Decatur, Cass County, Michigan Property Taxes
Property Taxes in Decatur, Michigan
Median Decatur, Michigan effective property tax rate: 0.31%, significantly lower than the national median of 1.02%, and lower than the Michigan state median of 1.05%.
Median Decatur, Michigan home value: $226,800
Median annual Decatur, Michigan tax bill: $709, lower than the national median property tax bill of $2,400.
How are property taxes in Cass calculated?
Property taxes in Decatur, 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 Decatur's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Decatur, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Decatur, Cass County, Michigan Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.31%
Estimate Property Tax Bill
$703
$652
How Does the Decatur Property Tax Calculator Work?
Use this Decatur property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Decatur's median effective tax rate of 0.31% — based on actual property records in Cass County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Decatur'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 Decatur, but the available ZIP code shows a median tax bill of $709 in 49045. That is lower than Michigan's median property tax bill by $1,691 and below the 1.05% state median tax rate.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Decatur.
About Decatur Property Taxes
About Property Taxes in Decatur, Cass, Michigan
Decatur’s median effective property tax rate of 0.31% is lower than the Michigan state median of 1.05% and lower than the national median of 1.02%. This rate reflects the Cass 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 Decatur. Homeowners in the 49045 ZIP code carry a median effective rate of 0.31%, while those in the same ZIP code pay 0.31%. This reflects how school district boundaries and local assessment districts are drawn across Cass County. Understanding where you live in Decatur can still matter when reviewing your annual tax bill.
Decatur 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 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 Decatur, Cass 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 Decatur'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 Ă· 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 Decatur Tax Rate
0.31%
Our median effective property tax rate (tax bill Ă· 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 Cass County Tax Rate
0.36%
Median Effective Michigan Tax Rate
1.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Decatur, Cass County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 49045 | 0.19% | 0.24% | 0.31% | 0.40% | 0.49% |
Source: Ownwell
Property Tax Assessment Values Across Decatur, Cass County, Michigan
When examining property taxes in Decatur, 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 Cass 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 Cass County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
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 Decatur.
For example, the median home price in Decatur is $226,800, with tax bills ranging significantly across the county. 49045 has the highest median home price at $226,800.
Property Tax Assessment Values Across Decatur, Cass County, Michigan
Source: Ownwell
$162,400
$240,950
$319,500
Median Decatur Market Value
$226,800
Median Cass County Market Value
$204,600
Median Michigan Market Value
$213,740
Median United States Market Value
$235,294
Property Tax Assessment Values Across Decatur, Cass County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 49045 | $47,980 | $129,800 | $226,800 | $334,900 | $460,660 |
Source: Ownwell
Property Tax Bills Across Decatur, Cass County, Michigan
Property tax bills in Decatur are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. That means the tax bill depends on both what the home is worth and the rates set by local taxing authorities in Cass County.
For a home with a median price of $226,800, the property tax bill can vary widely depending on the assessment and local levies. In Decatur, the median tax bill is $709.00, with the same amount shown for both the highest and lowest median tax bill by ZIP code 49045.
Homeowners feel this directly in their annual housing costs, since a higher assessed value or a higher tax rate can increase the bill. Compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400, Decatur’s median bill is much lower, which can make ownership more affordable for many residents.
Median Decatur Tax Bill
$709
Median Cass County Tax Bill
$774
Median Michigan Tax Bill
$2,084
Median United States Tax Bill
$2,400
Property Tax Bills Across Decatur, Cass County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 49045 | $152 | $405 | $709 | $1,068 | $1,457 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 9 |
Links | |
|---|---|
| Cass Tax Assessor | |
| Website | bsaonline.com |