Montana State Income Tax Forms Guide

"Welcome to Montana" sign along I-90 at the border with Wyoming. By: Sebastian Bergmann

State Income Tax Forms for Montana

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

State Income Tax FormsPertains ToUse These Forms If..
Individual Income Tax ReturnIndividual Income EarnersYou earned any income in the state of MT as a full-time, part-time or nonresident.
W-4 Withholding AllowanceEmployers, EmployeesYou need to file or adjust a MT state withholding tax status.
Extension to File RequestsIndividual Income EarnersYou need an extension to file your state income taxes. Extensions are automatic in MT. Click link for more info.
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 Montana.

Property Tax Forms for Montana


Montana doesn't collect property taxes at the state level. Property taxes are instead collected at the local level, by cities, counties and school districts. All interested property owners must apply for Homestead Exemptions in Montana.

Property Tax FormsPertains ToUse These Forms If..
Homestead ExemptionHomeownersYou qualify for a homestead exemption.
Property Tax Exemption InfoHome, Land, Property OwnersWant information on a number of property tax exemptions for MT.
All Property Tax FormsHome, Land, Property OwnersYou own any property in MT, including a home, land or commercial real estate.

All Other Tax Forms for Montana


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

All Other FormsPertains ToUse These Forms If..
Vehicle Property TaxOwner of a VehicleYou own a motor vehicle. Vehicle property tax is filed locally.  
Motor Vehicle Tax FormsBuyer, Seller in Vehicle TransactionsYou bought, sold or need to register a motor vehicle in MT.
All MT Tax FormsAny Tax FilerYou need to find any tax form applicable to Montana.

Helpful Resources for Filing Montana Tax Forms

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

MT 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.
Income Tax CreditsPotentially Any Tax FilerYou want to see what income tax credits MT has to offer and if you qualify.
Property Tax Relief ProgramsQualifying HomeownersYou want to see if you qualify for a property tax relief credit.
Montana Forms and InstructionsAny Tax FilerYou need detailed information on any of the various taxes MT collects.

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