Estimated business tax payments are due April 30th, July 31st and October 31st. Estimated payments shown in the Business Tax Payment Portal are based on your Annual Business Tax Filing or extension payment. In general, each quarterly payment equals 25% of your annual business tax liability. Learn more about how these amounts are calculated below.
You will need:
- Seven (7) digit Business Account Number.
- Last four (4) digits of your business Tax Identification Number (Federal EIN or SSN).
- Eight (8) character Online PIN. (Request a PIN Reset)
To Pay by Mail: Remit your payment and remittance detail to: San Francisco Tax Collector, P.O. Box 7425, San Francisco, CA 94120-7425
Estimated quarterly payments are generally calculated as 25% of your annual business tax liability.
- If you have filed your Annual Business Tax Return:
Each quarterly payment is 25% of the total tax due for that filing year. - If you have timely requested an extension:
Each quarterly payment is 25% of your required extension payment.
The quarterly estimated payment shown in our system is based on your previous Annual Business Tax filing. You may pay the lesser of the amount displayed or an amount equal to 25% of your Business Taxes due for the current year, which may be $0.