Background Color:
Background Pattern:
Marin Home Page Image

MarinMap is a group of local governments, special districts and other public agencies that have joined together to create a Geographic Information System (GIS). MarinMap agencies work together to improve public service and each other's business processes, as well as provide a forum for group decision making. Learn more...

What you can do:

  • Interact with GIS maps
  • Download GIS Data
  • Watch videos to learn GIS applications

The boxes below describe MarinMap's most popular applications (trending now!)

Map Viewer
View map layers such as property boundaries, hazards, jurisdictions and natural features.  Search by address or Assessor Parcel Number.  Print maps.


View Map

FEMA Flood Map
View FEMA Flood Hazard Zones. Learn about Letters of Map Change (LOMC) to challenge flood insurance requirements.


View map

GIS Data Download

Download GIS data in shape file format; data are in California State Plane coordinates, NAD83 HARN, US Survey Feet.

Go to page

What's New - Announcements
Menus above have changed - Monday, September 12, 2016
The top level menu items have changed to only open or pull down the underlying menu and will not open a new page.  This was done to make the site more compatible with touch devices. 
Video tutorials - Wednesday, December 09, 2015
Video tutorials show how to use our map applications.  
Additional Services