As of July 2019, the following municipalities and counties have preservation ordinances that have been approved for the assessment freeze program: Aurora, Belleville, Belvidere, Berwyn, Bloomington, Blue Island, Carbondale, Centralia, Champaign, Charleston, Chicago Heights, Chicago, Crystal Lake, DeKalb, Downers Grove, Edwardsville, Elgin, Elmhurst, Evanston, Galesburg, Geneva, Glen Ellyn, Glencoe, Glenview, Highland Park, Hinsdale, Jacksonville, Joliet, Kane County, Kankakee County, Lake Bluff, Lake Forest, Lemont, Lockport, Lombard, Macomb, Marengo, Maywood, McHenry County, Moline, Morrison, Mount Carroll, Murphysboro, Normal, Oak Park, O’Fallon, Orland Park, Oswego, Park Ridge, Peoria, Plainfield, Quincy, River Forest, Rock Island, Rockford, Rockton, Springfield, St. Charles, Urbana, Washington, West Chicago, Will County, Wilmette, Winnetka, and Woodstock