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Map Services for Developers
Service Center > Map Services > For Developers

The ArcGIS Server REST API provides a simple, open Web interface to services hosted by ArcGIS Server.  From the ArcGIS Server REST page you can view Map Server in ArcGIS as a layer file (.lyr), in ArcGIS Explorer  as map file (.nmf) or in Google Earth as a kmz file.  You can also view map service information such as layer names and supported interfaces.
 
**Note** Some layers are scale dependent and will only display when zoomed in close enough.

Available map services
Mapping Westchester County   Map Service for AutoCAD Users
Mapping Westchester County - Base Map   Mapa de Westchester County (Spanish users)
Mapping Westchester County Base Map - Light   Aerial Photos 1947-2009
Municipal Tax Parcels   Environmental Features
Digital Elevation Model   Digital Surface Model
 

Disclaimer: Westchester County GIS map services are intended to be used to support and augment generalized web based mapping applications and should not be relied upon as a sole or definitive source of geographic, coordinate, or address information. Geographic data published by the County of Westchester is inherently dynamic and in constant change. Westchester County GIS will update geospatial datasets included County published map services based on available resources and authoritative source documents. Westchester County hereby disclaims any liability for any and all damage, loss, or liability which may result, directly or indirectly, from the use these map services by any person or entity.

Technical Support: Monday - Fridays, 8 AM - 4 PM  (except holidays)
Service interruptions may occur due to system and software upgrades and routine maintenance.

Organizations consuming county map services are encouraged to notify Xiaobo Cui at xxc1@westchestergov.com or Zhenglu Zhang at zqz1@westchestergov.com so notifications can be sent to the appropriate contacts announcing planned service interruptions.

 
  

Mapping Westchester County

The Mapping Westchester County map service contains over 150 features such as environmental features, facilities and services, district boundaries, transportation features, census demographics and much more.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty/MapServer

Type: Dynamic
WMS
  http://giswww.westchestergov.com/ArcGIS/services/MappingWestchesterCounty/
MapServer/WMSServer?request=GetCapabilities&service=WMS
  

Mapping Westchester County - Base Map

Mapping Westchester County-Base Map map service includes several county base layers including municipal boundaries, public schools, train stations, lakes and parks.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_Basemap/MapServer

Type: Tiled
WMS
  http://giswww.westchestergov.com/ArcGIS/services/WestchesterCountyMap_Light/ MapServer/WMSServer?request=GetCapabilities&service=WMS
 

Mapping Westchester County Base Map - Light

Light version of Mapping Westchester County.  Includes a only few county base layers.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
WestchesterCountyBaseMap_Light/MapServer

Type: Tiled
 

Municipal Tax Parcels

This map service contains tax parcel boundaries covering Westchester County.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
MunicipalTaxParcels/MapServer

Type: Tiled
 

Digital Elevation Model

This data represents a Digital Elevation Model (DEM), or bare-earth elevation surface, of the County of Westchester, New York, in a grid where each grid cell is 3-meters (9.84 feet) by 3-meters. This grid was produced from LiDAR data acquired in spring, 2009.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
DigitalElevationModel/MapServer

Type: Tiled
WMS
  http://giswww.westchestergov.com/ArcGIS/services/DigitalElevationModel/MapServer/WMSServer?request=GetCapabilities&service=WMS
 

Digital Surface Model

Digital Surface Model: a one-meter-resolution countywide raster created from spring-2009 LiDAR "first-returns". Enhanced with a shadowed "hillshade", uppermost surfaces of structures and landscapes are seen as 3-dimensional objects. The DSM can be used for planning and visualizations, for siting solar power installations, to analyze vegetation density, etc.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
DigitalSurfaceModel/MapServer

Type: Tiled
WMS
  http://giswww.westchestergov.com/ArcGIS/services/DigitalSurfaceModel/MapServer/WMSServer?request=GetCapabilities&service=WMS
 

Environmental Features

Environmental Features: protected areas, sensitive features (soils, wetlands, slopes, etc.), and state- or federally-regulated activities (i.e., wastewater discharge), on a basemap elevation model.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
EnvironmentalFeatures/MapServer

Type: Dynamic
WMS
  http://giswww.westchestergov.com/ArcGIS/services/EnvironmentalFeatures/MapServer/WMSServer?request=GetCapabilities&service=WMS
 

Map Service for AutoCAD Users

This map service was created for AutoCAD users, such as engineers and surveyors. Detailed 2-foot contour lines and planimetric features such as buildings, paved surfaces (including sidewalks, parking lots, driveways and the edge of pavement) and street centerlines are included in this map service. Environmental features such as wetlands and soil type delineation can also be viewed using this map service.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
CADWMS/MapServer

Type: Dynamic
WMS
  http://giswww.westchestergov.com/ArcGIS/services/CADWMS/MapServer/
WMSServer?request=GetCapabilities&service=WMS
 

Mapa de Westchester County (for Spanish users)

This map service was originally created for Spanish speaking users accessing the map service and using ArcGIS Explorer (Spanish Version) client software. The map service include the most frequently requested layers such as municipal halls, schools, libraries, hospitals and bus routes. All layer names have been translated into Spanish.

Map Service REST Endpoint
  http://giswww.westchestergov.com/ArcGIS/rest/services/
Mapa_de_WestchesterCounty/MapServer

Type: Tiled
 

Aerial Photos 1947-2013

Historical Countywide aerial photos from 1947 - 2013

Map Service REST Endpoint
Type: Tiled
  1947
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto1947/MapServer
   1960
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto1960/MapServer
   1976
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto1976/MapServer
  1990
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto1990/MapServer
  2000
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2000/MapServer
  2004
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2004/MapServer
  2007
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2007/MapServer
  2009
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2009/MapServer
  2010
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2010/MapServer
  2011
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2011/MapServer
  2013
http://giswww.westchestergov.com/ArcGIS/rest/services/
MappingWestchesterCounty_AerialPhoto2013/MapServer

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White Plains, New York 10601