Mandan, Morton County, North Dakota Property Taxes

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Property Taxes in Mandan, North Dakota

Median Mandan, North Dakota effective property tax rate: 1.26%, significantly higher than the national median of 1.02%, and higher than the North Dakota state median of 1.20%.
Median Mandan, North Dakota home value: $25,718
Median annual Mandan, North Dakota tax bill: $304, $2,096 lower than the national median property tax bill of $2,400.

How are property taxes in Morton calculated?

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

Last Updated April 13, 2026

Mandan, Morton County, North Dakota Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.26%

Estimate Property Tax Bill

$324

$301

How Does the Mandan Property Tax Calculator Work?

Use this Mandan property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Mandan's median effective tax rate of 1.26% — based on actual property records in Morton 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 Mandan'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 Mandan: rates range from $304 in 58554 to $304 in 58554, 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 Mandan.

About Mandan Property Taxes

About Property Taxes in Mandan, Morton, North Dakota

Mandan’s median effective property tax rate of 1.26% is higher than the North Dakota state median of 1.20% and higher than the national median of 1.02%. This rate reflects the Morton 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 Mandan. Homeowners in ZIP code 58554 carry a median effective rate of 1.26%, while those in the same ZIP code also pay 1.26%. This reflects how school district boundaries and local assessment districts are drawn across Morton County. Understanding where you live in Mandan can make a meaningful difference to your annual tax bill.

Mandan homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the April 6, 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 Mandan, Morton 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 Mandan'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 Mandan, Morton County, North Dakota

Source: Ownwell

1.09%

1.53%

1.98%

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 Mandan Tax Rate

1.26%

Median Effective Morton County Tax Rate

1.26%

Median Effective North Dakota Tax Rate

1.20%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Mandan, Morton County, North Dakota

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
58554	1.04%	1.25%	1.26%	1.31%	1.60%

Source: Ownwell

Property Tax Assessment Values Across Mandan, Morton County, North Dakota

When examining property taxes in Mandan, 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 Morton 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 Morton County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of March.

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. For example, the median home price in Mandan is $25,718, with tax bills ranging significantly across the county. ZIP code 58554 has the highest median home price at $25,718.

Property Tax Assessment Values Across Mandan, Morton County, North Dakota

Source: Ownwell

$25,718

$36,534

$47,350

Median Mandan Market Value

$25,718

Median Morton County Market Value

$25,718

Median North Dakota Market Value

$244,000

Median United States Market Value

$235,294

Property Tax Assessment Values Across Mandan, Morton County, North Dakota

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
58554	$6,786	$9,918	$25,718	$171,500	$260,340

Source: Ownwell

Property Tax Bills Across Mandan, Morton County, North Dakota

How are property tax bills calculated in Mandan?

Property tax bills in Mandan are based on the assessed value of a home and the local tax rate set by Morton County and other taxing authorities. The bill is determined by multiplying the taxable assessed value by the applicable rate, so a higher assessed value generally means a higher tax bill. Homeowners may also see differences based on exemptions, local levies, and changes in market conditions.

What factors affect a homeowner’s property tax bill?

The biggest factors are the home’s assessed value, the local tax rate, and whether any exemptions apply. With a median home price of $25,718, Mandan’s property tax bills can vary widely. The 25th percentile tax bill is $126, while the 75th percentile is $1,976 and the 90th percentile is $3,212. The highest median tax bill is $304 in ZIP code 58554.

How does this affect homeowners?

Because property taxes are tied to value and local rates, homeowners with similar homes can still pay different amounts. That makes understanding the assessment important for budgeting and for estimating annual housing costs.

Property Tax Bills Across Mandan, Morton County, North Dakota

Source: Ownwell

$265

$706

$1,147

Median Mandan Tax Bill

$304

Median Morton County Tax Bill

$317

Median North Dakota Tax Bill

$2,769

Median United States Tax Bill

$2,400

Property Tax Bills Across Mandan, Morton County, North Dakota

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
58554	$88	$126	$304	$1,976	$3,212

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	April 6

Links
Morton Tax Assessor
Website	itax.tylerapp.com

Frequently Asked Property Tax Questions in Mandan, North Dakota

How are property taxes calculated in Mandan, North Dakota?

Property taxes in Mandan, 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 Mandan, North Dakota?

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

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

Property tax deadlines in Mandan, 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 Mandan, North Dakota?

Ownwell provides professional property tax appeal services in Mandan, 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.