California Department of Tax and Fee Administration homepage

File a Return & Pay Taxes


File a return or make a payment online by logging into our secure site using your username and password.

Register for a Permit


Online registration is a convenient, fast, and free way to register online for a permit, license, or account with the CDTFA.

Tax & Fee Rates


CDTFA administers sales and use tax in addition to several special taxes and fees.

Received a Letter or Notice?


Did you receive a notice or letter from us? See our Letters and Notices page to learn more.

September Taxpayer Information Bulletin

View updates and see new sales and use tax rates

Read the Bulletin

Your Tax Dollars at Work