Grass Lake, Washtenaw County, Michigan Property Taxes

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Property Taxes in Grass Lake, Michigan

Median Grass Lake, Michigan effective property tax rate: 1.04%, slightly lower than the national median of 1.02%, and higher than the Michigan state median of 1.05%.
Median Grass Lake, Michigan home value: $359,400
Median annual Grass Lake, Michigan tax bill: $3,638, higher than the national median property tax bill of $2,400.

How are property taxes in Washtenaw calculated?

Property taxes in Grass Lake, 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 Grass Lake's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grass Lake, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Grass Lake, Washtenaw County, Michigan Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.04%

Estimate Property Tax Bill

$3,738

$3,469

How Does the Grass Lake Property Tax Calculator Work?

Use this Grass Lake property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Grass Lake's median effective tax rate of 1.04% — based on actual property records in Washtenaw County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Grass Lake'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 Grass Lake: rates range from $3,638 in 49240 to $3,638 in 49240, 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 Grass Lake.

About Grass Lake Property Taxes

About Property Taxes in Grass Lake, Washtenaw, Michigan

Grass Lake's median effective property tax rate of 1.04% is higher than the Michigan state median of 1.05% and higher 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 Grass Lake. Homeowners in the 49240 ZIP code carry a median effective rate of 1.04%, while those in 49240 pay 1.04%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Washtenaw County. Understanding which part of Grass Lake you live in can make a meaningful difference to your annual tax bill.

Grass Lake 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 Grass Lake, 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 Grass Lake'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 Grass Lake, Washtenaw County, Michigan

Source: Ownwell

0.56%

1.29%

2.01%

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 Grass Lake Tax Rate

1.04%

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 Grass Lake, Washtenaw County, Michigan

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
49240	0.72%	0.94%	1.04%	1.27%	1.50%

Source: Ownwell

Property Tax Assessment Values Across Grass Lake, Washtenaw County, Michigan

When examining property taxes in Grass Lake, 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 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 Washtenaw 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 Grass Lake.

For example, the median home price in Grass Lake is $359,400, with tax bills ranging significantly across the county. 49240 has the highest median home price at $359,400.

Property Tax Assessment Values Across Grass Lake, Washtenaw County, Michigan

Source: Ownwell

$192,400

$636,800

$1,081,200

Median Grass Lake Market Value

$359,400

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 Grass Lake, Washtenaw County, Michigan

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
49240	$157,000	$260,600	$359,400	$480,800	$599,880

Source: Ownwell

Property Tax Bills Across Grass Lake, Washtenaw County, Michigan

Property tax bills in Grass Lake are based on the assessed value of a home and the local tax rate set by taxing authorities in Washtenaw County. When a property’s market value changes, the assessed value can change too, which affects the final bill. Homeowners in Grass Lake should also expect their bill to reflect local school, county, and municipal levies, along with any exemptions or appeals that may apply.

With a median home price of $359,400, property taxes can be a significant part of homeownership costs. The median tax bill in the area is $3,638, which is above the national median property tax bill of $2,400 and higher than the national median property tax rate of 1.02%. Bills can vary widely, with the 25th percentile at $2,509 and the 75th percentile at $4,936, while the 90th percentile reaches $6,982. For homeowners, that means even similar homes can face very different tax bills depending on assessed value and local rates.

Property Tax Bills Across Grass Lake, Washtenaw County, Michigan

Source: Ownwell

$1,710

$8,921

$16,132

Median Grass Lake Tax Bill

$3,638

Median Washtenaw County Tax Bill

$5,801

Median Michigan Tax Bill

$2,084

Median United States Tax Bill

$2,400

Property Tax Bills Across Grass Lake, Washtenaw County, Michigan

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
49240	$1,402	$2,509	$3,638	$4,936	$6,982

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	March 9

Links
Washtenaw Tax Assessor
Website	secure4.ewashtenaw.org

Frequently Asked Property Tax Questions in Grass Lake, Michigan

How are property taxes calculated in Grass Lake, Michigan?

Property taxes in Grass Lake, Michigan are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Grass Lake, Michigan?

To appeal your property taxes in Grass Lake, Michigan, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Grass Lake, Michigan?

Common property tax exemptions in Grass Lake, Michigan include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Grass Lake, Michigan?

Property tax deadlines in Grass Lake, Michigan vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Grass Lake, Michigan?

Ownwell provides professional property tax appeal services in Grass Lake, Michigan. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.