Big Rock, Kane County, Illinois Property Taxes
Property Taxes in Big Rock, Illinois
Median Big Rock, Illinois effective property tax rate: 2.21%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Big Rock, Illinois home value: $286,297
Median annual Big Rock, Illinois tax bill: $6,243, higher than the national median property tax bill of $2,400.
How are property taxes in Kane calculated?
Property taxes in Big 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 Big Rock's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Big Rock, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Big Rock, Kane County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.21%
Estimate Property Tax Bill
$6,327
$5,871
How Does the Big Rock Property Tax Calculator Work?
Use this Big Rock property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Big Rock's median effective tax rate of 2.21% — based on actual property records in Kane 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 Big 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 Big Rock: rates range from 2.21% in 60511 to 2.21% in 60511, 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 Big Rock.
About Big Rock Property Taxes
About Property Taxes in Big Rock, Kane, Illinois
Big Rock’s median effective property tax rate of 2.21% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Kane County base levy combined with local school district levies and Special service areas (SSAs) that vary by subdivision throughout the city.
Property tax rates are not uniform across Big Rock. Homeowners in the 60511 ZIP code carry a median effective rate of 2.21%, while those in 60511 pay 2.21%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Kane County. Understanding which part of Big Rock you live in can make a meaningful difference to your annual tax bill.
Big Rock homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Big Rock, Kane 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 Big 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 Big Rock Tax Rate
2.21%
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 Kane County Tax Rate
2.49%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Big Rock, Kane County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60511 | 1.96% | 2.11% | 2.21% | 2.39% | 2.43% |
Source: Ownwell
Property Tax Assessment Values Across Big Rock, Kane County, Illinois
When examining property taxes in Big 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 Kane 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 Kane County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
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 Big Rock.
For example, the median home price in Big Rock is $286,297, with tax bills ranging significantly across the county. 60511 has the highest median home price at $286,297.
Property Tax Assessment Values Across Big Rock, Kane County, Illinois
Source: Ownwell
$156,664
$405,361
$654,058
Median Big Rock Market Value
$286,297
Median Kane County Market Value
$279,433
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Big Rock, Kane County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60511 | $186,875 | $228,631 | $286,297 | $360,504 | $477,064 |
Source: Ownwell
Property Tax Bills Across Big Rock, Kane County, Illinois
Big 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 then adjusted by exemptions or other qualifying factors, and the final bill reflects the share of local taxes owed by the homeowner. Because property taxes help fund local services, changes in a home’s value or tax rate can directly affect what a homeowner pays each year.
With a median home price of $286,297, property tax bills in Big Rock can be substantial. The 25th percentile tax bill is $4,997, while the 75th percentile is $7,931 and the 90th percentile reaches $10,768. The median tax bill in the area is $6,243, which is well above the national median property tax bill of $2,400 and above the national median property tax rate of 1.02%.
Median Big Rock Tax Bill
$6,243
Median Kane County Tax Bill
$6,802
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Big Rock, Kane County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60511 | $3,977 | $4,997 | $6,243 | $7,931 | $10,768 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Kane Tax Assessor | |
| Website | kaneil.devnetwedge.com |