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Westchester County GIS

Westchester County Geographic Information Systems (GIS) develops, maintains and distributes digital data for Westchester County, New York. The program offers a wide range of online data as well as providing technical support to both local and county government agencies through highly trained and experienced staff.
In 2000, Westchester County GIS led development of the first countywide digital base map which now provides the spatial foundation of the county’s GIS program. Maintaining state-of-the-art computing and GIS facilities in White Plains, New York, Westchester County GIS staff utilizes the latest versions of the Environmental Systems Research Institute (ESRI) software for internet, desktop, and field applications, with Oracle as its database management system.   The program supports systems integration with latest innovative technologies such as Google Earth, Virtual Earth, ArcExplorer, and GeoPDF. 
Westchester County GIS continues to focus on applications in the areas of emergency response and public  safety and health, infrastructure management, land use planning, transportation, natural resource management, and Green technologies. 

2016 Westchester GIS User Group Meeting

user group meeting
Join us with other geospatial professionals at the 2016 Westchester GIS User Group Meeting on May 12th at Purchase College. Listen & participate in a wide range of geospatial presentations covering the areas of web mapping, data collection, and much more. Please check our website regularly for updates on speakers, agenda and campus parking information.
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Featured Application
      Department of Planning
 Historic Photo Viewer
Purchase College
GIS Certificate Program
Spring 2016 Course:
Using Cloud Based and Online Platforms

Registration Information
Snowfall Isopleth
Winter Storm Jonas

GIS Newsletter
Issue: Fall 2015 (633 KB)
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White Plains, New York 10601