Gallatin County, MT Property Tax Calculator
Gallatin County homeowners pay a median $3,933 a year in property tax, 0.59% of a median $667,600 home: below Montana's 0.72% and the national 0.94%.
Property tax in Gallatin County by home value, at 0.59%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $1,178 | $98 |
| $300,000 | $1,767 | $147 |
| $400,000 | $2,356 | $196 |
| $500,000 | $2,945 | $245 |
| $750,000 | $4,418 | $368 |
| $1,000,000 | $5,890 | $491 |
Gallatin County against Montana and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Gallatin County | 0.59% | $3,933 | $667,600 | $93,528 |
| Montana | 0.72% | $2,693 | $375,800 | $72,509 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Gallatin County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in Gallatin County?
The effective rate is 0.59%: a median $3,933 a year on a median $667,600 home. That's the 5th highest of the 6 Montana counties we cover.
How much is property tax on a $400,000 house in Gallatin County?
About $2,356 a year, $196 a month, at the county's effective rate, before any exemption.
How does Gallatin County compare with the rest of Montana?
Its rate is below the state's 0.72%. Across Montana, covered counties range from 0.58% to 0.88%.
How do I lower my Gallatin County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
Other Montana counties
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.