Geographic Information Systems
To access the Town of
Town of Cortlandt WebGIS
Please be advised our GIS program has changed. To confirm Zoning on a particular site in the Town outside the Villages:
Silverlight is no longer required.
WebGIS works on all modern browsers and devices.
Below are instructional videos on how to use the new WebGIS:
How to Basics
Measure & Print
To access the Westchester County GIS system: Westchester County GIS
Prior to clicking the links above you should be aware of the following:
The Town of Cortlandt's GIS system will have tools that Westchester County's GIS system does not and vice - versa. You may want to visit both sites.
The Town's GIS system contains digital map data of the Town of
If you desire more information about the ownership of a parcel please contact our Assessor's
office at (914) 734-1040.
please contact the DOTS Code Enforcement Division at (914) 734-1010.
If you have a specific question about GIS please email us at
To confirm Zoning on a particular site in the Town outside the Villages:
Pop Up Blocker Software:
If you plan to print maps from home you will need to turn off any “Pop Up Blocker” software you may be using.
To Print a Map at Home:
Requires require Adobe Reader