Connecticut Income Tax Forms
Connecticut State Income Tax Forms for 2024 tax year can be e-Filed in conjunction with a IRS Income Tax Return. Details on how to only prepare and print a Connecticut Tax Return.
Below are forms for the current tax year 2024 and for prior tax years. The current CT tax year forms can be e-filed together with the federal tax return until Oct. 15 of calendar year 2025. Prior year returns can be completed with the help of eFile.com free tax calculators. Complete the respective Form(s) below, sign, and mail them to the Connecticut Department of Revenue Services.
In addition to filing Connecticut Forms, you might also have to file previous IRS Tax Return Forms. If you can not find the form listed there, use the search button below.
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