Update Account Information Online

• Login into your e-file portal by using the account number and security code.
• Click on the "Modify Account Information" action type at the bottom of the account information page.

Update Account Information by Email

• Send an email to [email protected]
• Subject Line: Account# Update Account Information.
• Include any changes that need to be made on the account.
• If the changes include an address change into a commercial location, then include the following:
  • Are you sharing the commercial space with another business?
    • If the answer is yes, then provide the name of the other business who you will be sharing space with.
    • If the answer is no, then provide the square footage of the commercial location. 

Close Account Online

• Login into your e-file portal by using the account number and security code.
• Click on the "Business Closed" action type at the bottom of the account information page.

Close Account by Email

• Send an email to [email protected]
• Subject Line: Account# Close Account
• Complete and attach the Closure Form in the email

Close Account by Mail or Fax

• Complete the Closure Form 
• Mail the completed form to the Business Tax Office at 501 Poli St., Room 107, Ventura, CA 93001
• Fax the form to (805) 653-0634