Montana Taxes 2025
Complete tax guide and OBBBA calculator for MT residents
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Montana Tax Overview 2025
State Income Tax
4.7% - 5.9%
Graduated rate structure
Combined Sales Tax
0.00%
State 0.00% + Local 0.00%
Avg Property Tax
0.84%
Below average property taxes
💼 Montana Income Tax 2025
Montana has graduated income tax rates from 4.7% to 5.9%.
When filing your Montana state tax return, your income tax liability depends on your taxable income and filing status. Montana uses a graduated income tax structure.
Montana Income Tax Quick Facts
🛒 Montana Sales Tax 2025
Montana's combined average sales tax rate is 0.00%, which includes both state and local components. The state sales tax rate is 0.00%, while local jurisdictions add an average of 0.00%.
Sales Tax Breakdown
💡 Tip: Local sales tax rates vary by city and county. Your actual rate may be higher or lower depending on where you shop.
🏠 Montana Property Tax 2025
Montana's average effective property tax rate is 0.84%. Below average property taxes.
Property taxes in Montana are assessed at the local level by counties and municipalities. Rates can vary significantly between jurisdictions.
Example Annual Property Tax
| Home Value | Est. Annual Tax | Monthly |
|---|---|---|
| $250,000 | $2,100 | $175 |
| $400,000 | $3,360 | $280 |
| $600,000 | $5,040 | $420 |
OBBBA Tax Benefits for Montana Residents
Montana has no sales tax. OBBBA benefits focus on income-based deductions.
The One Big Beautiful Bill Act (OBBBA), signed into law on July 4, 2025, introduced several new federal tax deductions that Montana residents can claim starting with their 2025 tax returns.
Available OBBBA Deductions for MT Residents:
Calculate Your Montana Tax Savings
Use our free OBBBA calculator to see exactly how much you could save on your 2025 federal taxes as a Montana resident.
Calculate My SavingsHow Montana Compares
| Tax Type | MT Rate | US Average | Comparison |
|---|---|---|---|
| Income Tax (Top Rate) | 4.7% - 5.9% | 5.1% | Varies |
| Sales Tax | 0.00% | 7.12% | Below Avg |
| Property Tax | 0.84% | 1.10% | Below Avg |
Frequently Asked Questions
What is the income tax rate in Montana?
Montana has a graduated income tax with rates of 4.7% - 5.9%. Montana has graduated income tax rates from 4.7% to 5.9%.
What is the sales tax in Montana?
The combined average sales tax rate in Montana is 0.00%. This includes the state rate of 0.00% plus an average local rate of 0.00%.
How do OBBBA deductions benefit Montana residents?
Montana has no sales tax. OBBBA benefits focus on income-based deductions. Montana residents can claim tips, overtime, auto loan interest, SALT, and senior bonus deductions on their federal returns.
When are Montana taxes due?
For tax year 2025, Montana state taxes are due on April 15, 2026, the same date as federal taxes. Extensions may be available if you need more time to file.