Osceola County, Iowa Property Taxes
Property Taxes in Osceola County, Iowa
Median Osceola County effective property tax rate: 1.37%, significantly higher than the national median of 1.02%.
Median Osceola County home value: $100,185
Median annual Osceola County tax bill: $1,302, lower than the national median property tax bill of $2,400.
How are property taxes in Osceola County calculated?
Property taxes in Osceola 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 Osceola County's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Osceola County or another part of the county, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Osceola County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.37%
Estimate Property Tax Bill
$1,373
$1,274
How Does the Osceola County Property Tax Calculator Work?
Use this Osceola County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Osceola County's median effective tax rate of 1.37% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district 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. Osceola County's median tax rate is higher than the Iowa state median tax rate of 1.55%, while the county's median tax bill is $1,302, which is $1,098 lower than the state median tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Osceola County.
Property Tax Rates Across Osceola County, Iowa
What Are Effective Property Tax Rates Across Osceola County?
Local government entities set tax rates, which vary widely across Osceola 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 Osceola County's effective property tax rate to other counties in Iowa or the U.S. median of 1.02%.
Osceola County's median effective rate stands at 1.37%, which is higher than the national median of 1.02%. Within Osceola County, the highest rate is found in Sibley at 1.55%, while Little Rock 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 Osceola County Tax Rate
1.37%
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 Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Osceola County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allendorf | 0.75% | 0.81% | 1.05% | 1.61% | 2.39% |
| Ashton | 0.93% | 1.11% | 1.40% | 1.57% | 1.71% |
| Harris | 0.95% | 1.08% | 1.31% | 1.68% | 1.86% |
| Hartley | 0.99% | 1.05% | 1.15% | 1.29% | 1.42% |
| Little Rock | 0.90% | 0.92% | 0.99% | 1.13% | 1.22% |
| May City | 0.56% | 0.84% | 1.09% | 1.09% | 1.09% |
| Melvin | 0.88% | 1.02% | 1.12% | 1.32% | 1.33% |
| Ocheyedan | 0.87% | 0.99% | 1.14% | 1.34% | 1.45% |
| Sanborn | 0.34% | 0.88% | 1.02% | 1.10% | 1.19% |
| Sibley | 0.98% | 1.26% | 1.55% | 1.74% | 1.74% |
| Lake Park | N/A | N/A | N/A | N/A | N/A |
| Sheldon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Osceola County, Iowa
When examining property taxes in Osceola 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 Osceola County assessor 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 Osceola 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 Osceola County is $1302, compared with the national median property tax bill of $2400. Osceola County’s median home price is $100185, and Hartley has the highest median home price at $157940.
Median Osceola County Market Value
$100,185
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Osceola County, Iowa
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allendorf | $1,546 | $9,950 | $48,120 | $66,510 | $73,862 |
| Ashton | $38,899 | $66,028 | $98,740 | $143,548 | $192,673 |
| Harris | $19,694 | $52,150 | $94,540 | $164,210 | $255,372 |
| Hartley | $75,682 | $104,920 | $157,940 | $212,700 | $318,716 |
| Little Rock | $63,656 | $81,315 | $112,690 | $200,470 | $331,362 |
| May City | $16,476 | $26,855 | $44,070 | $60,065 | $68,994 |
| Melvin | $14,720 | $43,380 | $79,145 | $131,168 | $204,460 |
| Ocheyedan | $19,575 | $50,925 | $95,795 | $155,710 | $237,570 |
| Sanborn | $81,282 | $101,310 | $130,010 | $170,360 | $269,032 |
| Sibley | $39,809 | $65,028 | $108,520 | $182,380 | $266,184 |
| Lake Park | N/A | N/A | N/A | N/A | N/A |
| Sheldon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Osceola County, Iowa
Property tax bills in Osceola County are based on the assessed value of a home and the local tax rates set by taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill homeowners receive. The tax bill is calculated by applying the relevant tax rate to the assessed value, so two homes with different values can owe very different amounts even if they are in the same county.
In Osceola County, the median home price is $100,185, and the median tax bill is $1,918 in Hartley, compared with $416 in May City. Across the county, tax bills vary widely, with the 25th percentile at $764, the 75th percentile at $2,148, and the 90th percentile at $3,231. For homeowners, this means property taxes can take a meaningful share of housing costs, especially when assessed values rise faster than expected.
Median Osceola County Tax Bill
$1,302
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Osceola County, Iowa
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allendorf | $21 | $139 | $429 | $569 | $1,839 |
| Ashton | $487 | $840 | $1,248 | $1,838 | $2,511 |
| Harris | $290 | $672 | $1,176 | $2,075 | $3,037 |
| Hartley | $804 | $1,090 | $1,918 | $2,466 | $3,876 |
| Little Rock | $588 | $892 | $1,302 | $2,065 | $3,240 |
| May City | $122 | $200 | $416 | $594 | $672 |
| Melvin | $160 | $446 | $852 | $1,538 | $2,340 |
| Ocheyedan | $195 | $512 | $1,083 | $1,718 | $2,653 |
| Sanborn | $496 | $836 | $1,144 | $1,530 | $2,688 |
| Sibley | $586 | $942 | $1,482 | $2,483 | $3,695 |
| Lake Park | N/A | N/A | N/A | N/A | N/A |
| Sheldon | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Osceola Tax Assessor | |
| Website | beacon.schneidercorp.com |