Connecticut State Department of Revenue Services

Individual Income Tax Filers:  DRS will be holding a webinar on Wednesday, April 2, at 10:00 a.m.  This session will provide information for filing 2024 Connecticut income tax returns and helpful tips for electronically filing such returns. Select here to register.

New Businesses:  DRS will be holding a webinar on Wednesday, April 16, at 10:00 a.m. This session will provide an overview of the requirements for registering a new business with DRS. Select here to register.

Checking on Estimated Payments

If you do not have a record of the estimated income tax payments you made during the year, choose one of the options below:
  • Check online anytime:  Log into the TSC-IND to view the payments that you made. If you are logging into the TSC for the first time, you will need the PIN that we mailed you or use the drop down box to use the option to enter a prior year's federal adjusted gross income.  After you log in, select "View Processed Payments" on the Main Menu.
  • Call DRS during business hours:  You may call DRS between 8:30 a.m. and 4:30 p.m., Monday - Friday at 860-297-4771 press 1 for income tax.