Winnett, Petroleum County, Montana Property Taxes

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Property Taxes in Winnett, Montana

Median Winnett, Montana effective property tax rate: 1.11%, significantly lower than the national median of 1.02%, and higher than the Montana state median of 0.78%.
Median Winnett, Montana home value: $56,415
Median annual Winnett, Montana tax bill: $633, lower than the national median property tax bill of $2,400.

How are property taxes in Petroleum calculated?

Property taxes in Winnett, Montana 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 Winnett's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Winnett, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Winnett, Petroleum County, Montana Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.11%

Estimate Property Tax Bill

$626

$581

How Does the Winnett Property Tax Calculator Work?

Use this Winnett property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Winnett's median effective tax rate of 1.11% — based on actual property records in Petroleum County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Winnett's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Winnett: rates range from 1.11% in 59087 to 1.11% in 59087, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Winnett.

About Winnett Property Taxes

About Property Taxes in Winnett, Petroleum, Montana

Winnett’s median effective property tax rate of 1.11% is higher than the Montana state median of 0.78% and lower than the national median of 1.02%. This rate reflects the Petroleum County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Winnett. Homeowners in the 59087 ZIP code carry a median effective rate of 1.11%, while those in the same ZIP code also pay 1.11%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Petroleum County. Understanding which part of Winnett you live in can make a meaningful difference to your annual tax bill.

Winnett homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 1, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Winnett, Petroleum County, Montana

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Winnett's effective property tax rate to other cities in Montana and the median property tax rates in Montana and the U.S.

Property Tax Rates Across Winnett, Petroleum County, Montana

Source: Ownwell

1.11%

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 Winnett Tax Rate

1.11%

Median Effective Petroleum County Tax Rate

1.11%

Median Effective Montana Tax Rate

0.78%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Winnett, Petroleum County, Montana

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
59087	0.90%	0.93%	1.11%	1.12%	1.12%

Source: Ownwell

Property Tax Assessment Values Across Winnett, Petroleum County, Montana

When examining property taxes in Winnett, Montana, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. 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 determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Petroleum County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of July.

Each property owner receives an assessment notice that contains 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 Winnett.

For example, the median home price in Winnett is $56,415, with tax bills ranging significantly across the county. 59087 has the highest median home price at $56,415.

Property Tax Assessment Values Across Winnett, Petroleum County, Montana

Source: Ownwell

$56,415

Median Winnett Market Value

$56,415

Median Petroleum County Market Value

$58,246

Median Montana Market Value

$317,000

Median United States Market Value

$235,294

Property Tax Assessment Values Across Winnett, Petroleum County, Montana

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
59087	$7,437	$19,030	$56,415	$161,374	$296,119

Source: Ownwell

Property Tax Bills Across Winnett, Petroleum County, Montana

Winnett Property Tax Bills

Property tax bills in Winnett are based on the assessed value of a home and the local tax rate set by the county and other taxing authorities. For a home with a median home price of $56,415, the bill reflects how that market value is translated into taxable value, then multiplied by the applicable rate. Homeowners in Petroleum County can see meaningful differences in what they owe because tax bills are shaped by both the property’s value and the local levy structure.

What a homeowner pays can vary widely. The 25th percentile tax bill is $236, while the 75th percentile is $1,697 and the 90th percentile is $3,048. The median tax bill is $633, which is far below the national median property tax bill of $2,400 and below the national median property tax rate of 1.02%. This means property taxes in Winnett are generally modest, but changes in assessed value can still affect annual costs and household budgets.

Property Tax Bills Across Winnett, Petroleum County, Montana

Source: Ownwell

$633

Median Winnett Tax Bill

$633

Median Petroleum County Tax Bill

$664

Median Montana Tax Bill

$2,559

Median United States Tax Bill

$2,400

Property Tax Bills Across Winnett, Petroleum County, Montana

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
59087	$86	$236	$633	$1,697	$3,048

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	June 1

Links
Petroleum Tax Assessor
Website	svc.mt.gov

Frequently Asked Property Tax Questions in Winnett, Montana

How are property taxes calculated in Winnett, Montana?

Property taxes in Winnett, Montana are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Winnett, Montana?

To appeal your property taxes in Winnett, Montana, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Winnett, Montana?

Common property tax exemptions in Winnett, Montana include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Winnett, Montana?

Property tax deadlines in Winnett, Montana vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Winnett, Montana?

Ownwell provides professional property tax appeal services in Winnett, Montana. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.