Property Tax in Gallatin County
via TaxByCounty
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.