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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. 

County Properties Listed on the National Register of Historic Places

In an effort to promote tourism and raise the awareness of the historic sites in Westchester County, County GIS recently updated the historic sites database and created this story map that highlights county properties listed on the National Register of Historic Places. Click the images above to explore each site with more information.
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Power of Maps
GIS Certificate Program

  Offered by Purchase College
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Strategic Plan
Strategic Plan
GIS Newsletter
Issue: Spring 2015 (3 M)
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White Plains, New York 10601