Flat Rock, Crawford County, Illinois Property Taxes
Property Taxes in Flat Rock, Illinois
Median Flat Rock, Illinois effective property tax rate: 2.84%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Flat Rock, Illinois home value: $80,685
Median annual Flat Rock, Illinois tax bill: $2,551, $151 higher than the national median property tax bill of $2,400.
How are property taxes in Crawford calculated?
Property taxes in Flat Rock, Illinois 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 Flat Rock's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Flat Rock, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Flat Rock, Crawford County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.84%
Estimate Property Tax Bill
$2,291
$2,126
How Does the Flat Rock Property Tax Calculator Work?
Use this Flat Rock property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Flat Rock's median effective tax rate of 2.84% — based on actual property records in Crawford County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Flat Rock'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 Flat Rock: rates range from 2.84% in 62427 to 2.84% in 62427, 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 Flat Rock.
About Flat Rock Property Taxes
About Property Taxes in Flat Rock, Crawford, Illinois
Flat Rock’s median effective property tax rate of 2.84% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Crawford County base levy combined with local school district levies and special service areas that vary by subdivision throughout the city.
Property tax rates are not uniform across Flat Rock. Homeowners in ZIP code 62427 carry a median effective rate of 2.84%, while the lowest rate is also 2.84%. This spread reflects how school district boundaries and local assessment districts are drawn across Crawford County. Understanding which part of Flat Rock you live in can make a meaningful difference to your annual tax bill.
Flat Rock homeowners who believe their assessed value is too high can file a formal appeal with the Crawford County Tax Assessor before the June 1, 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 Flat Rock, Crawford County, Illinois
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 Flat Rock's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.
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 Flat Rock Tax Rate
2.84%
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 Crawford County Tax Rate
2.65%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Flat Rock, Crawford County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62427 | 1.43% | 2.38% | 2.84% | 3.26% | 3.84% |
Source: Ownwell
Property Tax Assessment Values Across Flat Rock, Crawford County, Illinois
When examining property taxes in Flat Rock, Illinois, 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 Crawford 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 Crawford County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Flat Rock.
For example, the median home price in Flat Rock is $80,685, with tax bills ranging significantly across the county. 62427 has the highest median home price at $80,685.
Property Tax Assessment Values Across Flat Rock, Crawford County, Illinois
Source: Ownwell
$80,544
$106,991
$133,437
Median Flat Rock Market Value
$80,685
Median Crawford County Market Value
$84,738
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Flat Rock, Crawford County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62427 | $22,576 | $53,742 | $80,685 | $131,250 | $188,030 |
Source: Ownwell
Property Tax Bills Across Flat Rock, Crawford County, Illinois
Flat Rock property tax bills are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The assessed value is the starting point for the bill, and local taxing authorities use it to determine how much each homeowner owes.
Several factors affect the final amount, including the home’s market value, the assessment level, and the tax rates set by local governments and other taxing districts. For a home with a median home price of $80,685, the median property tax bill is $2,551, which is above the national median property tax bill of $2,400. That means homeowners in Flat Rock may face a heavier tax burden than the typical U.S. homeowner.
Property tax bills can vary widely from one home to another. In Flat Rock, bills range from $1,305 at the 25th percentile to $5,732 at the 90th percentile, showing how much assessed value and local rates can influence what homeowners pay each year.
Median Flat Rock Tax Bill
$2,551
Median Crawford County Tax Bill
$2,426
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Flat Rock, Crawford County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62427 | $720 | $1,305 | $2,551 | $3,986 | $5,732 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Crawford Tax Assessor | |
| Website | crawfordil.devnetwedge.com |