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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. 


Explore Changes Side-by-Side in Aerial Photos

maps
Click images above to access the interactive maps to explore changes side-by-side in aerial photos taken in years of 2000, 2004 and 2013. Westchester County GIS has published 11 years (for select years between 1947 to 2013) aerial photos as map services available for public access and integration to third party applications. To check all available aerial photos, go to Municipal Tax Parcel Viewer or Mapping Westchester County applications.
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Issue: Spring 2014 (21 M)
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White Plains, New York 10601