Gallatin County Property Taxes
Gallatin County, Montana
Effective Tax Rate
0.00%
101.2% above state avgMedian Annual Tax
$0
$302/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.60%
At a Glance
Median Home Value
$604,900
State avg ▲ $251,520
Tax w/ Mortgage/yr
$3,641
$303/mo escrow
Tax w/o Mortgage/yr
$3,593
$299/mo
State Tax Rate Rank
#14
of 56 counties (1 = lowest)
Data Story
About Property Taxes in Gallatin County, Montana
Gallatin's lowest rate with highest values
Gallatin County's effective tax rate of 0.599% ranks in the 15th percentile nationally, among America's most tax-friendly counties. With a median home value of $604,900—more than double the national median of $281,900—the annual tax of $3,625 reflects remarkable tax efficiency on high-value properties.
Montana's lowest property tax rate
Gallatin County has Montana's lowest effective tax rate at 0.599%, 22% below the state average of 0.767%. Despite this advantage, the median property tax of $3,625 is the highest in the state, driven by the county's exceptionally high median home value of $604,900.
Gallatin leads western Montana in tax relief
Gallatin County's 0.599% rate edges out even Flathead (0.613%), making it the most tax-efficient county in western Montana. The rate far outpaces all eastern and central Montana counties, including Custer (1.098%), Dawson (1.173%), and Fergus (0.843%).
Annual taxes on a Gallatin County property
A median-valued home of $604,900 results in an annual property tax of approximately $3,625 in Gallatin County. Homeowners with mortgages pay roughly $3,641, while those with outright ownership pay closer to $3,593.
Protect your low-rate advantage through appeals
Even in the state's lowest-tax county, overassessment happens and can strip away Gallatin's competitive advantage. Periodic assessment reviews and swift appeals when values drift above fair market ensure your family maximizes savings in this tax-efficient county.
How Gallatin County Compares
Median Annual Property Tax
Gallatin County
0.60%
Effective rate
Montana Avg
0.72%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Gallatin County, Montana?
How much are property taxes in Gallatin County?
How does Gallatin County compare to the Montana average?
What is the median home value in Gallatin County, Montana?
Is Gallatin County a low property tax area in Montana?
How does Gallatin 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%
Stillwater County
0.60%
Broadwater County
0.61%
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.