Carbon Cliff, Rock Island County, Illinois Property Taxes
Property Taxes in Carbon Cliff, Illinois
Median Carbon Cliff, Illinois effective property tax rate: 2.82%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Carbon Cliff, Illinois home value: $182,676
Median annual Carbon Cliff, Illinois tax bill: $4,961, higher than the national median property tax bill of $2,400.
How are property taxes in Rock Island calculated?
Property taxes in Carbon Cliff, 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 Carbon Cliff's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Carbon Cliff, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Carbon Cliff, Rock Island County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.82%
Estimate Property Tax Bill
$5,151
$4,780
How Does the Carbon Cliff Property Tax Calculator Work?
Use this Carbon Cliff property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Carbon Cliff's median effective tax rate of 2.82% — based on actual property records in Rock Island 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 Carbon Cliff'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 Carbon Cliff: rates range from 2.82% in 61239 to 2.82% in 61239, 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 Carbon Cliff.
About Carbon Cliff Property Taxes
About Property Taxes in Carbon Cliff, Rock Island, Illinois
Carbon Cliff’s median effective property tax rate of 2.82% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Rock Island County levy and local taxing districts that shape what homeowners pay.
Property taxes are not uniform across Carbon Cliff. In the available data, the highest and lowest median effective rates are both 2.82% in ZIP code 61239, so there is no spread across ZIP codes in this city. That means the local tax burden is consistent throughout Carbon Cliff, even though assessed values and tax bills can still vary from home to home.
Carbon Cliff homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the June 1, 2026 deadline each year.
If your estimated bill 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 Carbon Cliff, Rock Island 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 Carbon Cliff'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 Carbon Cliff Tax Rate
2.82%
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 Rock Island County Tax Rate
2.93%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Carbon Cliff, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61239 | 2.26% | 2.63% | 2.82% | 3.20% | 3.20% |
Source: Ownwell
Property Tax Assessment Values Across Carbon Cliff, Rock Island County, Illinois
When examining property taxes in Carbon Cliff, 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 Rock Island County appraisal district 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 Rock Island County, assessment notices are sent in September each year. They'll typically reach your mailbox by the middle of September.
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. For Carbon Cliff homeowners, the median home price is $182,676, and the median tax bill is $4,961, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. In ZIP code 61239, both the highest median home price and highest median tax bill are $182,676 and $4,961.
Property Tax Assessment Values Across Carbon Cliff, Rock Island County, Illinois
Source: Ownwell
$110,655
$166,860
$223,064
Median Carbon Cliff Market Value
$182,676
Median Rock Island County Market Value
$121,995
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Carbon Cliff, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61239 | $75,963 | $107,393 | $182,676 | $236,724 | $242,618 |
Source: Ownwell
Property Tax Bills Across Carbon Cliff, Rock Island County, Illinois
Property tax bills in Carbon Cliff are determined by the assessed value of a home and the local tax rate set by taxing authorities in Rock Island County. When a property is reassessed, its market value helps shape the tax bill, which is then calculated by applying the local levy to that assessed value. Factors such as school funding, county services, and other local government needs all influence the final amount homeowners owe.
For many homeowners, this means the tax bill can change even if the home itself does not. With a median home price of $182,676, property taxes can be a significant part of housing costs. The median property tax bill in the area is $4,961, which is above the national median property tax bill of $2,400 and reflects a higher-than-average burden for local homeowners.
Property Tax Bills Across Carbon Cliff, Rock Island County, Illinois
Source: Ownwell
$3,067
$6,252
$9,436
Median Carbon Cliff Tax Bill
$4,961
Median Rock Island County Tax Bill
$3,439
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Carbon Cliff, Rock Island County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 61239 | $2,367 | $3,648 | $4,961 | $6,547 | $7,059 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Rock Island Tax Assessor | |
| Website | rockislandil.devnetwedge.com |