Data in shape file format is grouped under categories and listed in Alphabetical order.
Click on the plus sign (+) to open a category folder.
All data are in California State Plane coordinates, NAD83 HARN, US Survey feet.
Files have been compressed into zip files to reduce their size - unzip to restore.
Note: Disable any Popup blockers in browser toolbars such as Google, MSN, AOL, etc.
Contact Nancy Carpenter in the Marin County Assessor's Office for parcel attributes related to the annual assessment roll, including property owner names and mailing addresses.
Phone = 415-473-7228; email = firstname.lastname@example.org
California Public Records Act
Users are encouraged to use our cloud based open data portal to download data in various formats.