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How to Read an Assessor Parcel Map

Use this guide to help you read and understand your assessor parcel map.

How to Read a Map

View Assessor Parcel Maps

You can view Assessor Parcel Maps on the Marin County Assessor-Recorder-County Clerk website.

To find your parcel, use this tool:

Search Assessor Records/Maps

Please note:

  • These maps are for assessment use only.
  • The County does not guarantee the accuracy of the map data.
  • Some parcels may not follow local subdivision or building rules.

To view your property on the Assessor Parcel Map

To view your property on the Assessor Parcel Map, you’ll need one of the following:

  • your 8-digit parcel number (for example, 123-456-48), or
  • your Mapbook and Page number

You can find your parcel number on:

  • your title report
  • your valuation notice
  • your property tax bill
  • your deed

View the full PDF version of this image

large view map

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Page updated May 13, 2025