Calculate property taxes on any home in Montana. The average effective property tax rate is 0.84% — lower than the national average of 1.07%.
Annual Tax (Median Home)
$3,696
Monthly Tax
$308
Tax Rate
0.84%
Avg effective rate
vs. National Avg
-$1,012
National avg: 1.07%
| Home Value | $440,000 | Median home price in Montana (2025) |
| Effective Tax Rate | 0.84% | Montana statewide average |
| Annual Tax | $3,696 | Home value × effective rate |
| Monthly Tax | $308 | Annual ÷ 12 months |
| National Avg Rate | 1.07% | US average effective rate |
| vs. National (annual) | -$1,012 | Difference vs. national avg on same home |
Montana's effective property tax rate of 0.84% is lower than the national average of 1.07%. On the median home price of $440,000, homeowners pay approximately $3,696 per year — or $308 added to their monthly housing costs.
Property tax rates vary significantly within Montana by county and municipality. The effective rate represents taxes paid as a percentage of home market value. Some counties may assess property at a fraction of market value, so the nominal (millage) rate may differ from the effective rate shown here.
