Tamms, Alexander County, Illinois Property Taxes
Property Taxes in Tamms, Illinois
Median Tamms, Illinois effective property tax rate: 2.22%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Tamms, Illinois home value: $47,286
Median annual Tamms, Illinois tax bill: $1,075, lower than the national median property tax bill of $2,400.
How are property taxes in Alexander calculated?
Property taxes in Tamms, 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 Tamms's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Tamms, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Tamms, Alexander County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.22%
Estimate Property Tax Bill
$1,050
$974
How Does the Tamms Property Tax Calculator Work?
Use this Tamms property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Tamms' median effective tax rate of 2.22% — based on actual property records in Alexander County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Tamms' 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 Tamms: rates range from 1088.00% in 62988 to 1088.00% in 62988, 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 Tamms.
About Tamms Property Taxes
About Property Taxes in Tamms, Alexander, Illinois
Tamms’s median effective property tax rate of 2.22% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Alexander County base levy combined with local school district levies and other local charges that shape the tax bill across the city.
Property tax rates are not uniform across Tamms. Homeowners in ZIP code 62988 carry a median effective rate of 2.23%, and the median home price there is $47,367. That same ZIP code also has a median tax bill of $1,088, showing how local assessments can affect what homeowners pay.
Tamms homeowners who believe their assessed value is too high can file a formal appeal with the Alexander County Tax Assessor before the May 15, 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 Tamms, Alexander 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 Tamms'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 Tamms Tax Rate
2.22%
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 Alexander County Tax Rate
2.60%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Tamms, Alexander County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62988 | 1.30% | 1.88% | 2.23% | 2.99% | 3.63% |
| 62990 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Tamms, Alexander County, Illinois
When examining property taxes in Tamms, 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 Alexander County assessment 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.
Assessment notices:
In Alexander 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 Tamms.
For example, the median home price in Tamms is $47,286, with tax bills ranging significantly across the county. 62988 has the highest median home price at $47,367.
Property Tax Assessment Values Across Tamms, Alexander County, Illinois
Source: Ownwell
$12,225
$34,401
$56,576
Median Tamms Market Value
$47,286
Median Alexander County Market Value
$42,570
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Tamms, Alexander County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62988 | $6,840 | $20,661 | $47,367 | $89,019 | $125,164 |
| 62990 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Tamms, Alexander County, Illinois
Property tax bills in Tamms are calculated from the assessed value of a home and the local tax rate set by taxing authorities. The assessed value is based on the market value of the property, and the final bill reflects how that value is taxed in Alexander County. For homeowners, this means a change in market value can affect the amount owed even if the home itself has not changed.
In Tamms, the median home price is $47,286, and the median property tax bill is $1,088. That is below the national median property tax bill of $2,400 and below the national median property tax rate of 1.02%. Property tax bills can vary widely, with the 25th percentile at $528 and the 75th percentile at $2,101. At the 90th percentile, bills reach $3,176, which can create a heavier burden for some homeowners.
Median Tamms Tax Bill
$1,075
Median Alexander County Tax Bill
$1,043
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Tamms, Alexander County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 62988 | $212 | $525 | $1,088 | $2,102 | $3,181 |
| 62990 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | May 15 |
Links | |
|---|---|
| Alexander Tax Assessor | |
| Website | alexanderil.devnetwedge.com |