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LA County GIS Viewer

The LA County GIS Viewer is fully running. The objective of the GIS Viewer is to publicize the County’s GIS authoritative data holdings and enable wide access to them through a powerful set of web-based GIS tools. Click on the image below to launch the viewer or go to http://gis.lacounty.gov/gisviewer. You will need to install Microsoft’s Silverlight tool in order to utilize the viewe. Please be patient as the viewer loads all the datasets.


For further information about the viewer or to download the training manual and see training videos, go to the Los Angeles County Enterprise GIS site > “GIS Applications” menu > and click on “LA County GIS Viewer”.

Have Fun!

Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date:
Accuracy: Other
Update Frequency: As Needed
Access Constraints:None

Contact Information
Christine Lam

Los Angeles County
Internal Services Division


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