Lemont, Will County, Illinois Property Taxes
Property Taxes in Lemont, Illinois
Median Lemont, Illinois effective property tax rate: 2.42%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Lemont, Illinois home value: $314,388
Median annual Lemont, Illinois tax bill: $7,603, $5,203 higher than the national median property tax bill of $2,400.
How are property taxes in Will calculated?
Property taxes in Lemont, 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 Lemont's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Lemont, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Lemont, Will County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.42%
Estimate Property Tax Bill
$7,608
$7,060
How Does the Lemont Property Tax Calculator Work?
Use this Lemont property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Lemont's median effective tax rate of 2.42% — based on actual property records in Will 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 Lemont's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Lemont's median effective tax rate is higher than the Illinois median tax rate of 2.33%, and the median property tax bill is $7,603, which is $5,203 higher than the state median bill. Your bill may vary by ZIP code within Lemont, but the median tax bill is $7,603 in 60439.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Lemont.
About Lemont Property Taxes
About Property Taxes in Lemont, Will, Illinois
Lemont's median effective property tax rate of 2.42% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Will 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 Lemont. Homeowners in the 60439 ZIP code carry a median effective rate of 2.42%, while those in the same ZIP code pay 2.42%. This reflects how school district boundaries and local assessment districts are drawn across Will County. Understanding where you live in Lemont can still make a meaningful difference to your annual tax bill.
Lemont 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 Lemont, Will 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 Lemont'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 Lemont Tax Rate
2.42%
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 Will County Tax Rate
2.67%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Lemont, Will County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60439 | 2.13% | 2.28% | 2.42% | 2.92% | 3.18% |
Source: Ownwell
Property Tax Assessment Values Across Lemont, Will County, Illinois
When examining property taxes in Lemont, 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 Will 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:
In Will 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 Lemont.
For example, the median home price in Lemont is $314,388, with tax bills ranging significantly across the county. 60439 has the highest median home price at $314,388.
Property Tax Assessment Values Across Lemont, Will County, Illinois
Source: Ownwell
$115,005
$343,131
$571,257
Median Lemont Market Value
$314,388
Median Will County Market Value
$280,557
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Lemont, Will County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60439 | $181,873 | $225,926 | $314,388 | $432,147 | $643,363 |
Source: Ownwell
Property Tax Bills Across Lemont, Will County, Illinois
Property tax bills in Lemont are calculated from the assessed value of a home, not its market price alone. Local taxing authorities set tax rates, and the final bill reflects both the home’s assessed value and the combined rates from schools, county services, and other local governments.
For homeowners, this means a higher assessed value can lead to a larger bill, even if the market is stable. In Lemont, the median home price is $314,388, and property tax bills are often substantial, with the 25th percentile at $5,772 and the 75th percentile at $10,991. The 90th percentile reaches $16,085, showing how quickly taxes can rise for more valuable properties.
Because property taxes are based on local assessments and rates, two similar homes can receive very different bills. That makes it important for homeowners to understand how their assessment is determined and how it affects the amount they owe each year.
Median Lemont Tax Bill
$7,603
Median Will County Tax Bill
$7,585
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Lemont, Will County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60439 | $4,286 | $5,772 | $7,603 | $10,991 | $16,085 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 1 |
Links | |
|---|---|
| Will Tax Assessor | |
| Website | www.willcountysoa.com |