Williston, Williams County, North Dakota Property Taxes

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Property Taxes in Williston, North Dakota

Median Williston, North Dakota effective property tax rate: 0.85%, significantly lower than the national median of 1.02%, and lower than the North Dakota state median of 1.20%.
Median Williston, North Dakota home value: $130,590
Median annual Williston, North Dakota tax bill: $1,538, $862 lower than the national median property tax bill of $2,400.

How are property taxes in Williams County calculated?

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

Last Updated April 13, 2026

Williston, Williams County, North Dakota Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.85%

Estimate Property Tax Bill

$1,110

$1,030

How Does the Williston Property Tax Calculator Work?

Use this Williston property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Williston's median effective tax rate of 0.85% — based on actual property records in Williams County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Williston'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 Williston: rates range from 0.85% in 58801 to 0.85% in 58801, 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 Williston.

About Williston Property Taxes

About Property Taxes in Williston, Williams, North Dakota

Williston’s median effective property tax rate of 0.85% is lower than the North Dakota state median of 1.20% and lower than the national median of 1.02%. This rate reflects the Williams 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 Williston. Homeowners in the 58801 ZIP code carry a median effective rate of 0.85%, while those in 58801 pay 0.85%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Williams County. Understanding which part of Williston you live in can make a meaningful difference to your annual tax bill.

Williston homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the April 13, 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 Williston, Williams County, North Dakota

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 Williston's effective property tax rate to other cities in North Dakota and the median property tax rates in North Dakota and the U.S.

Property Tax Rates Across Williston, Williams County, North Dakota

Source: Ownwell

0.78%

0.88%

0.98%

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 Williston Tax Rate

0.85%

Median Effective Williams County Tax Rate

0.85%

Median Effective North Dakota Tax Rate

1.20%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Williston, Williams County, North Dakota

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
58801	0.63%	0.76%	0.85%	0.86%	0.90%

Source: Ownwell

Property Tax Assessment Values Across Williston, Williams County, North Dakota

When examining property taxes in Williston, North Dakota, 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 Williams 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 Williams County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

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 Williston.

For example, the median home price in Williston is $130,590, with tax bills ranging significantly across the county. 58801 has the highest median home price at $130,590.

Property Tax Assessment Values Across Williston, Williams County, North Dakota

Source: Ownwell

$81,570

$106,080

$130,590

Median Williston Market Value

$130,590

Median Williams County Market Value

$109,180

Median North Dakota Market Value

$244,000

Median United States Market Value

$235,294

Property Tax Assessment Values Across Williston, Williams County, North Dakota

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
58801	$23,336	$74,780	$130,590	$199,810	$280,894

Source: Ownwell

Property Tax Bills Across Williston, Williams County, North Dakota

Property tax bills in Williston are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s market value rises or falls, the assessed value can change, which directly affects the bill homeowners receive. Local budgets, school funding, and other public services also play a role in determining how much tax is owed.

For a home with a median price of $130,590, the property tax bill reflects how that value is assessed in Williams County. In Williston, the median tax bill is $1,538, which is below the national median property tax bill of $2,400 and also below the national median property tax rate of 1.02%. Bills can vary widely, with the 25th percentile at $1,197 and the 75th percentile at $2,142.

For homeowners, this means property taxes can be a significant ongoing cost, especially if home values increase or local levies change.

Property Tax Bills Across Williston, Williams County, North Dakota

Source: Ownwell

$788

$1,163

$1,538

Median Williston Tax Bill

$1,538

Median Williams County Tax Bill

$1,354

Median North Dakota Tax Bill

$2,769

Median United States Tax Bill

$2,400

Property Tax Bills Across Williston, Williams County, North Dakota

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
58801	$928	$1,197	$1,538	$2,142	$3,081

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	May 20

Links
Williams Tax Assessor
Website	itax.tylertech.com

Frequently Asked Property Tax Questions in Williston, North Dakota

How are property taxes calculated in Williston, North Dakota?

Property taxes in Williston, North Dakota 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 Williston, North Dakota?

To appeal your property taxes in Williston, North Dakota, 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 Williston, North Dakota?

Common property tax exemptions in Williston, North Dakota 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 Williston, North Dakota?

Property tax deadlines in Williston, North Dakota 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 Williston, North Dakota?

Ownwell provides professional property tax appeal services in Williston, North Dakota. 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.