Cal. WIC § 4011

(a) The State Department of Health Care Services has jurisdiction over the execution of the laws relating to the care, custody, and treatment of persons with mental health disorders only to the extent and in the manner provided in this code. The State Department of State Hospitals shall have jurisdiction over the execution of the laws relating to care and treatment of persons with mental health disorders under the custody of the State Department of State Hospitals. (b) As used in this division, “establishment” and “institution” include every hospital, boarding home, or other place receiving or caring for persons with mental health disorders.