Connecticut State Income Tax Forms Guide

State Income Tax Forms for Connecticut

Connecticut is one of 41 states that collect a state income tax. If you are a full time, part-time or nonresident of Connecticut and filed a federal tax return, you must also file an individual tax return with Connecticut state.

State Income Tax FormsPertains ToUse These Forms If..
Individual Income Tax ReturnIndividual Income EarnersYou earned any income in the state of CT as a full-time, part-time or nonresident.
Withholding FormsEmployers, EmployeesYou need to file or adjust a CT state withholding tax status.
Extension to File RequestsIndividual Income EarnersYou need an extension to file your state income taxes.
Estimated Income Tax FormsSelf-employed Individuals, Independent ContractorsYou are required to pay monthly or quarterly estimated income taxes.
All State Income Tax FormsIncome EarnersYou need to find any state income tax form applicable to Connecticut.

Property Tax Forms for Connecticut

Connecticut doesn’t collect property taxes at the state level. Property taxes are instead collected at the local level, by cities, counties and school districts. Connecticut offers property tax exemptions for veterans and the disabled exclusively; must file locally.

Property Tax FormsPertains ToUse These Forms If..
Homestead ExemptionHomeownersNo form to file. Connecticut does not offer traditional homestead exemptions.
Veterans Property Tax Exemption FormsVeteran, Surviving Spouse Property OwnersYou’re a veteran or veteran surviving spouse property owner living below a certain income level. Must file locally.
All Property Tax FormsHome, Land, Property OwnersYou own any property in CT, including a home, land or commercial real estate

All Other Tax Forms for Connecticut

Connecticut is one of 25 states that has a Vehicle Property Tax, which is filed locally. All Connecticut state specific tax forms, specialty forms and motor vehicle forms provided below.

All Other FormsPertains ToUse These Forms If..
Property Tax on VehiclesVehicle OwnersYou own a vehicle in the state of Connecticut. Must file locally.
Sales Tax on RegistrationsBuyer, Seller in Vehicle TransactionsYou bought, sold or need to register a motor vehicle in Connecticut.
All Connecticut Tax FormsAny Tax FilerYou need to find any tax form applicable to Connecticut.

Helpful Resources for Filing Connecticut Tax Forms

Connecticut offers installment agreements for help paying tax bills, income tax credits and official resources for understanding and filing local property tax forms. The main Connecticut tax form and instruction portal is also provided.

CT Filing ResourcesPertains ToUse This Resource If..
Installment Payment AgreementFilers Unable to Pay Tax Bill in FullYou can’t pay your tax bill in full but wish to make monthly payments instead.
Earned Income Tax Credit (EITC)Qualifying Individuals, FamiliesYou want to see if you qualify for an EITC and how to apply.
Property Tax AssistanceHome, Land, Property OwnersYou need any help whatsoever with property taxes for CT.
Property Tax County DirectoryHome, Land, Property OwnersYou need to contact your county property tax office.
Connecticut Forms and InstructionsAny Tax FilerYou need detailed information on any of the various taxes CT collects.
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