This data set contains parcel polygons for the year 2017. The cadastral data for Cook County have previously not been digital nor automated. This database was designed to represent a continuous, non-overlapping spatial database accounting for all land area in Cook County.
While efforts have been made to be as accurate as possible, Cook County provides the data for personal use “as is”. The data is not guaranteed to be accurate, correct, or complete. Information provided should not be used as a substitute for legal, business, tax, or other professional advice. The recipient/viewer should contact appropriate regulating agencies to determine accuracy or suitability of the data for a particular use. Cook County or its staff assume no liability whatsoever for any losses that might occur from the use, misuse, or inability to use its geospatial data, maps or websites. All materials appearing on a map, geospatial data or County GIS web site are transmitted without warranty of any kind and are subject to the terms on this disclaimer.