Wentzville, St. Charles County, Missouri Property Taxes
Median Wentzville, MO effective property tax rate: 1.13%, slightly higher than the national median of 1.02%, but lower than the Missouri state median of 1.20%.
Median Wentzville, MO home value: $316,806
Median annual Wentzville, MO tax bill: $3,597, $1,197 higher than the national median property tax bill of $2,400.
How are property taxes in St. Charles County calculated?
Property taxes in Wentzville, 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 Wentzville’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Wentzville, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Wentzville, St. Charles County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.13%
Estimate Property Tax Bill
$3,580
$3,322
Property Tax Rates Across Wentzville, St. Charles County, Missouri
Local government entities set tax rates, which can vary widely within a state. 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 Wentzville’s effective property tax rate to other cities in Missouri and the median property tax rates in Missouri and the U.S.
Wentzville, located in St. Charles County, has a property tax rate of 1.13%. This rate is above the national median property tax rate of 1.02% and also aligns with the highest and lowest median tax rates within its zip code. Wentzville's property tax rate reflects the county's budgetary needs and the total assessed value of properties. This comparison highlights how property tax rates can differ significantly, even within a single state, depending on local fiscal requirements and property values. Understanding these variations can help property owners make informed decisions about their investments and financial planning.
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 Wentzville Tax Rate
1.13%
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 St. Charles County Tax Rate
1.08%
Median Effective Missouri Tax Rate
1.20%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Wentzville, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63385 | 1.01% | 1.08% | 1.13% | 1.19% | 1.24% |
Source: Ownwell
Property Tax Assessment Values Across Wentzville, St. Charles County, Missouri
When examining property taxes in Wentzville, 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 Assessor 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 Wentzville.
For example, the median home price in Wentzville is $316,806, with tax bills ranging significantly across the county. Zip code 63385 has the highest median home price at $316,806.
Property Tax Assessment Values Across Wentzville, St. Charles County, Missouri
Source: Ownwell

$10,000
$385,236
$760,472
Median Wentzville Market Value
$316,806
Median St. Charles County Market Value
$293,699
Median Missouri Market Value
$129,505
Median United States Market Value
$235,294
Property Tax Assessment Values Across Wentzville, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63385 | $200,453 | $259,844 | $316,806 | $393,348 | $485,722 |
Source: Ownwell
Property Tax Bills Across Wentzville, St. Charles County, Missouri
Property tax bills in Wentzville, located in St. Charles County, Missouri, are calculated based on the assessed value of a home and the local tax rate. The assessed value is determined by evaluating the market value of the property, which is then multiplied by the assessment rate set by the state. In this region, the median home price is $316,806, and property tax bills can vary significantly. For instance, the 25th percentile tax bill is $2,897, while the 75th percentile reaches $4,446, and the 90th percentile climbs to $5,526. This variation can have a substantial impact on homeowners, potentially leading to higher annual expenses than the national median property tax bill of $2,400.
Ownwell offers valuable assistance to homeowners by providing property tax appeal and exemption services. By leveraging expert knowledge and strategic insights, Ownwell helps homeowners potentially reduce their property tax bills, ensuring they only pay their fair share. This service can alleviate financial pressure and contribute to long-term savings for property owners in Wentzville.
Median Wentzville Tax Bill
$3,597
Median St. Charles County Tax Bill
$3,174
Median Missouri Tax Bill
$1,606
Median United States Tax Bill
$2,400
Property Tax Bills Across Wentzville, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63385 | $2,168 | $2,897 | $3,597 | $4,446 | $5,526 |
Source: Ownwell