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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
New Version Web Applications Available REST & HTML 5 - Friday, August 08, 2014
MarinMap Has released new versions of the Web Applications  along with a new set of REST Map Services that are organized consistently across the applications.  There is a new Public Map Viewer and Planner apps for both City and County. SOme new apps use the SIlverlight plugin and have powerful functions that allow the user to reorder drawing and change the symbolization.  the applications are also available on the Phones and Tablets. Available to MarinMap Members. 
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