authority to a public or private entity for a period not to exceed 20 years for the purpose of conducting programs for the employment and training of prisoners or wards in institutions under the jurisdiction of the Department of Corrections or the Department of the Youth Authority.

(b) The lease may provide for the renewing of the lease for additional successive 10-year terms, but those additional terms shall not exceed three in number. Any lease of state property entered into pursuant to this section may be at less than market value when the Director of General Services determines it will serve a statewide public purpose.