If you are a business in the Diamond Business District but do not have a business tax certificate you are not a member.
Contact the City of San Diego Office of Small Business to update your Business Tax Certificate by clicking the link below:
Apply for a Business Tax Certificate
Or apply for Associate Membership by completing the form in the link below:
http://sdbd.org/wp-content/uploads/2023/09/Membership-Application-2023-1-7.pdf