Estimate your Montana property tax based on the state's 0.68% average effective rate. Enter your home value for an instant, free calculation.
Enter any tax exemption amount you qualify for in Montana
Montana has a relatively low effective property tax rate of 0.68%, ranking 39th nationally. Rapid in-migration from California and other states has driven home values significantly higher while rates have remained moderate.
Montana assesses residential property at 100% of market value with a residential appraised value adjusted for the productive use of the land. The state then applies class rates: residential property is taxed at 1.35% of appraised value as the taxable value, then mill rates are applied.
| Home Value | Estimated Annual Tax | Monthly (Escrow) |
|---|---|---|
| $250,000 | $1,700 | $141/mo |
| $369,700 (median) | $2,514 | $209/mo |
| $600,000 | $4,080 | $340/mo |
Montana's Elderly Homeowner/Renter Credit provides income-based property tax relief for residents 62+. There is no standard homestead exemption, but property tax assistance programs exist for lower-income households.
Montana property taxes are due November 30 (first half) and May 31 (second half).
Gallatin County (Bozeman) has experienced the most dramatic appreciation, with median values well above the state average. Missoula and Flathead counties (Whitefish) are also high-value areas.