2026 effective rate · 0.74% · below the US average (0.99%)
Montana Property Tax Calculator
Estimate annual and monthly property tax in Montana. The state's effective property tax rate is 0.74% (close to the national average, vs the US average of about 0.99%). On a $349,900 median-value home, that works out to about $2,580 per year or $216 per month.
Montana median home property tax
$2,589 per year
$216 per month at the median home value of $349,900
Effective rate 0.74% times $349,900 = $2,589
Montana property tax at common home values
| Home value | Annual property tax | Monthly | % of value |
|---|---|---|---|
| $150,000 | $1,110 | $93 | 0.74% |
| $250,000 | $1,850 | $154 | 0.74% |
| $349,900 (median) | $2,589 | $216 | 0.74% |
| $350,000 | $2,590 | $216 | 0.74% |
| $500,000 | $3,700 | $308 | 0.74% |
| $750,000 | $5,550 | $463 | 0.74% |
Uses Montana's 2026 effective rate (0.74%). Actual taxes vary by county and exemptions. For full PITI mortgage estimate including taxes + insurance, use the Montana mortgage calculator.
Montana property tax overview
Montana's effective property tax rate is moderate. Property tax assistance program (PTAP) helps lower-income homeowners. No state sales tax helps offset property tax burden.
Montana's effective rate of 0.74% ranks close to the national average nationally. Median annual property tax: $2,580. Median home value: $349,900.
Montana vs neighboring states
| State | Effective rate | Median home | Median annual tax |
|---|---|---|---|
| Montana (this page) | 0.74% | $349,900 | $2,580 |
| North Dakota | 0.94% | $228,700 | $2,130 |
| South Dakota | 1.15% | $231,600 | $2,690 |
| Wyoming | 0.55% | $291,100 | $1,580 |
FAQs about Montana property tax
What is the property tax rate in Montana?
Montana's effective property tax rate is 0.74% (close to the national average, vs national average of ~0.99%). On a $349,900 median-value home, that's about $2,580 per year, or roughly $216 per month added to your housing cost.
How is property tax calculated in Montana?
Property tax = assessed value times the local mill rate (millage). The effective rate (0.74%) is what you actually pay as a percentage of market value, accounting for assessment ratios, exemptions, and millage. For a home valued at X, multiply X by 0.74% for an annual estimate.
When are property taxes due in Montana?
Property tax due dates vary by county within Montana. Most counties bill annually with either a single payment or two installments. Common payment deadlines fall in late summer (1st half) and late winter (2nd half). Check with your county tax assessor for exact dates and any escrow arrangements through your mortgage lender.
Does Montana have a homestead exemption?
Montana offers various property tax relief programs. Montana's effective property tax rate is moderate. Property tax assistance program (PTAP) helps lower-income homeowners. No state sales tax helps offset property tax burden. Check with your county assessor for primary-residence exemptions and senior or disabled programs that may reduce your annual property tax bill.
How does Montana property tax compare to neighboring states?
Montana's 0.74% rate compares to: North Dakota (0.94%), South Dakota (1.15%), Wyoming (0.55%). Property tax burden can vary significantly between neighboring states — moving 30 miles across a state line can change your annual tax bill by thousands.
Can I appeal my property tax assessment in Montana?
Yes. Every US state including Montana provides a formal property tax appeal process. Steps: (1) request your property's assessment record from the county assessor, (2) gather comparable sales from your neighborhood, (3) file a formal appeal within the deadline (usually 30-60 days after assessment notice). Successful appeals typically save 5-15% on annual tax bills.
How can I lower my Montana property taxes?
Common strategies: apply for homestead exemption (primary residence), senior or disabled exemptions if eligible, veteran's exemptions, and appeal over-assessment. Track your county's assessment notices carefully and verify the appraisal matches recent comparable home sales. Avoid major visible upgrades right before reassessment dates.