Revenue

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• DAS Collection Services

  The Collections department is made up of the Billing Unit, Recovery Unit, Delinquent Accounts Unit, and the Connecticut State Tax Intercept Program.

• Unemployment Insurance Tax Information

  Connecticut employers can file unemployment taxes, get necessary forms, and understand benefit payment procedures here.

  Agency: Department of Labor

• Veterans Exemption Tax Relief Program

  State law provides a basic $1,000 property tax exemption for certain honorably discharged Veterans who actively served at least 90 days during war time or their survivors. State law also provides an additional exemption for veterans and disabled veterans who are eligible for the basic exemption and who can meet certain income limits. Eligibility and key dates are discussed.

  Agency: Office of Policy and Management

• Mill Rates

  A mill rate is the rate that's used to calculate your property tax. To calculate the property tax, multiply the assessment of the property by the mill rate and divide by 1,000. There are different mill rates for different towns and cities.

  Agency: Office of Policy and Management

• Estate and Gift Tax, Succession Tax, Trust and Estate Income Tax

  Find estate, gift, fiduciary, trusts, and succession tax information and forms here.

  Agency: Department of Revenue Services

• CT Income Tax: Where’s My Refund

  Citizens can check the status of an income tax refund online through the Taxpayer Service Center or by using the telephone automated refund system.

  Agency: Department of Revenue Services

• Corporation Business Tax Information

  Detailed information on registration and filing requirements for the corporation business tax.

  Agency: Department of Revenue Services

• Business Taxes

  A brief description of taxes generally applicable to companies doing business in Connecticut. It is not an all-inclusive list, but contains those taxes of interest to most businesses and, where appropriate, identifies state agencies to contact for additional information.

  Agency: Department of Revenue Services

• Guide to Connecticut Business Tax Credits

  Business tax credit information for a variety of industries.

  Agency: Department of Revenue Services

• Real and Personal Property Tax Inquiries

  While people with general questions about the state's property taxes can contact the Office of Policy and Management, any inquiries about a tax bill or mill rate on real property, such as a home, or personal property, like a motor vehicle should go to the tax collector in the town in which the property is located.

  Agency: Department of Revenue Services

• Withholding Tax Information

  Provides Connecticut businesses information about withholding requirements.

  Agency: Department of Revenue Services

• Tax Information for Veterans and Armed Forces Personnel

  Veterans and Armed Forces Personnel can view tax information, definitions and special rules on the filing status of spouses, exemptions and tax relief provisions.

  Agency: Department of Revenue Services

• Sales Tax Information

  Provides business owners information about registering a business, sales and use taxes, exemption certificates, filing and amending sales tax returns, renewing a sales tax permit and closing a business.

  Agency: Department of Revenue Services

• Business Registration Information

  Detailed information about registering a business with the Department of Revenue Services (DRS). 

  Agency: Department of Revenue Services

• CT Income Tax: Free Assistance Locations

  Connecticut taxpayers can receive income tax preparation help through the Department of Revenue (DRS), the Association of American Retired Persons (AARP), the Volunteer Income Tax Assistance Program (VITA), Community Accounting Aid and Services, Inc. (CAAS) and the University of Connecticut Law School Tax Clinic.

  Agency: Department of Revenue Services