Grimes, Polk County, Iowa Property Taxes
Property Taxes in Grimes, Iowa
Median Grimes, Iowa effective property tax rate: 1.81%, significantly higher than the national median of 1.02%, and higher than the Iowa state median of 1.55%.
Median Grimes, Iowa home value: $316,600
Median annual Grimes, Iowa tax bill: $5,640, $3,240 higher than the national median property tax bill of $2,400.
How are property taxes in Polk calculated?
Property taxes in Grimes, 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 Grimes's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grimes, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Grimes, Polk County, Iowa Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.81%
Estimate Property Tax Bill
$5,730
$5,318
How Does the Grimes Property Tax Calculator Work?
Use this Grimes property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Grimes's median effective tax rate of 1.81% — based on actual property records in Polk 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 Grimes'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 Grimes: rates range from 1.81% in 50111 to 1.81% in 50111, 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 Grimes.
About Grimes Property Taxes
About Property Taxes in Grimes, Polk, Iowa
Grimes’s median effective property tax rate of 1.81% is higher than the Iowa state median of 1.55% and higher than the national median of 1.02%. This rate reflects the Polk 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 Grimes. Homeowners in the 50111 ZIP code carry a median effective rate of 1.81%, while those in 50111 pay 1.81%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Polk County. Understanding which part of Grimes you live in can make a meaningful difference to your annual tax bill.
Grimes homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Grimes, Polk 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 Grimes'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 Grimes Tax Rate
1.81%
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 Polk County Tax Rate
1.71%
Median Effective Iowa Tax Rate
1.55%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Grimes, Polk County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50111 | 1.59% | 1.71% | 1.81% | 1.84% | 1.87% |
Source: Ownwell
Property Tax Assessment Values Across Grimes, Polk County, Iowa
When examining property taxes in Grimes, 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 Polk 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 March 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. In Grimes, the median home price is $316,600, and the median tax bill is $5,640, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. For example, 50111 has the highest median home price at $316,600.
Property Tax Assessment Values Across Grimes, Polk County, Iowa
Source: Ownwell
$2,050
$223,775
$445,500
Median Grimes Market Value
$316,600
Median Polk County Market Value
$232,800
Median Iowa Market Value
$169,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Grimes, Polk County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50111 | $121,000 | $234,500 | $316,600 | $407,375 | $526,350 |
Source: Ownwell
Property Tax Bills Across Grimes, Polk County, Iowa
Property tax bills in Grimes are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the tax rate to that assessed value to determine the final bill, so two homes with similar market values can still owe different amounts if their assessments differ.
For homeowners, the bill reflects more than just the house itself. It is shaped by local budgets and the services funded by property taxes, which can include schools, roads, and public safety. That means a higher assessment can lead to a larger bill even when a homeowner’s income has not changed.
In Grimes, the median home price is $316,600, and the median property tax bill is $5,640 in ZIP code 50111. That is well above the $2,400 national median property tax bill, showing how property taxes in the area can have a significant impact on monthly housing costs.
Median Grimes Tax Bill
$5,640
Median Polk County Tax Bill
$3,950
Median Iowa Tax Bill
$2,542
Median United States Tax Bill
$2,400
Property Tax Bills Across Grimes, Polk County, Iowa
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 50111 | $2,590 | $4,238 | $5,640 | $7,266 | $9,199 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 30 |
Links | |
|---|---|
| Polk Tax Assessor | |
| Website | www.assess.co.polk.ia.us |