. You do not need to login to use the map applications below. If you have an account, See Special Instructions on the Login Page..
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:
Map Viewer with HTML5View more than 100 map layers including property boundaries, hazards, jurisdictions and natural features. Query by address or Assessor Parcel Number. Print maps. Best viewed using current versions of Internet Explorer, FireFox and Google Chrome. Also runs in smart phone and tablet browsers!
FEMA Flood InformationEnter Assessor parcel number (found on your property tax bill) or street address to view FEMA flood maps as well as any nearby properties that have been removed from FEMA’s flood hazard zones via a successful Letter of Map Change.
Transportation Authority Traffic CountsTransportation Authority traffic counts for freeway ramps and selected road segments (some of which are in TAM’s Congestion Management Plan).
Road MoratoriumView streets that have prohibitions on planned excavations for a specified time, typically five years.
Map Viewer with extended toolkitUsing Microsoft's "Silverlight" web browser plug in, this app offers many additional tools for digital maps including buffering, selection, and adding map services. Your browser must have this plug in installed and enabled. Works only with Internet Explorer version 11 and pre-version 52 of Firefox.
LAFCO Change AreasLAFCO = Local Agency Formation Commission. View city and special district boundaries with a focus on changes to those boundaries. Linked to the map entities is access to the official agency documents relating to formation, addition, removal and dissolution of agency boundaries.
Ortho Aerial Image DownloadThis application is used to download Orthographic Imagery from 2004, 2011 or 2014. It allows you to clip or Export a Map to a downloadable image file OR include georeference data to import the image into a mapping program.
Street lightsView street light locations. Marin General Services Authority contracts with DC Electric Group for streetlight maintenance. Report outages to DC Electric using the application.
BenchmarksLocal benchmarks denoting elevation plus National Geodetic Survey geodetic control stations that provide a base of reference for latitude, longitude and height throughout the United States.
Urban Wildland InterfaceDisplays areas that are within the Wildland Interface Area where Fuel Reduction requirements will apply. Cal Fire Information
GIS Data PortalThis site provides access to all of County of Marin's published open (GIS) data. You can view it, map it, style it, chart it, download it or share it