California Code, Government Code - GOV § 3202

(a) “Local agency” means a county, city, city and county, political subdivision, district other than a school district, or municipal corporation.  Officers and employees of a given local agency include officers and employees of any other local agency whose principal duties consist of providing services to the given local agency.

(b) “State agency” means every state office, department, division, bureau, board, commission, superior court, court of appeal, the Supreme Court, the California State University, the University of California, and the Legislature.