Marshalltown, Marshall County, Iowa Property Taxes
Property Taxes in Marshalltown, Iowa
Median Marshalltown, Iowa effective property tax rate: 1.67%, significantly higher than the national median of 1.02%, and higher than the Iowa state median of 1.55%.
Median Marshalltown, Iowa home value: $125,220
Median annual Marshalltown, Iowa tax bill: $1,970, $430 lower than the national median property tax bill of $2,400.
How are property taxes in Marshall County calculated?
Property taxes in Marshalltown, Iowa 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 Marshalltown's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Marshalltown, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Marshalltown, Marshall County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.67%
Estimate Property Tax Bill
$2,091
$1,941
How Does the Marshalltown Property Tax Calculator Work?
Use this Marshalltown property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and our calculator applies Marshalltown’s median effective tax rate of 1.67% — based on actual property records in Marshall County — to generate your estimate.
Enter your property’s estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. Our calculator applies Marshalltown’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 Marshalltown, but the median property tax bill is $1,970 in 50158, and the highest and lowest median tax bills are both $1,970 in 50158. Marshalltown’s median effective tax rate is higher than the state median tax rate of 1.55%, while the median tax bill is lower than the state median tax bill by $430.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Marshalltown.
About Marshalltown Property Taxes
About Property Taxes in Marshalltown, Marshall, Iowa
Marshalltown’s median effective property tax rate of 1.67% is higher than the Iowa state median of 1.55% and higher than the national median of 1.02%. This rate reflects the Marshall 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 Marshalltown. Homeowners in the 50158 ZIP code carry a median effective rate of 1.67%, while those in the lowest ZIP also pay 1.67%. This spread reflects how school district boundaries and local assessment districts are drawn across Marshall County. Understanding which part of Marshalltown you live in can make a meaningful difference to your annual tax bill.
Marshalltown homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the April 30, 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 Marshalltown, Marshall County, Iowa
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 Marshalltown's effective property tax rate to other cities in Iowa and the median property tax rates in Iowa and the U.S.
Our median effective property tax rate (tax bill Ă· 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 Marshalltown Tax Rate
1.67%
Our median effective property tax rate (tax bill Ă· 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 Marshall County Tax Rate
1.58%
Median Effective Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Marshalltown, Marshall County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50158 | 1.11% | 1.48% | 1.67% | 1.82% | 1.82% |
Source: Ownwell
Property Tax Assessment Values Across Marshalltown, Marshall County, Iowa
When examining property taxes in Marshalltown, Iowa, 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 Marshall 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 are sent in the spring each year and 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. In Marshalltown, the median home price is $125,220, and the median property tax bill is $1,970, compared with the national median property tax bill of $2,400. Tax bills range across the county, with 50158 showing the highest median home price at $125,220.
Property Tax Assessment Values Across Marshalltown, Marshall County, Iowa
Source: Ownwell
$31,865
$118,530
$205,195
Median Marshalltown Market Value
$125,220
Median Marshall County Market Value
$128,550
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Marshalltown, Marshall County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50158 | $51,961 | $79,932 | $125,220 | $187,580 | $262,099 |
Source: Ownwell
Property Tax Bills Across Marshalltown, Marshall County, Iowa
How are property tax bills calculated in Marshalltown?
Property tax bills in Marshalltown are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s assessed value rises, the tax bill can increase unless exemptions or other adjustments apply. The median home price is $125,220, which helps explain why tax bills vary across homeowners.
What factors affect the bill? The amount owed depends on the property’s assessed market value, local levies, and whether the home qualifies for any exemptions. In Marshalltown, the tax bill at the 25th percentile is $1,260, while the 75th percentile reaches $2,908 and the 90th percentile climbs to $4,046. The median tax bill in zip code 50158 is $1,970, which is below the national median property tax bill of $2,400.
For homeowners, this means property taxes can be a major ongoing cost, and changes in assessment or local rates can have a direct impact on annual housing expenses.
Median Marshalltown Tax Bill
$1,970
Median Marshall County Tax Bill
$1,902
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Marshalltown, Marshall County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50158 | $794 | $1,260 | $1,970 | $2,908 | $4,046 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Marshall Tax Assessor | |
| Website | beacon.schneidercorp.com |