St. Charles County Property Taxes
St. Charles County, Missouri
Effective Tax Rate
0.00%
178.6% above state avgMedian Annual Tax
$0
$278/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.13%
At a Glance
Median Home Value
$296,800
State avg ▲ $162,432
Tax w/ Mortgage/yr
$3,370
$281/mo escrow
Tax w/o Mortgage/yr
$3,269
$272/mo
State Tax Rate Rank
#112
of 115 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in St. Charles County, Missouri
St. Charles taxes exceed national norms
St. Charles County's effective tax rate of 1.125% ranks in the 72nd percentile nationally, well above the national median of 0.71%. The county's median property tax of $3,340 exceeds the national median of $2,690 by 24%, even though home values are closer to parity. This makes St. Charles one of the higher-tax counties outside traditional high-tax states.
St. Charles ranks second highest in state
At 1.125%, St. Charles County's effective rate is 54% higher than Missouri's state average of 0.733%. Only St. Louis County surpasses it statewide with a 1.225% rate, making these two counties the state's tax leaders. The median property tax of $3,340 is 179% above the state median of $1,199.
Significantly higher than regional peers
St. Charles County's 1.125% rate towers above neighboring St. Francois County (0.749%) and Stoddard County (0.654%) by 50% and 72% respectively. Only the neighboring St. Louis County region compares in tax burden. This gap reflects regional variation in local government spending and debt service across eastern Missouri.
Your $296,800 home costs $3,340 yearly
A median-value home in St. Charles County generates an estimated annual property tax of $3,340—approximately $278 per month. Owners with mortgages pay closer to $3,370 when escrow is included. Over a 30-year mortgage, that's roughly $100,200 in property taxes.
St. Charles property appeals save money
Given St. Charles County's high tax burden, many homeowners benefit from formal assessment appeals to challenge potentially inflated valuations. The county assessor's office accepts appeals during specific periods, and overassessments are common enough to justify the modest effort required. Even a 5% reduction in assessed value yields annual savings of $167 for typical properties.
How St. Charles County Compares
Median Annual Property Tax
St. Charles County
1.13%
Effective rate
Missouri Avg
0.74%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in St. Charles County, Missouri?
How much are property taxes in St. Charles County?
How does St. Charles County compare to the Missouri average?
What is the median home value in St. Charles County, Missouri?
Why is St. Charles County property tax rate higher than the Missouri average?
How does St. Charles County rank for property taxes in Missouri?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Missouri
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.