Find maps, apps, spatial data, and more on San Mateo County's GIS open data site

CCSD is a GIS data set that contains detailed outlines of the lands used by public schools for educational purposes. The campus boundaries of schools with kindergarten through 12th grade instruction are each accurately mapped at the assessor parcel level. CCSD is the first statewide database of this information and is available for use without restriction.

Basemap map service of San Mateo County. Includes county boundary, roads, park boundaries, and shaded relief. For use as a basemap in online maps.

Spatial Reference: 102100 (3857)

More information about the service itself can be found here: http://gis.co.sanmateo.ca.us/arcgis/rest/services/COMMON/SAN_MATEO_COUNTY_BASEMAP/MapServer