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.
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Contact Shane Blair in the Marin County Assessor's Office for parcel attributes related to the annual assessment roll, including property owner names and mailing addresses.
Phone = 415-473-7024; 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.