South Lyon, Washtenaw County, Michigan Property Taxes
Property Taxes in South Lyon, Michigan
Median South Lyon, Michigan effective property tax rate: 0.99%, significantly lower than the national median of 1.02%, and lower than the Michigan state median of 1.05%.
Median South Lyon, Michigan home value: $490,300
Median annual South Lyon, Michigan tax bill: $5,157, $2,757 higher than the national median property tax bill of $2,400.
How are property taxes in Washtenaw calculated?
Property taxes in South Lyon, 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 South Lyon's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in South Lyon, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
South Lyon, Washtenaw County, Michigan Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.99%
Estimate Property Tax Bill
$4,854
$4,504
How Does the South Lyon Property Tax Calculator Work?
Use this South Lyon property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies South Lyon's median effective tax rate of 0.99% — based on actual property records in Washtenaw 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 South Lyon'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 South Lyon: rates range from 0.99% in 48178 to 0.99% in 48178, 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 South Lyon.
About South Lyon Property Taxes
About Property Taxes in South Lyon, Washtenaw, Michigan
South Lyon’s median effective property tax rate of 0.99% is lower than the Michigan state median of 1.05% and lower than the national median of 1.02%. This rate reflects the Washtenaw 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 South Lyon. Homeowners in the 48178 ZIP code carry a median effective rate of 0.99%, while those in the same ZIP also pay 0.99%. This reflects how school district boundaries and local assessment districts are drawn across Washtenaw County. Understanding where you live in South Lyon can still shape your annual tax bill, especially with a median home price of $490,300 and a median tax bill of $5,157.
South Lyon homeowners who believe their assessed value is too high can file a formal appeal with the 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 South Lyon, Washtenaw 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 South Lyon'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 South Lyon Tax Rate
0.99%
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 Washtenaw County Tax Rate
1.44%
Median Effective Michigan Tax Rate
1.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across South Lyon, Washtenaw County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48178 | 0.67% | 0.78% | 0.99% | 1.29% | 1.48% |
Source: Ownwell
Property Tax Assessment Values Across South Lyon, Washtenaw County, Michigan
When examining property taxes in South Lyon, 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 Washtenaw County assessment 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.
Assessment notices:
In Washtenaw County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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 South Lyon.
For example, the median home price in South Lyon is $490,300, with tax bills ranging significantly across the county. 48178 has the highest median home price at $490,300.
Property Tax Assessment Values Across South Lyon, Washtenaw County, Michigan
Source: Ownwell
$192,400
$636,800
$1,081,200
Median South Lyon Market Value
$490,300
Median Washtenaw County Market Value
$374,000
Median Michigan Market Value
$213,740
Median United States Market Value
$235,294
Property Tax Assessment Values Across South Lyon, Washtenaw County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48178 | $285,140 | $371,450 | $490,300 | $674,925 | $886,640 |
Source: Ownwell
Property Tax Bills Across South Lyon, Washtenaw County, Michigan
Property tax bills in South Lyon are based on the assessed value of a home, which is then multiplied by the local tax rate. For a median home price of $490,300, the resulting tax bill can vary widely depending on the property’s assessed value and the taxing jurisdictions that apply.
Homeowners in South Lyon typically see bills that reflect local services such as schools, roads, and public safety. The 25th percentile tax bill is $3,541, while the 75th percentile tax bill is $6,892. At the higher end, the 90th percentile tax bill reaches $9,316, showing how much bills can rise for more valuable homes or properties with higher assessments.
In Washtenaw County, the median tax bill in ZIP code 48178 is $5,157, which is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. For homeowners, that means property taxes can be a major part of annual housing costs.
Median South Lyon Tax Bill
$5,157
Median Washtenaw County Tax Bill
$5,801
Median Michigan Tax Bill
$2,084
Median United States Tax Bill
$2,400
Property Tax Bills Across South Lyon, Washtenaw County, Michigan
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 48178 | $2,543 | $3,541 | $5,157 | $6,892 | $9,316 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 9 |
Links | |
|---|---|
| Washtenaw Tax Assessor | |
| Website | secure4.ewashtenaw.org |