Wentzville, St. Charles County, Missouri Property Taxes
Property Taxes in Wentzville, Missouri
Median Wentzville, Missouri effective property tax rate: 1.31%, significantly higher than the national median of 1.02%, and higher than the Missouri state median of 1.25%.
Median Wentzville, Missouri home value: $315,200
Median annual Wentzville, Missouri tax bill: $4,122, higher than the national median property tax bill of $2,400.
How are property taxes in St. Charles calculated?
Property taxes in Wentzville, Missouri 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 April 13, 2026
Wentzville, St. Charles County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.31%
Estimate Property Tax Bill
$4,129
$3,832
How Does the Wentzville Property Tax Calculator Work?
Use this Wentzville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Wentzville's median effective tax rate of 1.31% — based on actual property records in St. Charles County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal 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 Wentzville'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 Wentzville: rates range from 1.31% in 63385 to 1.31% in 63385, 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 Wentzville.
About Wentzville Property Taxes
About Property Taxes in Wentzville, St. Charles, Missouri
Wentzville’s median effective property tax rate of 1.31% is higher than the Missouri state median of 1.25% and higher than the national median of 1.02%. This rate reflects the St. Charles County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Wentzville. Homeowners in the 63385 ZIP code carry a median effective rate of 1.31%, while those in the lowest ZIP also pay 1.31%. This spread reflects how school district boundaries and local assessment districts are drawn across St. Charles County. Understanding which part of Wentzville you live in can make a meaningful difference to your annual tax bill.
Wentzville homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the July 13, 2026 deadline each year.
If your estimated bill above 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 Wentzville, St. Charles County, Missouri
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 Wentzville's effective property tax rate to other cities in Missouri and the median property tax rates in Missouri and the U.S.
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 Wentzville Tax Rate
1.31%
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 Wentzville, St. Charles County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63385 | 1.20% | 1.31% | 1.31% | 1.31% | 1.31% |
Source: Ownwell
Property Tax Assessment Values Across Wentzville, St. Charles County, Missouri
When examining property taxes in Wentzville, Missouri, 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.
Assessment notices:
In St. Charles County, assessment notices are sent in April each year.
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. For example, the median home price in Wentzville is $315,200, with tax bills ranging significantly across the county. 63385 has the highest median home price at $315,200.
Property Tax Assessment Values Across Wentzville, St. Charles County, Missouri
Source: Ownwell
$10,000
$389,855
$769,710
Median Wentzville Market Value
$315,200
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 Wentzville, St. Charles County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63385 | $188,524 | $256,488 | $315,200 | $392,031 | $484,356 |
Source: Ownwell
Property Tax Bills Across Wentzville, St. Charles County, Missouri
Property tax bills in Wentzville are based on the assessed value of a home, which is tied to its market value, and the local tax rates set by taxing authorities. When a home’s value rises, the tax bill can increase even if the homeowner has not made any changes to the property. For Wentzville, the median home price is $315,200, and the median property tax bill is $4,122, which is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Several factors affect the final bill, including the home’s location, the assessed value, and the mix of local levies that fund public services. In Wentzville, many homeowners pay between $3,377 at the 25th percentile and $5,096 at the 75th percentile, with the 90th percentile reaching $6,261. That means property taxes can vary significantly from one homeowner to another, even within the same city.
Median Wentzville Tax Bill
$4,122
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 Wentzville, St. Charles County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63385 | $2,567 | $3,377 | $4,122 | $5,096 | $6,261 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 13 |
Links | |
|---|---|
| St. Charles Tax Assessor | |
| Website | mo-stcharles-assessor.publicaccessnow.com |