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Montana Property Tax Calculator

Estimate the property tax on a home in Montana from its value and the typical Montana rate, a year and a month.

$

The typical home in Montana is worth $425,400

More options· Your own rate or an exemption
%

A year, as a share of value; leave at 0 to use the Montana typical rate

$

Such as a homestead exemption on a home you live in

Property tax a year

$2,939

About $245 a month at Montana’s typical rate of 0.69% of value, the 19th lowest of the 50 states and DC.

A month
$245
At the US average
$3,788
Rate
0.69%

What this means

Property tax is set locally, by your county, city and school district. Each works out a value for your home (the assessed value) and charges a rate on it, so the bill on the same home can differ a lot between towns in the same state. Most homeowners pay it monthly with their mortgage, through an escrow account, or in one or two bills a year.

If you itemize deductions, property tax counts towards the deduction for state and local taxes (SALT), with your state income or sales tax: up to $40,400 in 2026 ($20,200 if married filing separately), less for incomes over $505,000.

How it’s worked out

Home value$425,400
Montana typical rate0.69%
Property tax a year$2,939.00
A month$244.92
At the US average rate of 0.89%$3,788

Compared with other states

Property tax a year on a $425,400 home
$8,182$4,091$0
Illinois (highest)MontanaUS averageHawaii (lowest)
Property tax
Assumptions in this estimate
  • A state’s typical rate is what the median homeowner pays in property tax over what the median home is worth: $2,939 on $425,400 in Montana. It’s the usual way to compare states.
  • Actual rates vary by county, city and school district, and your bill depends on your home’s assessed value, which can differ from what it would sell for. Your county assessor or tax collector has the rate and value for your home.
  • Many states lower the tax on a home you live in, with a homestead exemption, a cap on how fast its assessed value can rise, or relief for seniors, veterans or people with disabilities. Enter any exemption you get above.
  • Figures: American Community Survey 2024, median home value (B25077); American Community Survey 2024, median real estate taxes (B25103), US Census Bureau.
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Montana property tax at a glance

The typical owner-occupied home in Montana is worth $425,400, and its owner pays $2,939 a year in property tax: 0.69% of its value, the 19th lowest rate of the 50 states and DC, below the US average of 0.89%.

That's about $245 a month, which most homeowners pay with their mortgage through an escrow account. On a $400,000 home, the same rate comes to about $2,764 a year. Use the calculator above to see the exact amounts for your home.

Sources:

Notes for Montana

  • Property tax is set by your county, city and school district, so rates vary within the state. Your county assessor or tax collector has the rate and assessed value for your home.
  • Many states lower the tax on a home you live in, with a homestead exemption, a cap on how fast its assessed value can rise, or relief for seniors and veterans. The calculator lets you enter an exemption.