Westmont, Dupage County, Illinois Property Taxes
Property Taxes in Westmont, Illinois
Median Westmont, Illinois effective property tax rate: 2.04%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Westmont, Illinois home value: $302,610
Median annual Westmont, Illinois tax bill: $5,985, higher than the national median property tax bill of $2,400.
How are property taxes in DuPage calculated?
Property taxes in Westmont, 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 Westmont's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Westmont, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Westmont, Dupage County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.04%
Estimate Property Tax Bill
$6,173
$5,729
How Does the Westmont Property Tax Calculator Work?
Use this Westmont property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Westmont's median effective tax rate of 2.04% — based on actual property records in DuPage 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 Westmont's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Westmont's median effective tax rate is higher than the Illinois median tax rate of 2.33%, and the median property tax bill is $5,985, which is $3,585 higher than the state median property tax bill. Your bill may vary by ZIP code within Westmont: rates range from 5,985.00% in 60559 to 5,985.00% in 60559.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Westmont.
About Westmont Property Taxes
About Property Taxes in Westmont, DuPage, Illinois
Westmont’s median effective property tax rate of 2.04% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the DuPage 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 Westmont. Homeowners in the 60559 ZIP code carry a median effective rate of 2.04%, while those in the same ZIP also pay 2.04%. This spread reflects how school district boundaries and local assessment districts are drawn across DuPage County. Understanding where you live in Westmont can make a meaningful difference to your annual tax bill.
Westmont 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 Westmont, Dupage 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 Westmont'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 Westmont Tax Rate
2.04%
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 Tax Rate
2.16%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Westmont, Dupage County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60559 | 1.67% | 1.90% | 2.04% | 2.12% | 2.22% |
Source: Ownwell
Property Tax Assessment Values Across Westmont, Dupage County, Illinois
When examining property taxes in Westmont, 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 DuPage 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 DuPage County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Westmont.
For example, the median home price in Westmont is $302,610, with tax bills ranging significantly across the county. 60559 has the highest median home price at $302,610.
Property Tax Assessment Values Across Westmont, Dupage County, Illinois
Source: Ownwell
$70,860
$450,405
$829,950
Median Westmont Market Value
$302,610
Median Dupage County Market Value
$340,350
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Westmont, Dupage County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60559 | $162,948 | $227,235 | $302,610 | $404,025 | $567,504 |
Source: Ownwell
Property Tax Bills Across Westmont, Dupage County, Illinois
Property tax bills in Westmont are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. Local taxing authorities set budgets, and the total tax burden is then distributed among homeowners according to each property’s share of assessed value. Factors such as the home’s market value, exemptions, and changes in local levies can affect the final bill.
With a median home price of $302,610, Westmont homeowners face property tax bills that are often well above the national median property tax bill of $2,400. The median tax bill in the area is $5,985, and bills can vary widely, with the 25th percentile at $4,293 and the 75th percentile at $8,364. At the high end, the 90th percentile reaches $11,956.
For homeowners, this means property taxes can be a major ongoing cost, especially when assessed values rise faster than incomes or local tax rates change.
Median Westmont Tax Bill
$5,985
Median Dupage County Tax Bill
$7,578
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Westmont, Dupage County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60559 | $2,977 | $4,293 | $5,985 | $8,364 | $11,956 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| DuPage Tax Assessor | |
| Website | propertylookup.dupagecounty.gov |