St. Louis County Property Tax Rate
Missouri
St. Louis County, Missouri has an effective property tax rate of 1.20%, which is 30% higher than the national average of 0.92%. On a home valued at $276,800, homeowners pay approximately $3,335 per year in property taxes. St. Louis County ranks #1 out of 115 counties in Missouri for property tax rates. Since 2020, the median bill has risen 19.8% while home values gained 33.9%. The county's largest city with its own tax profile is Florissant, where the median annual bill is $1,929.
$3,335
Per year
$276,800
2024 estimate
4.02%
Median income: $82,936
#1
of 115 counties in MO
Tax Breakdown
With Mortgage
$3,360
median annual tax
Without Mortgage
$3,291
median annual tax
Homeowners with a mortgage in St. Louis County pay on average $69 more per year than those without. This difference often reflects how property tax escrow accounts in mortgaged homes capture the full tax obligation.
How St. Louis County Compares
Top Counties in Missouri
Historical Property Tax Trends
Between 2020 and 2024, the median property tax bill in St. Louis County rose 19.8% (from $2,783 to $3,335), while the median home value climbed 33.9%. The effective tax rate fell from 1.35% to 1.20% over the same period.
| Year | Median Tax | Median Home Value | Effective Rate |
|---|---|---|---|
| 2020 | $2,783 | $206,700 | 1.35% |
| 2021 | $2,913 | $220,100 | 1.32% |
| 2022 | $3,101 | $249,400 | 1.24% |
| 2023 | $3,193 | $260,700 | 1.22% |
| 2024 | $3,335 | $276,800 | 1.20% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates
Missouri Property Tax Exemptions
Available to St. Louis County homeowners
Property Tax Credit
Up to $750 for renters; up to $1,100 for homeowners
Homeowners age 65+ or disabled with income under $30,000
Disabled Veteran
100% exemption from property taxes
Veterans with 100% service-connected disability rated as totally and permanently disabled
Not sure which exemption applies to you? See our full homestead exemption guide for all 50 states, including amounts and application deadlines.
Property Tax Calculator
Estimate your annual property tax in St. Louis County
Estimated Annual Property Tax
$3,600
$300/month · Rate: 1.20%
Compare other counties with the Missouri Property Tax Calculator.
Pay Your St. Louis County Property Tax
Due: December 31
Pay online or view your bill through the official St. Louis County tax office.
Go to Official Payment Site →Opens the county's official website in a new tab.
Nearby Counties
Quick Facts
Think your property tax is too high?
Homeowners save an average of $1,148/year by appealing their assessment.
Learn How to Appeal →Cities in St. Louis County
Explore property tax data for 10 cities in St. Louis County, Missouri.
| City | Annual Tax | Rate |
|---|---|---|
| Florissant | $1,929 | 1.42% |
| Chesterfield | $5,403 | 1.18% |
| Wildwood | $6,014 | 1.27% |
| Oakville | $3,267 | 1.12% |
| University City | $3,486 | 1.22% |
| Ballwin | $4,306 | 1.22% |
| Kirkwood | $4,525 | 1.07% |
| Mehlville | $2,258 | 1.07% |
| Maryland Heights | $2,737 | 1.27% |
| Hazelwood | $2,360 | 1.52% |
Frequently Asked Questions
Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.