Montana Tax Forms - State Income Tax Return 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 Forms

Pertains To

Use These Forms If..

Individual Income Tax Return

Individual Income Earners

You earned any income in the state of MT as a full-time, part-time or nonresident.

W-4 Withholding Allowance

Employers, Employees

You need to file or adjust a MT state withholding tax status.

Extension to File Requests

Individual Income Earners

You need an extension to file your state income taxes. Extensions are automatic in MT. Click link for more info.

Estimated Income Tax Forms

Self-employed Individuals, Independent Contractors

You are required to pay monthly or quarterly estimated income taxes.

All State Income Tax Forms

Income Earners

You 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 Forms

Pertains To

Use These Forms If..

Homestead Exemption


You qualify for a homestead exemption.

Property Tax Exemption Info

Home, Land, Property Owners

Want information on a number of property tax exemptions for MT.

All Property Tax Forms

Home, Land, Property Owners

You 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 Forms

Pertains To

Use These Forms If..

Vehicle Property Tax

Owner of a Vehicle

You own a motor vehicle. Vehicle property tax is filed locally.  

Motor Vehicle Tax Forms

Buyer, Seller in Vehicle Transactions

You bought, sold or need to register a motor vehicle in MT.

All MT Tax Forms

Any Tax Filer

You 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 Resources

Pertains To

Use This Resource If..

Installment Payment Agreement

Filers Unable to Pay Tax Bill in Full

You can’t pay your tax bill in full but wish to make monthly payments instead.

Income Tax Credits

Potentially Any Tax Filer

You want to see what income tax credits MT has to offer and if you qualify.

Property Tax Relief Programs

Qualifying Homeowners

You want to see if you qualify for a property tax relief credit.

Montana Forms and Instructions

Any Tax Filer

You need detailed information on any of the various taxes MT collects.

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