Connecticut State and Local Taxes

To access individual state and local taxes, click on the corresponding state below:

Connecticut State Taxes

Department of Revenue

myconneCT - Payments

Connecticut Business Taxes

Entity Registration

Sales Tax

General Sales Tax Information and Guidance

State Tax Rates

Sales Tax Forms

Corporate Income Tax

General Business Tax and Due Date Information

Due Date and Extension Information

Payment Information

Business Income Tax Forms

CT Tax Calculation (including modifications and tax rate)

Pass Through Entities

Pass Through Entity Tax Information

Pass Through Entity Forms

Property Tax

Property Tax Information

Personal Property

Connecticut Individual Taxes

Income Tax

General Information

Extension Information

Individual Forms

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