Montana

Property Tax Rates & Rules

0.75%

Effective Rate

$3,375

Median Annual Tax

$450k

Median Home Value

Available

Homestead Exempt

Full Tax Details

Avg Effective Rate0.75%

Median Home Value$450,000

Median Annual Tax$3,375

Assessment Ratio1.35%

Homestead ExemptionYes

Senior ExemptionYes

Highest Rate CountyLiberty

Lowest Rate CountyPetroleum

Payment ScheduleTwo installments: November 30 and May 31.

Assessment Method

Residential property is assessed at 1.35% of market value (tiered rates apply in 2026).

Homestead Exemption Details

Property Tax Assistance Program (PTAP) reduces rate for low-income homeowners.

Senior Exemption Details

Elderly Homeowner/Renter Credit available as an income tax credit for those 62+.

How to Appeal Your Assessment

Request informal review (AB-26) or appeal to County Tax Appeal Board (CTAB).

Official Source

Montana Tax Authority

Last verified: 2026-03-31 · Always confirm current rates before making real estate decisions.