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O Fallon, St. Charles County, Missouri Property Taxes

  • Median O Fallon, MO effective property tax rate: 1.08%, slightly higher than the national median of 1.02%, but lower than the Missouri state median of 1.20%.

  • Median O Fallon, MO home value: $310,694

  • Median annual O Fallon, MO tax bill: $3,391, $991 higher than the national median property tax bill of $2,400.

How are property taxes in St. Charles calculated?

Property taxes in O Fallon, MO 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. Charles County, Missouri Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.26%

Estimate Property Tax Bill

$3,900

$3,619

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. Charles. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across O Fallon, St. Charles County, Missouri

Local government entities determine tax rates, leading to significant variation within a state. Each county annually estimates its budget for services and divides this by the total value of all taxable property, resulting in the property tax rate. Though votes and laws play a role in setting these rates and budgets, this is the essence of the process. Comparing O'Fallon’s effective property tax rate to other cities in Missouri reveals intriguing insights. O'Fallon, located in St. Charles County, has a median tax rate of 1.08%, which is slightly above the national median of 1.02%. Within the city, the highest median tax rate is 1.09% in the 63366 zip code, while the lowest is 1.07% in the 63368 zip code. These figures show a close range, yet they highlight the subtle differences that can impact property owners. Understanding these variations can help homeowners make informed decisions about property investments and tax appeals.

Property Tax Rates Across O Fallon, St. Charles County, Missouri

Source: Ownwell

1.09%

1.21%

1.33%

Our median effective property tax rate (tax bill Ă· 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 Tax Rate

1.26%

Our median effective property tax rate (tax bill Ă· 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 St. Charles County Tax Rate

1.26%

Median Effective Missouri Tax Rate

1.25%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across O Fallon, St. Charles County, Missouri

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
633661.19%1.25%1.26%1.26%1.33%
633681.18%1.21%1.25%1.26%1.30%

Source: Ownwell

Property Tax Assessment Values Across O Fallon, St. Charles County, Missouri

When examining property taxes in O'Fallon, MO, 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. Charles 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. Charles 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 O'Fallon.

For example, the median home price in O'Fallon is $310,694, with tax bills ranging significantly across the county. Zip code 63368 has the highest median home price at $339,704.

Property Tax Assessment Values Across O Fallon, St. Charles County, Missouri

Source: Ownwell

$10,000

$389,855

$769,710

Median O Fallon Market Value

$309,554

Median St. Charles County Market Value

$292,700

Median Missouri Market Value

$136,526

Median United States Market Value

$235,294

Property Tax Assessment Values Across O Fallon, St. Charles County, Missouri

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
63366$180,029$223,048$289,104$353,750$423,640
63368$202,146$274,020$337,893$422,531$503,912

Source: Ownwell

Property Tax Bills Across O Fallon, St. Charles County, Missouri

In O’Fallon, located in St. Charles County, MO, 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 home's market value, which in O’Fallon is influenced by factors such as location, property size, and market conditions. Homeowners in O’Fallon experience varying tax bills, with the 25th percentile at $2,603 and the 75th percentile at $4,154, reflecting diverse property values and tax rates. The highest median tax bill in the area is $3,606 in the 63368 zip code, which is above the national median of $2,400. This can significantly impact homeowners' budgets, especially when compared to the national median property tax rate of 1.02%. Ownwell assists homeowners in reducing these burdensome tax bills by providing expert property tax appeal services. By identifying discrepancies in property assessments, Ownwell helps ensure homeowners are not overpaying, potentially saving them hundreds or even thousands of dollars annually.

Property Tax Bills Across O Fallon, St. Charles County, Missouri

Source: Ownwell

$116

$5,072

$10,027

Median O Fallon Tax Bill

$3,890

Median St. Charles County Tax Bill

$3,678

Median Missouri Tax Bill

$1,684

Median United States Tax Bill

$2,400

Property Tax Bills Across O Fallon, St. Charles County, Missouri

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
63366$2,298$2,818$3,659$4,435$5,263
63368$2,626$3,454$4,184$5,210$6,175

Source: Ownwell

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