Somonauk, Lasalle County, Illinois Property Taxes
Median Somonauk, IL effective property tax rate: 2.71%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Somonauk, IL home value: $193,924
Median annual Somonauk, IL tax bill: $5,248, $2,848 higher than the national median property tax bill of $2,400.
How are property taxes in LaSalle calculated?
Property taxes in Somonauk, 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 Somonauk’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Somonauk, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Somonauk, Lasalle County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.71%
Estimate Property Tax Bill
$5,255
$4,877
Property Tax Rates Across Somonauk, Lasalle County, Illinois
Local government entities set tax rates, which can vary widely within a state. The process begins with each county estimating its required budget for services and dividing that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. While votes and laws influence tax rates and budgets, this is essentially the annual process.
Let's take a look at Somonauk in LaSalle County, Illinois. Somonauk's effective property tax rate is among the highest in the state, standing at 2.71%. This is significantly higher than the national median property tax rate of 1.02%. The property tax bill in Somonauk also surpasses the national median of $2,400. This can be attributed to the local government's budgetary needs and the total value of taxable property in the area.
Comparing Somonauk's tax rate to other cities in Illinois and the national average highlights the variability in property tax rates. Understanding these differences is crucial for property owners seeking to manage their tax liabilities effectively.
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 Somonauk Tax Rate
2.71%
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 Lasalle County Tax Rate
3.01%
Median Effective Illinois Tax Rate
2.35%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Somonauk, Lasalle County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60552 | 1.08% | 2.71% | 2.71% | 2.71% | 2.71% |
Source: Ownwell
Property Tax Assessment Values Across Somonauk, Lasalle County, Illinois
When examining property taxes in Somonauk, 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 LaSalle 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.
In LaSalle 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 Somonauk. For example, the median home price in Somonauk is $193,924, with tax bills ranging significantly across the county. ZIP code 60552 has the highest median home price at $193,924.
Property Tax Assessment Values Across Somonauk, Lasalle County, Illinois
Source: Ownwell

$47,830
$136,637
$225,444
Median Somonauk Market Value
$193,924
Median Lasalle County Market Value
$83,415
Median Illinois Market Value
$194,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Somonauk, Lasalle County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60552 | $95,793 | $159,008 | $193,924 | $209,169 | $284,485 |
Source: Ownwell
Property Tax Bills Across Somonauk, Lasalle County, Illinois
In Somonauk, located in LaSalle County, IL, property tax bills are determined by assessing the property's value and applying the local tax rate. With a median home price of $193,924, homeowners face property tax bills that can vary significantly. The median tax bill here is $5,248, which is substantially higher than the national median of $2,400. This discrepancy highlights the burden on homeowners in the area, especially when the tax bill reaches the 90th percentile at $7,513. Factors influencing these tax bills include the assessed value of the home and the specific tax rates set by local authorities.
Homeowners in Somonauk can find relief with Ownwell's property tax appeal services. By leveraging expertise in local tax laws and valuations, Ownwell can identify potential savings opportunities, ensuring homeowners pay only their fair share. This service not only helps reduce the financial strain but also provides peace of mind, knowing that experts are working to optimize property tax obligations.
Median Somonauk Tax Bill
$5,248
Median Lasalle County Tax Bill
$2,340
Median Illinois Tax Bill
$4,715
Median United States Tax Bill
$2,400
Property Tax Bills Across Somonauk, Lasalle County, Illinois
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
60552 | $2,241 | $3,855 | $5,248 | $5,360 | $7,513 |
Source: Ownwell