O Fallon, St. Clair County, Illinois Property Taxes

Name: Property Tax Bills Across O Fallon, St. Clair County, Illinois
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median O'Fallon, IL effective property tax rate: 2.40%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median O'Fallon, IL home value: $208,974
Median annual O'Fallon, IL tax bill: $4,577, $2,177 higher than the national median property tax bill of $2,400.

How are property taxes in St. Clair calculated?

Property taxes in O'Fallon, 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 O'Fallon’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in O'Fallon, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

O Fallon, St. Clair County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.4%

Estimate Property Tax Bill

$5,015

$4,654

Ownwell’s O'Fallon Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in O'Fallon with just two data points. By entering your property's estimated assessed value, our calculator applies O'Fallon’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in St. Clair County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across O Fallon, St. Clair County, Illinois

Local government entities set tax rates, which can vary widely within a state. Annually, each county estimates its required budget to provide essential services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While votes and laws are involved in setting tax rates and budgets, this is the annual process in a nutshell.

In O'Fallon, situated in St. Clair County, Illinois, the effective property tax rate is notably higher than the national median of 1.02%. The median property tax rate in this region stands at 2.40%, reflecting the county's budgetary needs and property values. This rate is significant when compared to other cities within Illinois and the national average. Property owners in O'Fallon face a tax bill that is considerably above the national median of $2,400, emphasizing the importance of understanding local tax dynamics. For residents, appealing property taxes or seeking exemptions could be a prudent way to manage these higher rates effectively.

Property Tax Rates Across O Fallon, St. Clair County, Illinois

Source: Ownwell

2.11%

4.36%

6.62%

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 O Fallon Taxx Rate

2.40%

Median Effective St. Clair County Taxx Rate

2.55%

Median Effective Illinois Tax Rate

2.35%

Median Effective United States Tax Rate

0.99%

Property Tax Rates Across O Fallon, St. Clair County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
62269	1.91%	2.22%	2.40%	2.55%	2.60%

Source: Ownwell

Property Tax Assessment Values Across O Fallon, St. Clair County, Illinois

When examining property taxes in O FALLON, 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 St. Clair 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 St. Clair County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of the season. 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 O FALLON. For example, the median home price in O FALLON is $208,974, with tax bills ranging significantly across the county. Zip code 62269 has the highest median home price at $208,974.

Property Tax Assessment Values Across O Fallon, St. Clair County, Illinois

Source: Ownwell

$15,501

$141,572

$267,642

Median O Fallon Market Value

$208,974

Median St. Clair County Market Value

$110,946

Median Illinois Market Value

$194,700

Median United States Market Value

$244,900

Property Tax Assessment Values Across O Fallon, St. Clair County, Illinois

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
62269	$88,369	$132,386	$208,974	$274,766	$358,735

Source: Ownwell

Property Tax Bills Across O Fallon, St. Clair County, Illinois

In O'Fallon, IL, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. The assessed value is typically a percentage of the market value, and local authorities set the tax rate to fund public services such as schools and infrastructure. Homeowners in O'Fallon face a median property tax bill significantly higher than the national median of $2,400. In fact, the median tax bill in the area is $4,577, which is more than the national average. This can be a substantial financial burden, especially for those with homes in the upper percentiles, where tax bills can soar to $8,456. Ownwell assists homeowners by reviewing property assessments to ensure accuracy and identifying potential savings. Through expert appeal and exemption services, we help reduce tax liabilities, potentially saving homeowners thousands of dollars annually. By leveraging our expertise, homeowners can ensure they are not overpaying and can keep more of their hard-earned money.

Property Tax Bills Across O Fallon, St. Clair County, Illinois

Source: Ownwell

$575

$2,992

$5,408

Median O Fallon Tax Bill

$4,577

Median St. Clair County Tax Bill

$2,735

Median Illinois Tax Bill

$4,715

Median United States Tax Bill

$2,690

Property Tax Bills Across O Fallon, St. Clair County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
62269	$1,685	$2,865	$4,577	$6,426	$8,456

Source: Ownwell