The 80 Acre maps show historical parcel divisions and house numbers, 80 acres at a time, as well as historical topography and water features.
Every time you look up an address on Chicago Cityscape you can quickly look at the 80 acre map that contains the address and the surrounding maps. Easily download the maps from the City of Chicago’s website as a TIF or PDF.
Once you load a Property Report, look for the Zoning Assessment and then expand the zoning assessment. The 80 Acres map will be at the bottom-left.
Learn more about the 80 Acres maps in our Sources directory.