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City and County of San Francisco
Office of the Treasurer & Tax Collector
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12/14/2025
Check here if you would like to preview a blank sample form with data we have about your business. This sample form can be a useful tool in gathering the necessary information. It can be viewed and printed but cannot be submitted. Return to this site when you are ready to file and submit your Returns.
To begin filing , enter:
Your twelve (12) digit Location Identification Number
Last four (4) digits of Federal Taxpayer Identification Number
Your eight (8) character Online PIN
Filing Period