The Marin County Geographic Information Systems Open Data program provides location-based local government data.
Here you’ll find:
- Schools and libraries
- Environment and natural hazards
- Public safety
- Transportation and trails
- Boundaries and districts
- Parcels and addresses
- Aerial and elevation data
- Vegetation and land cover data
Maps are for informational purposes only and are not survey accurate. You'll need to disable popup blockers to use these applications.