Connecticut Income Tax Payments, Mailing Addresses

You can select one of these payment options either after you have e-filed, or filed your Connecticut Tax Return. Alternatively, you can pay Connecticut income taxes here prior to filing (e.g in the case of an extension). Plus, you can make online Connecticut tax estimate payments for next tax year. If you eFiled your taxes and pay online, you do not have to send in Connecticut paper forms (e.g. payer tax return, extension form, or tax estimate form).

Connecticut State Tax Payment Options

Payment Type

Description

Direct Online Payment via Bank Account

Go to the Connecticut TSC site to submit your payment.

Credit or Debit Card Payment

Submit a tax payment through the state tax agency's Official Payments site.

Check or Money Order

Complete voucher Form CT-1040V. Mail them to the Form CT-1040V address below.

Estimated Tax Payment Options

Choose one of these options:
1) Go to the Connecticut TSC site to submit your estimated payment.
2) Pay via credit or debit card through Official Payments.
3) Complete voucher Form CT-1040ES. Mail the voucher and check/money order to the Form CT-1040ES address here.

Online IRS Tax Payment Options

Many of these online IRS tax payment options can be used before or after you e-Filed your Income Taxes. You can pay tax extension and tax estimate payments. For estimate payments, you do not have to submit a form. Extension you can eFile on eFile.com for free.

Connecticut Tax Return Mailing Addresses

Addresses to mail Connecticut Tax Returns, Amendments, Extensions, or Tax Payments.

Return Type

Address

CT Tax Return or Amended Tax Return: Address if you expect a Tax Refund on your Tax Return

Department of Revenue Services
State of Connecticut
P.O. Box 2976
Hartford CT 06104-2976

CT Tax Return or Amended Return: Address if you owe Taxes and include payment.

Department of Revenue Services
State of Connecticut
P.O. Box 2977
Hartford CT 06104-2977

CT Tax Extension: Address if you owe Taxes and include payment. Tax Extension Payments, include Form CT-1040 EXT. Tip: Make Tax Payments online and you will not have to mail in Form CT-1040 EXT. See above.

Department of Revenue Services
State of Connecticut
P.O. Box 2977
Hartford CT 06104-2977

CT Tax Payment: include voucher Form CT-1040V

Department of Revenue Services
State of Connecticut
P.O. Box 2921
Hartford CT 06104-2921

CT Tax Estimate Payments: include Form CT-1040ES.

Department of Revenue Services
State of Connecticut
P.O. Box 2932
Hartford CT 06104-2932

Other U.S. States, Territories, and Protectorates.

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