59058 Property Tax Rate

Property owners in ZIP code 59058 (Mosby, Montana) pay a median of $950/year in property taxes on homes valued at $243,800. This translates to an effective tax rate of 0.39%, which is 45% below the Montana state average of 0.71%.

The monthly property tax burden for a median-valued home in 59058 is approximately $79, which factors into escrow payments on mortgages. This ZIP code is located within Garfield County. This is $935 less than the Montana average of $1,885/year.

Compared to similar ZIP codes in Montana, 59058 has higher property taxes. ZIP codes with similar effective rates include 59065 (0.39%) and 59931 (0.39%).

Montana reassesses property at market value upon sale and annually thereafter, with no statewide cap on increases — contact the Garfield County Assessor's office to understand your assessment timeline after purchase. Montana offers a Homeowners Exemption (typically $1,600–$3,200 depending on county mill levies) and a Senior Homestead Exemption for owners 65+ — file your exemption application with the Garfield County Assessor immediately after closing to lock in the reduced value. Review your Notice of Valuation each year and file any protest with the Garfield County Assessor by the county's specified deadline (usually 30 days of mailing) to challenge assessed value.