Property Tax in Liberty County
via TaxByCounty
Liberty: Montana's tax rate champion
At 1.031%, Liberty County has the highest effective property tax rate in Montana—nearly 45% above the national median of 0.71%. Despite affordable homes ($116,800 median), the county's steep rate keeps tax bills competitive with national averages.
Second-highest rate statewide
Only Missoula County (0.906%) comes close to Liberty's 1.031% effective rate, crushing the state average of 0.767%. Liberty's rate is 35% steeper than the typical Montana county.
Lowest homes, highest rates
Liberty's median home value of $116,800 is the lowest in its region—McCone County sits at $197,400, Lincoln at $258,700—yet Liberty's 1.031% tax rate far exceeds them all. Residents pay $1,204 annually despite owning the cheapest property nearby.
Your $1,204 annual tax bill
A typical Liberty County home valued at $116,800 triggers an annual property tax of $1,204—or $100 per month. With a mortgage, the bill climbs to $1,875; without, it drops to $927.
Challenge your assessment today
With Montana's highest property tax rate, even small assessment errors add up quickly in Liberty County. Homeowners can appeal valuations for free if comparable home sales suggest overvaluation—a straightforward process that often saves hundreds annually.