There are three options to search for a location on the map: property identification number (PIN), property address, and street intersection. Type your choice into the search box and click the green arrow.


  • PIN (either 10-digit or full 14-digit) – 17094610150000
  • Property Address – 69 W Washington, Chicago
  • Street Intersection – Washington Dearborn

The results of your search will be displayed on the left of the screen. Click on the desired result and the map will zoom to that location. For a property search (PIN or address), the property characteristics will be displayed on the left of the screen.


The measure tool allows you to measure area, distance or XY location. Once the desired measurement type and measurement units are selected you can click on the map to find your measurement.


Click the print tool and follow the dialog to print a copy of the displayed map into an Adobe PDF file.


The themes tool displays a list of themes that represent groups of data layers with a common theme. Click on one of the themes and the associated map layers will be displayed on the map.

Property Comparables

The compare tool allows you to compare the selected property with similar properties. The window pane on the left of the screen allows you to specify any combination of comparison criteria. Once the comparison criteria is set, click “Find Comparable Properties” and a list of properties will be displayed in the “Results” tab and the location of those properties will be displayed on the map. Click on a property in the list to display summary data and zoom to that property location on the map.


The advanced tool shows all available data layers that can be displayed on the map. Click the button to the left of a data layer to toggle the layer on and off in the map.

Contact Us
Email us at

69 West Washington Suite 2700
Chicago, Illinois 60602
Telephone: (312) 603-1369
Fax: (312) 603-9905


All Cook County Government (Cook County) geospatial data and maps are copyrighted. You are not entitled to repackage, resell or distribute this information without the written permission of the Cook County Board of Commissioners.

While efforts have been made to be as accurate as possible, Cook County provides the data for your personal use “as is.” The data is not guaranteed to be accurate, correct, or complete. Information provided should not be used as a substitutefor legal, business, tax, or other professional advice. The viewer should contact appropriate regulating agencies todetermine accuracy or suitability of the data for a particular use.

Cook County, nor its staff, assume no liability whatsoever for any losses that might occur from the use, misuse, or inability to use its geospatial data or maps or websites. All material appearing on the web site is provided and transmittedwithout warranty of any kind and are subject to the terms on this disclaimer.

Basic Search