Foster County, North Dakota Property Taxes
Property Taxes in Foster County, North Dakota
Median Foster County effective property tax rate: 1.04%, significantly higher than the national median of 1.02%.
Median Foster County home value: $139,100
Median annual Foster County tax bill: $1,602, lower than the national median property tax bill of $2,400.
How are property taxes in Foster County calculated?
Property taxes in Foster County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Foster or another part of Foster County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Foster County, North Dakota Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.04%
Estimate Property Tax Bill
$1,447
$1,342
How Does the Foster County Property Tax Calculator Work?
Use this Foster County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Foster County's median effective tax rate of 1.04% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessor assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Foster County's median tax rate is higher than the North Dakota median tax rate of 1.20%, while the county's median tax bill of $1,602 is $798 lower than the state median tax bill and below the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Foster County.
Property Tax Rates Across Foster County, North Dakota
What Are Effective Property Tax Rates Across Foster County?
Local government entities set tax rates, which vary widely across Foster County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Foster County's effective property tax rate to other counties in North Dakota or the U.S. median of 1.02%.
Foster County's median effective rate stands at 1.04%, which is higher than the national median of 1.02%. Within Foster County, the highest rate is found in Carrington at 1.04%, while Grace City has the lowest at 0.99%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
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 Foster County Tax Rate
1.04%
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 North Dakota Tax Rate
1.20%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Foster County, North Dakota
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Carrington | 1.04% | 1.04% | 1.04% | 1.14% | 1.48% |
| Glenfield | 0.64% | 1.00% | 1.04% | 1.07% | 1.08% |
| Grace City | 0.98% | 0.98% | 0.99% | 1.05% | 1.05% |
| Mchenry | 0.98% | 0.98% | 1.03% | 1.34% | 1.37% |
| Kensal | N/A | N/A | N/A | N/A | N/A |
| New Rockford | N/A | N/A | N/A | N/A | N/A |
| Sutton | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Foster County, North Dakota
When examining property taxes in Foster County, 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 Foster County assessment office 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 Foster County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.
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. The median tax bill in Foster County is $1,602, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. Tax bills range significantly across the county, with Carrington at $1,894 and McHenry at $592. Glenfield has the highest median home price at $199,700.
Property Tax Assessment Values Across Foster County, North Dakota
Source: Ownwell
$59,200
$129,450
$199,700
Median Foster County Market Value
$139,100
Median North Dakota Market Value
$244,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Foster County, North Dakota
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Carrington | $53,050 | $92,625 | $166,150 | $260,450 | $399,200 |
| Glenfield | $91,940 | $106,800 | $199,700 | $221,800 | $255,720 |
| Grace City | $26,420 | $56,550 | $139,200 | $192,600 | $293,340 |
| Mchenry | $3,587 | $17,125 | $59,200 | $92,350 | $166,290 |
| Kensal | N/A | N/A | N/A | N/A | N/A |
| New Rockford | N/A | N/A | N/A | N/A | N/A |
| Sutton | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Foster County, North Dakota
Property tax bills in Foster County are based on the assessed value of a home, not its market listing price. Local taxing authorities apply the county’s tax rate to that assessed value, which means two homes with similar market values can still have different tax bills if their assessments differ. Factors such as property characteristics, location, and local levy rates all play a role in the final amount homeowners owe.
With a median home price of $139,100, the county’s tax bills can vary widely. The 25th percentile tax bill is $898, while the 75th percentile reaches $2,644 and the 90th percentile climbs to $4,174. That spread shows how much property taxes can affect monthly budgets and long-term housing costs. In places like Carrington, the highest median tax bill is $1,894, while McHenry has the lowest at $592. For homeowners, even small changes in assessed value can make a meaningful difference in annual property tax bills.
Median Foster County Tax Bill
$1,602
Median North Dakota Tax Bill
$2,769
Median United States Tax Bill
$2,400
Property Tax Bills Across Foster County, North Dakota
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Carrington | $707 | $1,177 | $1,894 | $2,891 | $4,202 |
| Glenfield | $289 | $1,112 | $1,641 | $2,444 | $2,731 |
| Grace City | $261 | $568 | $1,363 | $1,998 | $3,029 |
| Mchenry | $135 | $476 | $592 | $977 | $1,730 |
| Kensal | N/A | N/A | N/A | N/A | N/A |
| New Rockford | N/A | N/A | N/A | N/A | N/A |
| Sutton | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 1 |
Links | |
|---|---|
| Foster Tax Assessor | |
| Website | foster.northdakotaassessors.com |