State Government in Mason City, IA Department of Human Svcs22 N Georgia Ave # 1Mason City, IA, 504016414249977Department Of Human ServicesDhs OfficeGovernment OfficesNrcsState PrisonWeigh Station Mason City Parks Dept802 3rd St NEMason City, IA, 504016414213672Dog ParksGovernment OfficesParks And RecreationPhone Number County Jail In Albert LaeState Parks Show MoreSee AlsoJustice Courts