Roundup, Petroleum County, Montana Property Taxes
Median ROUNDUP, MT effective property tax rate: 1.00%, significantly lower than the national median of 1.02%, but higher than the Montana state median of 0.83%.
Median ROUNDUP, MT home value: $270,600
Median annual ROUNDUP, MT tax bill: $2,701, $301 higher than the national median property tax bill of $2,400.
How are property taxes in Petroleum calculated?
Property taxes in ROUNDUP, MT are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding ROUNDUP’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in ROUNDUP, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Roundup, Petroleum County, Montana Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1%
Estimate Property Tax Bill
$2,706
$2,511
Property Tax Rates Across Roundup, Petroleum County, Montana
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Roundup Tax Rate
1.00%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Petroleum County Tax Rate
1.23%
Median Effective Montana Tax Rate
0.83%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Roundup, Petroleum County, Montana
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
59072 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Roundup, Petroleum County, Montana
When examining property taxes in Roundup, Montana, understanding the distinction between "market value" and "assessed value" is crucial. The market value is the price a willing buyer would pay to a willing seller in an open and competitive market, influenced by factors like location and property condition. The Petroleum County appraisal district estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits as determined by local laws. This assessed value is the figure used to calculate your property taxes, which is then multiplied by your tax rate to determine your tax bill.
In Petroleum County, assessment notices are sent in the spring each year, typically reaching your mailbox by the middle of April. Each property owner receives an assessment notice containing both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Roundup.
For example, the median home price in Roundup is $270,600, with tax bills generally around $2,701, which is above the national median tax bill of $2,400.
Property Tax Assessment Values Across Roundup, Petroleum County, Montana
Source: Ownwell

$55,292
$55,292
$55,292
Median Roundup Market Value
$270,600
Median Petroleum County Market Value
$57,945
Median Montana Market Value
$317,400
Median United States Market Value
$235,294
Property Tax Assessment Values Across Roundup, Petroleum County, Montana
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
59072 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Roundup, Petroleum County, Montana
In Roundup, located in Petroleum County, MT, property tax bills are determined by the assessed value of a home and the local tax rate. The median home price in this area is $270,600. Homeowners here face a median property tax bill of $2,701, which is significantly above the national median of $2,400, even though the national median property tax rate is 1.02%. The assessed value, determined by local authorities, plays a crucial role in calculating the tax bill. Factors such as property size, location, and market conditions can influence this value. For homeowners, this means that any increase in assessed value can lead to higher property taxes, impacting household budgets.
Ownwell offers a valuable service by helping homeowners appeal their property tax assessments and explore potential exemptions. By leveraging expertise in local tax regulations, Ownwell can identify opportunities for savings, potentially lowering tax bills. This assistance can be especially beneficial for homeowners in Roundup, ensuring they only pay what is fair and accurate.
Median Roundup Tax Bill
$2,701
Median Petroleum County Tax Bill
$721
Median Montana Tax Bill
$2,646
Median United States Tax Bill
$2,400
Property Tax Bills Across Roundup, Petroleum County, Montana
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
59072 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell