
Sales and Use Tax Form OS-114
Fill out your Connecticut sales and use tax return.
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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 ServicesThe Department of Revenue Services (DRS) Income Tax Portal for Individuals helps residents and part-year residents get the filing requirement information, income tax information and resources they need.
Agency: Department of Revenue ServicesCT 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 ServicesCT 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 ServicesThe Collections department is made up of the Billing Unit, Recovery Unit, Delinquent Accounts Unit, and the Connecticut State Tax Intercept Program.
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 ManagementFile, Pay, and View Business Account Transactions
Businesses that have a Connecticut Tax Registration Number (CT REG) can use the Taxpayer Service Center ( TSC-BUS ) to file, pay, view tax transactions, and update the business's account information.
Agency: Department of Revenue ServicesA 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 ManagementEstate 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 ServicesProvides 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 ServicesTax 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 ServicesCorporation Business Tax Information
Detailed information on registration and filing requirements for the corporation business tax.
Agency: Department of Revenue ServicesGuide to Connecticut Business Tax Credits
Business tax credit information for a variety of industries.
Agency: Department of Revenue ServicesTaxpayer Service Center (TSC) Online Business Help
The TSC online help page provides information about how to file most state tax returns, view balances, and schedule payments.
Agency: Department of Revenue ServicesProvides Connecticut businesses information about withholding requirements.
Agency: Department of Revenue Services