The rate in context
On a $400,000 home, 0.61% means roughly $2,440 per year in property tax, escrowed monthly, so it lands directly in your payment and your debt-to-income ratio.
Exemptions and notes
2025 reforms (HB 231/SB 542) created a homestead reduced rate for primary residences and long-term rentals, while second homes and short-term rentals pay a flat 1.9%; owners must opt in through the Department of Revenue.
Sources: Tax Foundation 2026 (2024 ACS); MT Dept. of Revenue (HB 231/SB 542). County-level rates vary; your county page has local detail.
Counties in Montana
FAQ
What is the average property tax rate in Montana?
The average effective property tax rate in Montana is about 0.61%, per Tax Foundation 2026 (2024 ACS); MT Dept. of Revenue (HB 231/SB 542). Individual counties vary above and below that average.
How do Montana property taxes affect my mortgage?
Taxes are escrowed into your monthly payment, so a higher rate directly reduces how much house you qualify for. 2025 reforms (HB 231/SB 542) created a homestead reduced rate for primary residences and long-term rentals, while second homes and short-term rentals pay a flat 1.9%; owners must opt in through the Department of Revenue.