File a Return & Pay Taxes
File a return or make a payment online by logging into our secure site using your username and password.
Alert from California Department of Tax and Fee Administration
New Santa Ana Office opens on July 7, 2025.
If you have been affected by a California disaster, please refer to our State of Emergency Tax Relief page for a list of declared disasters and instructions on how to apply for relief.
File a return or make a payment online by logging into our secure site using your username and password.
Online registration is a convenient, fast, and free way to register online for a permit, license, or account with the CDTFA.
CDTFA administers sales and use tax in addition to several special taxes and fees.
Did you receive a notice or letter from us? See our Letters and Notices page to learn more.