GIS Data Download

The digital GIS data below is being provided as a public service to interested parties.
This data is extracted on a periodic basis, typically twice per year, on or about the middle of January and again in July.
This data is a "snapshot" at time of export, and may not be absolutely current.
The latest export occurred on January 13, 2026.

If you are in need of more current data, and/or require some other form of custom export/extract, please see the GIS Data Request page for information on how to place such a request.

This data is technical in nature and requires certain skills and appropriate software to access and use successfully. San Joaquin County cannot and will not provide any technical support for the use of this data outside the scope of normal County business operations.

This data is provided as Esri shapefiles in Zip archives. (unless stated otherwise)

DISCLAIMER:   This data is subject to the standard disclaimer.  See terms and conditions of use for full details.  Any use of this data shall constitute acceptance of these terms.