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Office of the City Treasurer

Master Business Listings

The following files include active businesses who have registered for a City of San Diego Business Tax Certificate. The files are updated the first week of each month and include the following information: Business Tax Certificate number, certificate effective dates, business name, business address, business phone, ownership information, and business activity.

This file is provided in .csv format. Excel or other spreadsheet applications will automatically recognize the .csv file extension and import the data into appropriate columns. For questions or downloading assistance, please email us at or call (619) 615-1500

Active Business Listing

The following files include all registered businesses that are active and paid.

Previous Month Business Tax Listing

The following files include new businesses who registered during the previous month.