State Of Ct Estimated Tax Payments 2024. 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. 2nd quarter returns and payments due on or before 7/31.

You can quickly estimate your connecticut state tax and federal tax by selecting the tax year, your filing status, gross income and gross expenses, this is a great way to. The budget is said to include the largest income tax cut in connecticut history and includes approximately $500 million in tax relief to connecticut taxpayers,.