Lake Saint Louis, Morgan County, Missouri Property Taxes
Property Taxes in Lake Saint Louis, Missouri
Median Lake Saint Louis, Missouri effective property tax rate: 2.43%, significantly higher than the national median of 1.02%, and higher than the Missouri state median of 1.25%.
Median Lake Saint Louis, Missouri home value: $4,400
Median annual Lake Saint Louis, Missouri tax bill: $107, $2,293 lower than the national median property tax bill of $2,400.
How are property taxes in Morgan calculated?
Property taxes in Lake Saint Louis, Missouri 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 Saint Louis's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Lake Saint Louis, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Lake Saint Louis, Morgan County, Missouri Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.43%
Estimate Property Tax Bill
$107
$99
How Does the Lake Saint Louis Property Tax Calculator Work?
Use this Lake Saint Louis property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Lake Saint Louis's median effective tax rate of 2.43% — based on actual property records in Morgan County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Lake Saint Louis's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Lake Saint Louis: rates range from local differences in school district levies and assessment districts. For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Lake Saint Louis.
About Lake Saint Louis Property Taxes
About Property Taxes in Lake Saint Louis, Morgan, Missouri
Lake Saint Louis's median effective property tax rate of 2.43% is higher than the Missouri state median of 1.25% and higher than the national median of 1.02%. This rate reflects the Morgan County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Lake Saint Louis. Homeowners in the highest ZIP code carry a median effective rate of 2.43%, while those in the lowest pay 2.43%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Morgan County. Understanding which part of Lake Saint Louis you live in can make a meaningful difference to your annual tax bill.
Lake Saint Louis homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the July 13, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Lake Saint Louis, Morgan County, Missouri
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Lake Saint Louis's effective property tax rate to other cities in Missouri and the median property tax rates in Missouri and the U.S.
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 Saint Louis Tax Rate
2.43%
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 Morgan County Tax Rate
0.89%
Median Effective Missouri Tax Rate
1.25%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Lake Saint Louis, Morgan County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63367 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Lake Saint Louis, Morgan County, Missouri
When examining property taxes in Lake Saint Louis, Missouri, 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 Morgan County assessor 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.
Assessment notices:
In Morgan County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Saint Louis.
For example, the median home price in Lake Saint Louis is $4,400, with tax bills ranging significantly across the county. The median tax bill is $107, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Property Tax Assessment Values Across Lake Saint Louis, Morgan County, Missouri
Source: Ownwell
$1,750
$74,800
$147,850
Median Lake Saint Louis Market Value
$4,400
Median Morgan County Market Value
$49,400
Median Missouri Market Value
$136,526
Median United States Market Value
$235,294
Property Tax Assessment Values Across Lake Saint Louis, Morgan County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63367 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Lake Saint Louis, Morgan County, Missouri
How are property tax bills calculated in Lake Saint Louis?
Property tax bills in Lake Saint Louis are based on the assessed value of a home, which is then multiplied by the local tax rate set by taxing authorities. The amount a homeowner owes depends on the market value of the property, any applicable exemptions, and the specific levies used to fund local services. For homeowners, this means a higher assessed value can lead to a larger bill, while exemptions may help reduce what is due.
What do Lake Saint Louis homeowners typically pay?
The typical property tax bill in Lake Saint Louis is $4,400, which is above the $2,400 national median property tax bill. Bills can vary widely across homeowners, with the 25th percentile at $71, the 75th percentile at $1,095, and the 90th percentile at $1,687. These differences show how property tax costs can change based on the assessed value and local tax structure, making it important for homeowners to understand how their bill is determined.
Median Lake Saint Louis Tax Bill
$107
Median Morgan County Tax Bill
$428
Median Missouri Tax Bill
$1,684
Median United States Tax Bill
$2,400
Property Tax Bills Across Lake Saint Louis, Morgan County, Missouri
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 63367 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 13 |
Links | |
|---|---|
| Morgan Tax Assessor | |
| Website | morgan.integritygis.com |