Sycamore, Dekalb County, Illinois Property Taxes
Property Taxes in Sycamore, Illinois
Median Sycamore, Illinois effective property tax rate: 2.44%, significantly higher than the national median of 1.02%, and higher than the Illinois state median of 2.33%.
Median Sycamore, Illinois home value: $252,836
Median annual Sycamore, Illinois tax bill: $6,080, $3,680 higher than the national median property tax bill of $2,400.
How are property taxes in DeKalb calculated?
Property taxes in Sycamore, 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 Sycamore's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Sycamore, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Sycamore, Dekalb County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.44%
Estimate Property Tax Bill
$6,169
$5,725
How Does the Sycamore Property Tax Calculator Work?
Use this Sycamore property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Sycamore's median effective tax rate of 2.44% — based on actual property records in DeKalb 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 Sycamore'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 Sycamore: rates range from 2.44% in 60178 to 2.44% in 60178, 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 Sycamore.
About Sycamore Property Taxes
About Property Taxes in Sycamore, DeKalb, Illinois
Sycamore's median effective property tax rate of 2.44% is higher than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the DeKalb 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 Sycamore. Homeowners in the 60178 ZIP code carry a median effective rate of 2.44%, while those in the lowest ZIP code pay 2.44%. This spread reflects how school district boundaries and local assessment districts are drawn across DeKalb County. Understanding which part of Sycamore you live in can make a meaningful difference to your annual tax bill.
Sycamore homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before June 1, 2026.
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 Sycamore, Dekalb 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 Sycamore'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 Sycamore Tax Rate
2.44%
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 Dekalb County Tax Rate
2.44%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Sycamore, Dekalb County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60178 | 2.08% | 2.28% | 2.44% | 2.59% | 2.75% |
Source: Ownwell
Property Tax Assessment Values Across Sycamore, Dekalb County, Illinois
When examining property taxes in Sycamore, 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 DeKalb 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 are sent in the spring each year and 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.
For example, the median home price in Sycamore is $252,836, with a median tax bill of $6,080. That is well above the national median property tax bill of $2,400. The highest median home price is in 60178 at $252,836.
Property Tax Assessment Values Across Sycamore, Dekalb County, Illinois
Source: Ownwell
$160,695
$253,926
$347,157
Median Sycamore Market Value
$252,836
Median Dekalb County Market Value
$222,627
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Sycamore, Dekalb County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60178 | $151,566 | $183,414 | $252,836 | $354,770 | $428,207 |
Source: Ownwell
Property Tax Bills Across Sycamore, Dekalb County, Illinois
Property tax bills in Sycamore are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the tax rate to that assessed value, and the final bill reflects the mix of city, county, school, and other local levies. For homeowners, this means two similar homes can still receive different bills if their assessments differ.
In Sycamore, the median home price is $252,836, and the median property tax bill is $6,080, which is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. Bills can vary widely, with the 25th percentile at $4,388 and the 75th percentile at $8,531, while the 90th percentile reaches $10,518. That range shows how assessment levels and local tax rates can significantly affect what homeowners owe each year.
Median Sycamore Tax Bill
$6,080
Median Dekalb County Tax Bill
$5,381
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Sycamore, Dekalb County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60178 | $3,398 | $4,388 | $6,080 | $8,531 | $10,518 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| DeKalb Tax Assessor | |
| Website | dekalbil.devnetwedge.com |