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Welcome to MarinMap

MarinMap is a consortium of public agencies (local governments, special districts) that have joined together to create a Geographic Information System (GIS).  MarinMap agencies cooperate to improve each other's business processes, improve public service and provide a forum for collaborative decision making.  Learn more at “About MarinMap” page.

If this is your first time here and want to lookup geographic information, click on our GIS Applications Page to use special-purpose GIS applications OR use our Map Viewer application.  Click on the Parcel/Address Search tool and enter the address or Property  ID (Assessor parcel number found on your tax bill).


Please offer suggestions or report errors via email to

What's New - Announcements
2014 Ortho/Aerial Photo are available - Thursday, February 19, 2015
2014 Ortho layer has been added to the GIS Applications, and to the MM_Local_Imagery  map service. 
Sea Level Rise layer added to City Town Planner application - Friday, December 19, 2014
See if you are affected by the 1 to 6 foot rise in sea level (based on NOAA scenarios). 
MarinMap Mobile
We have web pages tailored to mobile devices.  If you have a QR/Barcode scanner scan this symbol