GOVERNMENT OFFICES & PUBLIC ADMINISTRATION Keywords: Advanced Search Directory View All Listings Add Listing #0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ(Reset) View Listing Office of L.A. County Supervisor Janice Hahn 213-974-4444 11911 Artesia Blvd., Suite #104A, Cerritos, CA 90703 Read More Janice Hahnwww.hahn.lacounty.gov