Montana Property Tax Calculator
The average effective property tax rate in Montana is 0.72% of a home’s value — a mid-range in the US. Estimate the annual and monthly bill for any home value below.
Estimate only This uses the state average effective rate. Your actual bill depends on your county, city and school-district rates, assessed value (not always market value) and any exemptions. Verify with your local assessor.
Note Property tax in Montana is set at the county, city and school-district level, so this statewide average effective rate is an estimate. Your county or city rate differs — verify locally with your assessor or tax collector before relying on any figure.
Montana property tax by home value (at 0.72%)
| Home value | Annual tax | Per month |
|---|---|---|
| $200,000 | $1,440 | $120 |
| $350,000 | $2,520 | $210 |
| $500,000 | $3,600 | $300 |
| $750,000 | $5,400 | $450 |
| $1,000,000 | $7,200 | $600 |
Median Montana home: $375,800 → about $2,693/yr in property tax.
How to estimate property tax in Montana
- 01 Enter your home’s market value (the default is the Montana median).
- 02 The 0.72% Montana average effective rate is pre-filled — replace it with your county/city rate if you know it.
- 03 Read the annual and monthly property tax estimate instantly.
Frequently asked questions
What is the average property tax rate in Montana?
The average effective property tax rate in Montana is about 0.72% of a home's value per year. That is a statewide average — property tax is set by counties, cities and school districts, so your local rate can be meaningfully higher or lower. Check your county assessor for the exact rate.
How much is property tax on a $350,000 home in Montana?
At Montana's 0.72% average effective rate, a $350,000 home would owe roughly $2,520 per year, or about $210 per month. Your actual bill depends on your local rate, assessed value and any exemptions.
How is property tax calculated in Montana?
Property tax is your home's assessed value multiplied by the combined local tax rate (often expressed as a millage rate). This calculator uses market value × the Montana average effective rate of 0.72% as an estimate. In practice, assessed value may differ from market value and exemptions (such as a homestead exemption) can lower the taxable amount.
What is the median property tax bill in Montana?
On the Montana median home value of $375,800, the typical annual property tax is about $2,693 (roughly $225 per month). Homes above or below the median scale up or down with value.
Why does my Montana property tax bill differ from this estimate?
Because this is a state average. Real property tax rates are set locally, so two homes of equal value in different Montana counties can have very different bills. Assessment ratios, special assessments, school levies and exemptions all change the final number. Always verify with your county or municipal tax office.
Is this Montana property tax calculator free?
Yes — it is completely free, needs no sign-up, and runs entirely in your browser. Nothing you enter is uploaded anywhere.
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