2024 Connecticut Form CT-1040
Printable CT State Tax Forms and Instructions
What Is Connecticut Form CT-1040?
Connecticut Form CT-1040 is used by full-year residents to file their state income tax return. The purpose of Form CT-1040 is to determine your tax liability for the state of Connecticut. Nonresident and part-year resident filers will complete Connecticut Form CT-1040NR/PY instead.
The State of Connecticut does not have an Easy Form (EZ) or Short Form.
Read the Who Must File
section of the CT-1040 instructions book to help determine if you should file as a full-year resident, part-year resident, or nonresident for tax year 2024.
Who Must File Connecticut Form CT-1040?
You must file a Connecticut tax return if your gross income exceeds the minimum specified for your filing status. For tax year 2024, Single residents must file if their gross income exceeds $15,000. Married residents filing jointly must file if their gross income exceeds $24,000.
Gross income means all income before deducting expenses that is reportable to the state of Connecticut. Even if your gross income is below the amount specified for your filing status, you may still have to file a Connecticut tax return. Other filing requirements include but are not limited to when:
- You had Connecticut income tax withheld.
- You made Connecticut estimated tax payments.
- You had a federal alternative minimum tax liability.
- You are claiming the Connecticut earned income tax credit (CT EITC).
Read the Who Must File
section of the CT-1040 instructions book to help determine if you should file an Connecticut income tax return for tax year 2024.
Printable Connecticut State Tax Forms
Printable Connecticut Form 1040 Instructions
How To Check The Status Of My Connecticut Tax Return?
To check the status of your Connecticut income tax refund online, visit the Connecticut Department of Revenue website and use their Check Status Of Refund service. Connecticut Department of Revenue states on their website that refunds for electronically filed returns generally are issued within 4 business days of the receipt of the return. Paper tax forms mailed in take 10-12 weeks to process. The status of a paper income tax return will not be available until the forms have entered their system.
To check the status of your Connecticut income tax refund for 2024 you will need the following information:
- Social Security Number
- Amount of refund
The requested information must match what was submitted on your 2024 Connecticut Form CT-1040. To check prior year refunds, you will need to contact the Connecticut Department of Revenue service center by phone, email, or mail.
To contact the Connecticut Department of Revenue service center by phone or email, use the check your refund status link above. Alternatively, read or print the 2024 Connecticut Form CT-1040 instructions to obtain the proper phone number and mailing address.
Last updated: January 10, 2025
References:
- Individual Income Tax Forms. State of Connecticut, Connecticut Department of Revenue. Retrieved January 10, 2025.
- Who Must File a Connecticut Resident Return. State of Connecticut, Connecticut Department of Revenue. Retrieved January 10, 2025.
- Chapter 229 Income Tax. Connecticut General Assembly, State of Connecticut. Retrieved January 10, 2025.
- State Income Tax Filing. Yale University, Employment and Taxes. Retrieved January 10, 2025.
- Connecticut tax. H&R Block, Tax Information Center. Retrieved January 10, 2025.
- Tax Preparation Resources. University of Connecticut, Volunteer Income Tax Assistance (VITA) Program. Retrieved January 10, 2025.
- Get Free Help Filing Your Taxes. Community Renewal Team, Hartford CT. Retrieved January 10, 2025.