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Request for change of address

Document last updated on Wednesday, May 14, 2025.

Summary

Submit this form to change the mailing address for your tax bills and all other communication with the Assessor and Tax Collector.

The Marin County Assessor is committed to safeguarding your property against fraudulent activity. To ensure all mailing address changes are initiated by the person(s) with the proper authority to make the requested change, the Assessor requires the presentation of valid government-issued photo ID.

View the PDF and electronic forms

This form may not work with all assistive technology and is being remediated. For alternative formats, please email Assessor staff or phone 415-473-7215. To use the California relay service, dial 711.

Page updated May 21, 2025