Petroleum County Property Tax Rate — Montana 2026
In Petroleum County, Montana, homeowners pay a median annual property tax of $1,261 on a median home value of $173,700, resulting in an effective property tax rate of 0.73%. This rate is 0.02% lower than the Montana state average (0.75%) and 0.18% lower than the national average (0.91%).
How Petroleum County Compares
Homeowners in Petroleum County enjoy a relatively low property tax burden compared to both the Montana state average and the national average.
Property Tax Calculator for Petroleum County
Enter your home’s estimated market value to calculate your approximate annual property tax in Petroleum County, Montana.
This estimate uses the effective tax rate of 0.73% based on ACS data. Actual taxes may differ based on local assessments, exemptions, and levies.
Housing Breakdown
Property Tax Details for Petroleum County, Montana
The median property tax paid by homeowners in Petroleum County is $1,261 per year. Based on a median home value of $173,700, this translates to an effective property tax rate of 0.73%.
For context, the statewide median property tax in Montana is $2,535 with an effective rate of 0.75%, while the national average effective rate stands at 0.91%. Petroleum County’s effective rate is 0.02% lower than the Montana state average (0.75%).
Of the 200 housing units in Petroleum County, approximately 77.00% are owner-occupied and 23.00% are renter-occupied. Homeownership rates can influence local tax policy, as communities with higher ownership rates often see more voter engagement on property tax issues.
Important: The data on this page is for informational purposes only and should not be used as tax advice. Actual property taxes depend on your property’s assessed value, local millage rates, and any applicable exemptions. Contact your county assessor’s office for precise tax information.