GIS Maps and Data

Mobile-friendly Links:

Map Portal; Download GIS Data; Order GIS Data; Assessor Tax Query; View PDF Maps

Browse our interactive maps where you can look up information such as your supervisor, parcel, address, and flood zone. 

Download GIS data in KML (Keyhole Markup Language) to view in Google Earth's geographic browser.

Order digital GIS data, and existing hard-copy maps, or have a custom order map created.

Query tax assessment records by using the County Assessor's search tool.

View and download commonly requested printable maps in Adobe Acrobat (PDF) format.