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Welcome to MarinMap

MarinMap is a consortium of public agencies (local governments, special districts) that have joined together to build and use a Geographic Information System (GIS) for their day-to-day operations.  In addition to maintaining a GIS, MarinMap agencies cooperate to improve each agency's business processes, improve public service and provide a forum for collaborative decision making.  Learn more at the “About MarinMap” page.

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


  If you have any suggestions or ideas you want to see on the site please email gisprojects@marincounty.org

What's New - Announcements
2014 FEMA Flood Zone Data available - Monday, March 31, 2014
New flood zone data released from FEMA  March 2014.  THe 2009 FEMA data is being left in the applications for comparison purposes. 
Changes to New Notification Application - Tuesday, February 25, 2014
Notification application now produces a Combined (Excel) CSV file.  the Contains Owners And Non Owner residents.  Added the Layer for non owner residents. 
Internet Explorer V11 issues UPDATE.... - Monday, December 09, 2013
It is noted that there is an problem getting the autosuggest to work in the Parcel Search function  of Map Viewer, CIty Town Planner,  etc   on IE v11.   This version requires that the compatability view  be set.  This settings can be changed in the Tools menu. If you add marinmap.org to the websites for compatability the autosuggest should work. You may NOT see the compatability button  next to the address bar.     Click Here for more information
MarinMap Mobile
We have web pages tailored to mobile devices.  If you have a QR/Barcode scanner scan this symbol