GIS Links

GIS REST services

These links provide convenient access to web map services (REST services) that provide data relevant to San Diego County. These services can be used in your GIS software to quickly create the basis for your maps and presentations. Some of the services offer data just for San Diego County while others provide data for the State of California or the nation as a whole..

Please Note: These links take you away from the SanGIS website and the pages will open in a new browser window. Just close that window to return to our website. Problems with the links on these pages should be reported to that site owner. If the link appears to be inactive please let us know by sending email to

County of San Diego

SANDAG Rest Services

A full set of base map services and information including aerial imagery, census tracts, municipal boundaries, and other useful information.

SanGIS/SANDAG Base Map Services

The full set of layers used on the SanGIS/SANDAG interactive map. Includes base map polygons and lines/points as separate services at standard web mapping scales. Also has district, ecology, and places layers.

County of San Diego Rest Services

Various base map layers maintained by the County of San Diego. Also includes geocoding services that rely on SanGIS landbase information.

City of San Diego

City of San Diego REST Services

Geocoding services, base maps, City CIP projects, and other map services provided by the City of San Diego. Includes a hill shade for the County of San Diego and a political map of the United States.

State of California ArcGIS Services Directory

REST services covering the entire State of California in four different categories plus multiple locator services.

Department of Fish and Wildlife BIOS Data Services

California Department of Fish and Wildlife map services providing topography, hill shade, and other base maps, NAIP imagery, marine habitat and other project information.

US Geological Survey

Web Mapping Services

Web mapping services used by The National Map include the national hydrography data set, land cover, governmental unit boundaries, and other nation-wide data sets.