Saint Louis, Isabella County, Michigan Property Taxes
Property Taxes in Saint Louis, Michigan
Median Saint Louis, Michigan effective property tax rate: 0.42%, significantly lower than the national median of 1.02%, and lower than the Michigan state median of 1.05%.
Median Saint Louis, Michigan home value: $152,400
Median annual Saint Louis, Michigan tax bill: $582, $1,818 lower than the national median property tax bill of $2,400.
How are property taxes in Isabella calculated?
Property taxes in Saint Louis, Michigan 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 Saint Louis's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Saint Louis, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Saint Louis, Isabella County, Michigan Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.42%
Estimate Property Tax Bill
$640
$594
How Does the Saint Louis Property Tax Calculator Work?
Use this Saint Louis property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Saint Louis's median effective tax rate of 0.42% — based on actual property records in Isabella County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies 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 Saint Louis: rates range from 0.42% in 48880 to 0.42% in 48880, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Saint Louis.
About Saint Louis Property Taxes
About Property Taxes in Saint Louis, Isabella, Michigan
Saint Louis’s median effective property tax rate of 0.42% is lower than the Michigan state median of 1.05% and lower than the national median of 1.02%. This rate reflects the Isabella County base levy combined with local school district levies and Tax increment finance districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Saint Louis. Homeowners in the 48880 ZIP code carry a median effective rate of 0.42%, while those in the same ZIP code also pay 0.42%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Isabella County. Understanding which part of Saint Louis you live in can make a meaningful difference to your annual tax bill.
Saint Louis homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the March 9, 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 Saint Louis, Isabella County, Michigan
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 Saint Louis's effective property tax rate to other cities in Michigan and the median property tax rates in Michigan 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 Saint Louis Tax Rate
0.42%
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 Isabella County Tax Rate
1.16%
Median Effective Michigan Tax Rate
1.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Saint Louis, Isabella County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48880 | 0.23% | 0.35% | 0.42% | 0.48% | 0.53% |
Source: Ownwell
Property Tax Assessment Values Across Saint Louis, Isabella County, Michigan
When examining property taxes in Saint Louis, Michigan, 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 Isabella County appraisal district 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 Isabella 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 Saint Louis.
For example, the median home price in Saint Louis is $152,400, with tax bills ranging significantly across the county. 48880 has the highest median home price at $152,400.
Property Tax Assessment Values Across Saint Louis, Isabella County, Michigan
Source: Ownwell
$74,400
$122,200
$170,000
Median Saint Louis Market Value
$152,400
Median Isabella County Market Value
$159,600
Median Michigan Market Value
$213,740
Median United States Market Value
$235,294
Property Tax Assessment Values Across Saint Louis, Isabella County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48880 | $63,200 | $100,100 | $152,400 | $198,300 | $262,480 |
Source: Ownwell
Property Tax Bills Across Saint Louis, Isabella County, Michigan
Saint Louis property tax bills are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners, this means the tax bill is tied directly to how much the city and county believe the home is worth, rather than what the owner originally paid for it.
Several factors can affect the final bill, including the home’s location, its assessed value, and any local taxing authorities that collect revenue from the property. In Saint Louis, the median home price is $152,400, and tax bills vary across homeowners. The 25th percentile tax bill is $391, the 75th percentile is $787, and the 90th percentile is $1,052.
This system can make property taxes a significant ongoing cost for homeowners, especially when assessed values rise. Even within the same city, similar homes can receive different bills depending on how they are assessed and which local rates apply.
Median Saint Louis Tax Bill
$582
Median Isabella County Tax Bill
$1,856
Median Michigan Tax Bill
$2,084
Median United States Tax Bill
$2,400
Property Tax Bills Across Saint Louis, Isabella County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48880 | $272 | $391 | $582 | $787 | $1,052 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 9 |
Links | |
|---|---|
| Isabella Tax Assessor | |
| Website | bsaonline.com |