The California Department of Mental Health operates five state hospitals throughout California including: Atascadero State Hospital (San Luis Obispo County), Coalinga State Hospital (Fresno County), Metropolitan State Hospital (Los Angeles County), Napa State Hospital (Napa County), and Patton State Hospital (San Bernardino County). Each state hospital provides inpatient treatment services for Californians with serious mental illnesses. Additionally, the department operates two correctional programs, Salinas Valley Psychiatric Program and Vacaville Psychiatric Program.

Atascadero State Hospital
Coalinga State Hospital
Metropolitan State Hospital
Napa State Hospital
Patton State Hospital
Salinas Valley Psychiatric Program
Vacaville Psychiatric Program