Free property tax calculator tailored for Montana (MT). Calculate instantly with state-specific rates and rules.
Montana has an effective property tax rate of 0.84%, producing an average annual bill of $2,337. The US national average is 1.07% — Montana's rate is below the national average by rate but rising in dollar terms, placing it at rank #20 out of 50 states (rank 1 = lowest).
Montana assesses residential property at market value, then applies a taxable market value ratio of 1.35% to determine the taxable value. Mills are then applied to taxable value. The state Department of Revenue conducts reappraisals every 6 years.
The Elderly Homeowner/Renter Tax Credit provides refunds to qualifying seniors with income below limits. The Montana Disabled American Veteran's Exemption provides property tax relief for qualifying veterans.
No formal cap on annual increases. Montana's housing boom, driven by out-of-state migration to Missoula, Bozeman, and Whitefish, has caused significant valuation increases.
Bozeman has seen some of the most dramatic housing appreciation in the US since 2019, driven by remote worker migration and proximity to Yellowstone. Property tax bills there have risen significantly despite the sub-1% effective rate.
The median home value in Montana is $385,000. Montana's markets — Missoula, Bozeman, Whitefish, Helena — have seen 40-60% appreciation since 2020. The state is rapidly transitioning from affordable to premium pricing in desirable areas. At the 0.84% effective rate, a homeowner at the median value pays roughly $2,337/year in property taxes.
Data: Tax Foundation (2024), US Census Bureau ACS 2023, Zillow, ATTOM Data Solutions. Updated 2024–2025. Figures reflect state averages — consult a licensed professional for personalized advice.
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