Grantsburg, Johnson County, Illinois Property Taxes
Property Taxes in Grantsburg, Illinois
Median Grantsburg, Illinois effective property tax rate: 2.03%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Grantsburg, Illinois home value: $79,908
Median annual Grantsburg, Illinois tax bill: $1,497, lower than the national median property tax bill of $2,400.
How are property taxes in Johnson County calculated?
Property taxes in Grantsburg, 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 Grantsburg's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grantsburg, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Grantsburg, Johnson County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.03%
Estimate Property Tax Bill
$1,622
$1,505
How Does the Grantsburg Property Tax Calculator Work?
Use this Grantsburg property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Grantsburg's median effective tax rate of 2.03% — based on actual property records in Johnson County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment 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 Grantsburg'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 Grantsburg: rates range from 1497.00 in 62943 to 1497.00 in 62943, 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 Grantsburg.
About Grantsburg Property Taxes
About Property Taxes in Grantsburg, Johnson, Illinois
Grantsburg’s median effective property tax rate of 2.03% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Johnson County base levy combined with local school district levies and special service areas that can vary by subdivision throughout the city.
Property tax rates are not uniform across Grantsburg. Homeowners in the 62943 ZIP code carry a median effective rate of 2.03%, while those in the same ZIP also pay 2.03%. This reflects how school district boundaries and local assessment districts are drawn across Johnson County.
Grantsburg homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the September 27, 2024 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 Grantsburg, Johnson 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 Grantsburg'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 Grantsburg Tax Rate
2.03%
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 Johnson County Tax Rate
2.08%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Grantsburg, Johnson County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62943 | 0.77% | 1.46% | 2.03% | 2.44% | 2.46% |
Source: Ownwell
Property Tax Assessment Values Across Grantsburg, Johnson County, Illinois
When examining property taxes in Grantsburg, 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 Johnson 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 Johnson County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of {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 Grantsburg.
For example, the median home price in Grantsburg is {$medianhomeprice}, with tax bills ranging significantly across the county. {zipcode} has the highest median home price at {$highestmedianhomeprice}.
Property Tax Assessment Values Across Grantsburg, Johnson County, Illinois
Source: Ownwell
$46,122
$74,330
$102,537
Median Grantsburg Market Value
$79,908
Median Johnson County Market Value
$72,777
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Grantsburg, Johnson County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62943 | $13,948 | $29,920 | $79,908 | $126,950 | $166,994 |
Source: Ownwell
Property Tax Bills Across Grantsburg, Johnson County, Illinois
Property tax bills in Grantsburg are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value set by the taxing authority. The assessed value, not the purchase price, is the starting point for the bill, and it can change when a property is reassessed. Local tax rates, school funding, county services, and other public levies all play a role in the final amount.
For homeowners, this means a tax bill can rise even if the home itself has not changed, especially when market values increase or local budgets shift. With a median home price of $79,908, property taxes can still vary widely from one household to another. In Grantsburg, the 25th percentile tax bill is $399, the 75th percentile is $2,377, and the 90th percentile reaches $3,401. The median tax bill in zip code 62943 is $1,497, which is below the national median property tax bill of $2,400.
Median Grantsburg Tax Bill
$1,497
Median Johnson County Tax Bill
$1,260
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Grantsburg, Johnson County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62943 | $160 | $399 | $1,497 | $2,377 | $3,401 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | September 27 |
Links | |
|---|---|
| Johnson Tax Assessor | |
| Website | johnsonil.devnetwedge.com |