Lemont, Dupage County, Illinois Property Taxes
Median Lemont, IL effective property tax rate: 1.82%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Lemont, IL home value: $313,710
Median annual Lemont, IL tax bill: $5,538, $3,138 higher than the national median property tax bill of $2,400.
How are property taxes in DuPage calculated?
Property taxes in Lemont, IL 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 March 1, 2025
Lemont, Dupage County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.82%
Estimate Property Tax Bill
$5,710
$5,298
Property Tax Rates Across Lemont, Dupage County, Illinois
Local government entities determine tax rates, which can differ significantly within a state. This variation stems from each county's annual budget estimation process. They calculate the necessary funds to maintain services and divide this by the total value of all taxable property in the area, resulting in the property tax rate. While legislative actions and public votes play roles in setting these rates and budgets, this is essentially the yearly procedure.
In Lemont, located in DuPage County, the effective property tax rate stands at 1.82%. This rate is significantly higher than the national median property tax rate of 1.02%, indicating a more substantial tax burden for property owners in this region. When comparing Lemont’s rate to other cities in Illinois, it consistently aligns with the highest median tax rates within the state. This comparison highlights the variability of property tax rates within Illinois and across the nation, emphasizing the importance of understanding local tax dynamics. By being informed about these rates, property owners can better navigate their financial obligations and explore potential opportunities for appeals or exemptions.
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 Taxx Rate
1.82%
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 Dupage County Taxx Rate
2.22%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
0.99%
Property Tax Rates Across Lemont, Dupage County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60439 | 1.71% | 1.77% | 1.82% | 1.93% | 2.17% |
Source: Ownwell
Property Tax Assessment Values Across Lemont, Dupage County, Illinois
When examining property taxes in Lemont, IL, 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 DuPage County Assessor's 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.
In DuPage 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 $313,710, with tax bills ranging significantly across the county. Zip code 60439 has the highest median home price at $313,710.
Property Tax Assessment Values Across Lemont, Dupage County, Illinois
Source: Ownwell

$72,210
$441,000
$809,790
Median Lemont Market Value
$313,710
Median Dupage County Market Value
$319,350
Median Illinois Market Value
$194,700
Median United States Market Value
$244,900
Property Tax Assessment Values Across Lemont, Dupage County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60439 | $143,460 | $240,172 | $313,710 | $398,032 | $522,846 |
Source: Ownwell
Property Tax Bills Across Lemont, Dupage County, Illinois
In Lemont, located in DuPage County, IL, property tax bills are calculated based on the assessed value of a home, which is a percentage of its market value. The median home price in Lemont is $313,710. Homeowners can expect property tax bills that vary significantly, with the 25th percentile at $4,294 and the 75th percentile reaching $7,232. The 90th percentile tax bill can be as high as $10,585. These figures are notably higher than the national median property tax bill of $2,400.
Several factors influence the property tax bill, including local tax rates and levies set by various taxing authorities, such as schools and municipalities. For homeowners, these taxes can represent a significant financial obligation.
Ownwell can assist homeowners in Lemont by appealing their property tax assessments, potentially lowering their tax bills. By analyzing market conditions and comparable property values, Ownwell identifies opportunities for tax savings, ensuring homeowners don't overpay and can allocate their resources more effectively.
Median Lemont Tax Bill
$5,538
Median Dupage County Tax Bill
$7,313
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,690
Property Tax Bills Across Lemont, Dupage County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60439 | $2,666 | $4,294 | $5,538 | $7,232 | $10,585 |
Source: Ownwell