Gallatin County, Montana Property Taxes
Median Gallatin County effective property tax rate: 0.80%, significantly lower than the national median of 1.02%.
Median Gallatin County home value: $644,700
Median annual Gallatin County tax bill: $5,055, $2,655 higher than the national median property tax bill of $2,400.
How are property taxes in Gallatin County calculated?
Property taxes in Gallatin County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Bozeman or another part of Gallatin County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Gallatin County, Montana Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.8%
Estimate Property Tax Bill
$5,158
$4,786
Property Tax Rates Across Gallatin County, Montana
Local government entities determine tax rates, which can differ significantly within a state. This is because each county annually estimates its budget requirements to provide essential services and divides that by the total value of all taxable property in its jurisdiction. This calculation determines the property tax rate. Although votes and laws play a role in setting tax rates and budgets, this is the process in a nutshell.
In Gallatin County, the effective property tax rate is 0.80%, which is below the national median of 1.02%. Within Montana, Gallatin County's rate is higher than Big Sky's lowest median rate of 0.58% but lower than Bozeman's highest median rate of 0.84%. This illustrates the variation in property tax rates even within the same state. Comparing these rates to the national average provides valuable insight for property owners and potential buyers, highlighting Gallatin County as an area with relatively favorable property tax conditions. Understanding these differences can aid in making informed decisions regarding property investments and financial planning.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Gallatin County Tax Rate
0.80%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Montana Tax Rate
0.83%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Gallatin County, Montana
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belgrade | 0.74% | 0.74% | 0.84% | 0.95% | 0.95% |
Big Sky | 0.58% | 0.58% | 0.58% | 0.63% | 0.71% |
Bozeman | 0.66% | 0.67% | 0.84% | 0.84% | 0.84% |
Gallatin Gateway | 0.52% | 0.58% | 0.62% | 0.62% | 0.71% |
Manhattan | 0.70% | 0.70% | 0.80% | 0.83% | 0.83% |
Three Forks | 0.65% | 0.66% | 0.79% | 0.79% | 0.79% |
Willow Creek | 0.66% | 0.66% | 0.66% | 0.66% | 0.68% |
Wilsall | 0.57% | 0.61% | 0.62% | 0.63% | 0.70% |
West Yellowstone | N/A | N/A | N/A | N/A | N/A |
W Yellowstone | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Gallatin County, Montana
Property Tax Assessment Values Across Gallatin County, Montana
Source: Ownwell

$365,250
$864,725
$1,364,200
Median Gallatin County Market Value
$644,700
Median Montana Market Value
$317,400
Median United States Market Value
$235,294
Property Tax Assessment Values Across Gallatin County, Montana
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belgrade | $119,507 | $402,300 | $499,400 | $647,550 | $900,600 |
Big Sky | $618,300 | $860,500 | $1,364,200 | $2,488,288 | $4,444,280 |
Bozeman | $364,095 | $529,600 | $699,600 | $943,800 | $1,336,587 |
Gallatin Gateway | $143,300 | $439,965 | $937,900 | $1,459,264 | $2,211,336 |
Manhattan | $142,800 | $422,050 | $561,800 | $790,050 | $1,080,334 |
Three Forks | $78,960 | $208,707 | $372,300 | $474,840 | $623,580 |
Willow Creek | $62,368 | $214,237 | $365,250 | $566,700 | $722,561 |
Wilsall | $116,994 | $202,467 | $550,276 | $725,277 | $963,344 |
West Yellowstone | N/A | N/A | N/A | N/A | N/A |
W Yellowstone | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Gallatin County, Montana
In Gallatin County, MT, property tax bills are calculated based on the assessed value of a home, which is a percentage of its market value. The calculation involves multiplying the assessed value by the county's tax rate. Homeowners in Gallatin County face a range of tax bills, with the 25th percentile at $3,694 and the 75th percentile reaching $6,828. At the higher end, the 90th percentile tax bill is $9,925, indicating a significant variation depending on property value and location within the county.
Notably, Big Sky has the highest median tax bill at $7,879, which is significantly above the national median property tax bill of $2,400. Conversely, Willow Creek offers some relief with the lowest median tax bill at $2,454, closely aligning with the national median. These differences highlight how property taxes can impact homeowners, affecting affordability and financial planning. Understanding these factors is crucial for homeowners looking to manage their expenses effectively in Gallatin County.
Median Gallatin County Tax Bill
$5,055
Median Montana Tax Bill
$2,646
Median United States Tax Bill
$2,400
Property Tax Bills Across Gallatin County, Montana
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Belgrade | $1,059 | $3,380 | $4,377 | $5,435 | $7,145 |
Big Sky | $3,570 | $4,979 | $7,879 | $15,591 | $31,490 |
Bozeman | $2,988 | $4,208 | $5,462 | $7,259 | $9,988 |
Gallatin Gateway | $864 | $2,659 | $5,750 | $8,734 | $13,559 |
Manhattan | $1,178 | $3,305 | $4,367 | $6,070 | $8,217 |
Three Forks | $600 | $1,353 | $2,797 | $3,522 | $4,531 |
Willow Creek | $426 | $1,298 | $2,454 | $3,633 | $4,840 |
Wilsall | $674 | $1,432 | $3,242 | $4,421 | $6,083 |
West Yellowstone | N/A | N/A | N/A | N/A | N/A |
W Yellowstone | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell