Clayton, St. Louis County, Missouri Property Taxes
Property Taxes in Clayton, Missouri
Median Clayton, Missouri effective property tax rate: 1.29%, significantly higher than the national median of 1.02%, and higher than the Missouri state median of 1.25%.
Median Clayton, Missouri home value: $1,467,900
Median annual Clayton, Missouri tax bill: $18,955, $16,555 higher than the national median property tax bill of $2,400.
How are property taxes in St. Louis calculated?
Property taxes in Clayton, 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 Clayton's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Clayton, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Clayton, St. Louis County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.29%
Estimate Property Tax Bill
$18,936
$17,572
How Does the Clayton Property Tax Calculator Work?
Use this Clayton property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Clayton's median effective tax rate of 1.29% — based on actual property records in St. Louis 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 Clayton'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 Clayton: rates range from 1.29% in 63105 to 1.29% in 63105, 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 Clayton.
About Clayton Property Taxes
About Property Taxes in Clayton, St. Louis, Missouri
Clayton's median effective property tax rate of 1.29% is higher than the Missouri state median of 1.25% and higher than the national median of 1.02%. This rate reflects the St. Louis 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 Clayton. Homeowners in the 63105 ZIP code carry a median effective rate of 1.29%, while those in the 63105 pay 1.29%. This spread reflects how school district boundaries and local assessment districts are drawn across St. Louis County. Understanding which part of Clayton you live in can make a meaningful difference to your annual tax bill.
Clayton 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 Clayton, St. Louis 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 Clayton'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 ÷ 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 Clayton Tax Rate
1.29%
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. Louis County Tax Rate
1.36%
Median Effective Missouri Tax Rate
1.25%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Clayton, St. Louis County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63105 | 1.29% | 1.29% | 1.29% | 1.29% | 1.29% |
Source: Ownwell
Property Tax Assessment Values Across Clayton, St. Louis County, Missouri
When examining property taxes in Clayton, 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. Louis County 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. Louis County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Clayton.
For example, the median home price in Clayton is $1,467,900, with tax bills ranging significantly across the county. 63105 has the highest median home price at $1,467,900.
Property Tax Assessment Values Across Clayton, St. Louis County, Missouri
Source: Ownwell
$54,800
$761,350
$1,467,900
Median Clayton Market Value
$1,467,900
Median St. Louis County Market Value
$226,300
Median Missouri Market Value
$136,526
Median United States Market Value
$235,294
Property Tax Assessment Values Across Clayton, St. Louis County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63105 | $1,315,440 | $1,378,700 | $1,467,900 | $1,746,400 | $2,069,500 |
Source: Ownwell
Property Tax Bills Across Clayton, St. Louis County, Missouri
Property tax bills in Clayton are based on the assessed value of a home, not the market price alone. Local taxing authorities apply tax rates to that assessed value to determine the final bill, so changes in assessment can have a direct impact on what homeowners owe. Because property taxes are tied to value, higher-valued homes often face larger bills, especially when local rates remain steady.
With a median home price of $1,467,900, Clayton homeowners typically see substantial property tax obligations. The 25th percentile tax bill is $17,805, the 75th percentile is $22,546, and the 90th percentile reaches $26,713. The median tax bill in ZIP code 63105 is $18,955, which is far above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. For homeowners, that means property taxes can be one of the largest ongoing costs of owning a home.
Median Clayton Tax Bill
$18,955
Median St. Louis County Tax Bill
$3,176
Median Missouri Tax Bill
$1,684
Median United States Tax Bill
$2,400
Property Tax Bills Across Clayton, St. Louis County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63105 | $16,989 | $17,805 | $18,955 | $22,546 | $26,713 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 13 |
Links | |
|---|---|
| St. Louis Tax Assessor | |
| Website | assessor.stlouiscountymo.gov |