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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 email suggestions or ideas to

What's New - Announcements
Web site is both Desktop and Mobile device friendly - Monday, May 05, 2014
We are making changes to the web page's appearance.  This architecture/layout accommodates a wider range of computing devices.  Look for GIS applications and other page links in the menu bar.  Login link is under Pages Menu or at the Lock icon on the right. 
FEMA Flood Zone Data available - Monday, March 31, 2014
New flood hazard zone data released from FEMA  March 2014 and will be viewable in GIS applications.  The 2009 FEMA data will remain in the applications for comparison purposes. 
New Map Viewers City & Town Planner and others - Wednesday, July 16, 2014
We've been telling you not to get to cozy with that old technology,  and now the time is here...
Lastest Version of Map Viewers available Silverlight and HTML 5..  The links are on the GIS Applications page including the new City & Town Planner,  Public map viewers   read more ...
MarinMap Mobile
We have web pages tailored to mobile devices.  If you have a QR/Barcode scanner scan this symbol