Lake St Louis, St. Charles County, Missouri Property Taxes
Median LAKE ST LOUIS, MO effective property tax rate: 1.03%, slightly higher than the national median of 1.02%, but lower than the Missouri state median of 1.20%.
Median LAKE ST LOUIS, MO home value: $760,472
Median annual LAKE ST LOUIS, MO tax bill: $8,050, $5,650 higher than the national median property tax bill of $2,400.
How are property taxes in St. Charles calculated?
Property taxes in LAKE ST LOUIS, MO 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 LAKE ST LOUIS’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in LAKE ST LOUIS, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Lake St Louis, St. Charles County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.03%
Estimate Property Tax Bill
$7,833
$7,269
Property Tax Rates Across Lake St Louis, St. Charles County, Missouri
Local government entities are responsible for setting tax rates, which can differ significantly across Missouri. Each year, counties like St. Charles calculate their necessary budget to maintain services and divide it by the total value of all taxable property in the area. This determines the property tax rate. Although votes and legislation play a role in finalizing these rates and budgets, this is essentially how the process unfolds annually.
In Lake St. Louis, located in St. Charles County, the effective property tax rate is comparable to the state median and slightly higher than the national average. With Missouri's median property tax rate at 1.03%, it aligns closely with the national median of 1.02%. Residents of Lake St. Louis can see how their rates stack up against both state and national figures, providing valuable insight into their property tax obligations. Understanding these rates helps residents make informed decisions about property ownership and financial planning.
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 Lake St Louis Tax Rate
1.03%
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. Charles County Tax Rate
1.08%
Median Effective Missouri Tax Rate
1.20%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Lake St Louis, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63367 | 1.02% | 1.03% | 1.03% | 1.11% | 1.18% |
Source: Ownwell
Property Tax Assessment Values Across Lake St Louis, St. Charles County, Missouri
When examining property taxes in Lake St. Louis, MO, 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. Charles County Assessor's office 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.
In St. Charles County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Lake St. Louis.
For example, the median home price in Lake St. Louis is $760,472, with tax bills ranging significantly across the county. ZIP code 63367 has the highest median home price at $760,472.
Property Tax Assessment Values Across Lake St Louis, St. Charles County, Missouri
Source: Ownwell

$10,000
$385,236
$760,472
Median Lake St Louis Market Value
$760,472
Median St. Charles County Market Value
$293,699
Median Missouri Market Value
$129,505
Median United States Market Value
$235,294
Property Tax Assessment Values Across Lake St Louis, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63367 | $266,619 | $699,850 | $760,472 | $808,838 | $932,164 |
Source: Ownwell
Property Tax Bills Across Lake St Louis, St. Charles County, Missouri
Property Tax Bills Across Lake St Louis, St. Charles County, Missouri
Source: Ownwell

$119
$4,085
$8,050
Median Lake St Louis Tax Bill
$8,050
Median St. Charles County Tax Bill
$3,174
Median Missouri Tax Bill
$1,606
Median United States Tax Bill
$2,400
Property Tax Bills Across Lake St Louis, St. Charles County, Missouri
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
63367 | $2,776 | $7,565 | $8,050 | $8,611 | $9,580 |
Source: Ownwell