Williamston, Ingham County, Michigan Property Taxes
Property Taxes in Williamston, Michigan
Median Williamston, Michigan effective property tax rate: 1.31%, significantly higher than the national median of 1.02%, and higher than the Michigan state median of 1.05%.
Median Williamston, Michigan home value: $272,300
Median annual Williamston, Michigan tax bill: $2,825, higher than the national median property tax bill of $2,400.
How are property taxes in Ingham calculated?
Property taxes in Williamston, 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 Williamston's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Williamston, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Williamston, Ingham County, Michigan Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.31%
Estimate Property Tax Bill
$3,567
$3,310
How Does the Williamston Property Tax Calculator Work?
Use this Williamston property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Williamston's median effective tax rate of 1.31% — based on actual property records in Ingham 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 Williamston'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 Williamston: 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 Williamston.
About Williamston Property Taxes
About Property Taxes in Williamston, Ingham, Michigan
Williamston's median effective property tax rate of 1.31% is higher than the Michigan state median of 1.05% and higher than the national median of 1.02%. This rate reflects the Ingham 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 Williamston. Homeowners in the highest ZIP code carry a median effective rate of 1.31%, while those in the lowest ZIP code pay 1.31%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Ingham County. Understanding which part of Williamston you live in can make a meaningful difference to your annual tax bill.
Williamston 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 Williamston, Ingham 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 Williamston's effective property tax rate to other cities in Michigan and the median property tax rates in Michigan and the U.S.
Property Tax Rates Across Williamston, Ingham County, Michigan
Source: Ownwell
Infinity%
NaN%
-Infinity%
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 Williamston Tax Rate
1.31%
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 Ingham County Tax Rate
0.02%
Median Effective Michigan Tax Rate
1.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Williamston, Ingham County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48895 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Williamston, Ingham County, Michigan
When examining property taxes in Williamston, 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 Ingham 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 Ingham County, assessment notices are sent in February each year. They'll typically reach your mailbox by the middle of February.
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 Williamston.
For example, the median home price in Williamston is $272,300, with tax bills ranging significantly across the county. The median tax bill is $2,825, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400.
Property Tax Assessment Values Across Williamston, Ingham County, Michigan
Source: Ownwell
$∞
$NaN
-$∞
Median Williamston Market Value
$272,300
Median Ingham County Market Value
$168,400
Median Michigan Market Value
$213,740
Median United States Market Value
$235,294
Property Tax Assessment Values Across Williamston, Ingham County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48895 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Williamston, Ingham County, Michigan
How are property tax bills calculated in Williamston?
Property tax bills in Williamston are determined by multiplying a home’s assessed value by the local tax rate, which is then adjusted for any exemptions or special assessments. The assessed value is based on the market value of the property, so homes with higher values generally face larger tax bills. In Ingham County, the typical home price is $272,300, and property tax bills can vary widely depending on the property and the tax burden applied.
What factors affect the amount a homeowner pays? Location, property characteristics, and local taxing authorities all play a role in the final bill. For many homeowners, the amount owed can be far below or above the national median property tax bill of $2,400. In Williamston, the 25th percentile tax bill is $30, while the 75th percentile is $4,832 and the 90th percentile is $6,795.
These differences can have a major impact on monthly housing costs and long-term affordability.
Median Williamston Tax Bill
$2,825
Median Ingham County Tax Bill
$31
Median Michigan Tax Bill
$2,084
Median United States Tax Bill
$2,400
Property Tax Bills Across Williamston, Ingham County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48895 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 9 |
Links | |
|---|---|
| Ingham Tax Assessor | |
| Website | bsaonline.com |