St. Charles County, MO Property Tax Calculator
St. Charles County homeowners pay a median $3,480 a year in property tax, 1.08% of a median $320,800 home: above Missouri's 0.85% and the national 0.94%.
Property tax in St. Charles County by home value, at 1.08%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $2,170 | $181 |
| $300,000 | $3,255 | $271 |
| $400,000 | $4,340 | $362 |
| $500,000 | $5,425 | $452 |
| $750,000 | $8,138 | $678 |
| $1,000,000 | $10,850 | $904 |
St. Charles County against Missouri and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| St. Charles County | 1.08% | $3,480 | $320,800 | $104,692 |
| Missouri | 0.85% | $1,948 | $230,300 | $70,702 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in St. Charles County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in St. Charles County?
The effective rate is 1.08%: a median $3,480 a year on a median $320,800 home. That's the 3rd highest of the 22 Missouri counties we cover.
How much is property tax on a $400,000 house in St. Charles County?
About $4,340 a year, $362 a month, at the county's effective rate, before any exemption.
How does St. Charles County compare with the rest of Missouri?
Its rate is above the state's 0.85%. Across Missouri, covered counties range from 0.55% to 1.21%.
How do I lower my St. Charles County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
Other Missouri counties
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.