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Account Update

Introduction and Instructions for Updating Business Information

Every person doing business in the City & County of San Francisco must possess a valid Business Registration Certificate.
As part of being an active business in San Francisco, accurate and current information is required.

The below application allows you to correct and update information that the Tax Collector has on file for your business entity. The Tax Collector uses this information for all official communication about your business taxes.

After logging into the application, you can do the following things:
  • Related Entities - Modify or create the combined group
  • Change your mailing address – Mailing addresses are used for all official communication
  • Close or Open a business location – All locations of operations must be recorded with the Tax Collector. Changes may take up to four (4) business days to complete and will not be visible until that time.
  • Close your business – Operations will no longer be allowed; Ceasing operations will stop all mail and inactivate the business.

Need further assistance?

Submit your question by clicking on the link below. A Representative will contact you on the SAME DAY of the request if submitted prior to 7pm. Requests received after 7pm will receive a response by the next business day.

Submit service request

To make any changes or view your information, have the following information ready:
  • Seven (7) digit Business Account Number
  • Last four (4) digits of your Tax Identification Number

All fields with the red border are required. Use the green Continue buttons and NOT the browser buttons.

At the bottom of each page, use Tabs button to move forward.

Use these tabs at the top of each page to review a previous page. Tabs

Before the final submission you will an opportunity to 'review' Tabs your data.

Check here if you would like to preview a sample form with data we have about your business. This form could 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 enter and submit your account changes.

Sign In to Account Update

Seven (7) digit Business Account Number:
Last four (4) digits of your Business Tax Identification Number: