St. Louis County, Missouri Property Taxes
The median homeowner in St. Louis County pays $3,193 a year in real estate taxes, an effective rate of 1.22% on the county's $260,700 median home, per the Census Bureau's American Community Survey. That is rank 1 of 115 Missouri counties.
Estimated annual property tax by home value
| Home value | Estimated annual tax at 1.22% | Per month |
|---|---|---|
| $150,000 | $1,830 | $153 |
| $200,000 | $2,440 | $203 |
| $250,000 | $3,050 | $254 |
| $300,000 | $3,660 | $305 |
| $350,000 | $4,270 | $356 |
| $400,000 | $4,880 | $407 |
| $450,000 | $5,490 | $458 |
| $500,000 | $6,100 | $508 |
| $600,000 | $7,320 | $610 |
| $700,000 | $8,540 | $712 |
| $800,000 | $9,760 | $813 |
| $1,000,000 | $12,200 | $1,017 |
The effective rate is the median tax paid divided by the median home value; a specific home's bill depends on its assessed value, its taxing districts and any exemptions.
With and without a mortgage
Homeowners with a mortgage in St. Louis County report a median tax of $3,236; those who own outright report $3,118. Mortgaged homes tend to be newer purchases assessed at higher values.
Frequently asked questions
How much is property tax in St. Louis County?
The median St. Louis County homeowner pays $3,193 a year, which is 1.22% of the county's $260,700 median home value, per the Census Bureau's American Community Survey (2019 to 2023 five-year estimates). Owners with a mortgage report a median of $3,236; owners without one $3,118.
What would the property tax be on a $400,000 home in St. Louis County?
At the county's effective rate of 1.22%, about $4,880 a year. The actual bill depends on the assessed value, the taxing districts the home sits in and any homestead exemption, so use this as an estimate and check the county assessor's rate for the address.
How does St. Louis County compare with the rest of Missouri?
St. Louis County ranks 1 of 115 Missouri counties by effective rate (1 = highest). The Missouri county index on this site lists every county's median tax and rate.
Sources
- U.S. Census Bureau, ACS 2019-2023 five-year estimates, table B25103 (median real estate taxes paid)
- U.S. Census Bureau, ACS 2019-2023 five-year estimates, table B25077 (median value of owner-occupied housing units)
Figures are computed from the documents above and rounded to the dollar. All sources.
Property taxes in every Missouri county → St. Louis County home buyer guide →
General information, not tax advice. Medians describe the county, not any one property.
St. Louis County overview