Granite County Property Taxes
Granite County, Montana
Effective Tax Rate
0.00%
14.4% above state avgMedian Annual Tax
$0
$172/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.61%
At a Glance
Median Home Value
$339,500
State avg ▲ $251,520
Tax w/ Mortgage/yr
$2,136
$178/mo escrow
Tax w/o Mortgage/yr
$1,998
$167/mo
State Tax Rate Rank
#17
of 56 counties (1 = lowest)
Data Story
About Property Taxes in Granite County, Montana
Granite's tax rate near national median
Granite County's effective rate of 0.607% sits comfortably below the national median of 0.84%, placing it in the lower half of U.S. counties. The median tax bill of $2,061 mirrors national patterns, though Granite homes are valued higher at $339,500 versus the national median of $281,900.
Below Montana's average across the board
At 0.607% effective rate, Granite County ranks in the lower half of Montana's 56 counties, paying less than the state average of 0.767%. The $2,061 median tax reflects higher-value properties typical of this mountainous region.
Mid-range among southwest Montana peers
Granite's 0.607% rate sits between Jefferson County's 0.557% and Lake County's 0.660%, offering moderate relief in southwest Montana. Property values here are notably higher, resulting in mid-range absolute tax bills despite favorable rates.
About $2,061 yearly on median home
A median Granite County home valued at $339,500 results in annual property taxes of $2,061, or roughly $172 per month. Mortgage-holders pay an additional $75 annually in escrow taxes.
Challenge assessments on higher-value homes
Properties valued above $300,000 can accumulate significant overassessment costs quickly—a 5% inflated valuation costs $1,000+ annually. Granite County homeowners should compare their assessments to recent comparable sales and appeal if values don't align.
How Granite County Compares
Median Annual Property Tax
Granite County
0.61%
Effective rate
Montana Avg
0.72%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Granite County, Montana?
How much are property taxes in Granite County?
How does Granite County compare to the Montana average?
What is the median home value in Granite County, Montana?
Is Granite County a low property tax area in Montana?
How does Granite County rank for property taxes in Montana?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Montana
Madison County
0.41%
Carter County
0.44%
Judith Basin County
0.45%
Sweet Grass County
0.49%
Golden Valley County
0.51%
Ravalli County
0.53%
Carbon County
0.55%
Sanders County
0.55%
Mineral County
0.55%
Jefferson County
0.56%
Park County
0.57%
Fallon County
0.57%
Lincoln County
0.58%
Gallatin County
0.60%
Stillwater County
0.60%
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.