What is the property tax appeal deadline in Michigan?

May 31 for residential; July 31 for commercial appeals to the Tax Tribunal. Typical deadline month: May. Always verify the current deadline with your local assessor as dates can change.

What is the success rate for property tax appeals in Michigan?

An estimated 51% of property tax appeals in Michigan result in a reduction. This is based on Lincoln Institute research and state-reported data. Success rates are highest when appeals are supported by recent comparable sales.

2026 data Free guide Michigan

Michigan Property Tax Appeal Guide

Q: How do I appeal my property tax in Michigan?

In Michigan, file your appeal with the Michigan Tax Tribunal. The typical deadline is May 31 for residential; July 31 for commercial appeals to the Tax Tribunal. The filing fee is $25–$300 (Tax Tribunal). Start by contacting your assessor informally, then follow the formal process if unresolved.

How to challenge your property tax assessment in Michigan — deadlines, process, and a savings calculator.

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Compiled byPlainpropertytax Editorial, Property Tax Editorial Team

May

Typical Deadline

$25–$300 (Tax Tribunal)

Filing Fee

~51%

Est. Success Rate

Michigan Tax Tribunal

Appeal Body

What This Data Tells Us About Appeals in Michigan

In Michigan, property tax appeals are filed with the Michigan Tax Tribunal. The typical window is May 31 for residential; July 31 for commercial appeals to the Tax Tribunal, with the deadline most commonly falling in May. Filing fees reported for this state are $25–$300 (Tax Tribunal), and Lincoln Institute research plus state-reported data suggest roughly 51% of appeals result in some reduction when supported by comparable sales or documented errors.

Michigan assesses at 50% of true cash value. You MUST attend the March Board of Review to preserve Tribunal appeal rights. Appeals are driven by the gap between a parcel's assessed value and its actual market value — the calculator below turns that gap into an annualized dollar figure at your effective tax rate. The strongest evidence is three to five arms-length comparable sales from the past six to twelve months, plus documentation of any factual errors in the assessor's record (square footage, bedroom count, finished-basement status).

This guide is for informational purposes only and is not legal or tax advice. Deadlines, filing fees, success rates, and procedures vary by county within Michigan and can change year to year. Always verify the current rules with your local assessor's office — or a licensed attorney or tax professional — before filing. Source: Michigan Department of Treasury.

Appeal Deadline

May 31 for residential; July 31 for commercial appeals to the Tax Tribunal

Appeal Body: Michigan Tax Tribunal

Step-by-Step Appeal Process

1
Review your Notice of Assessment from the local assessor in February
2
Attend the March Board of Review (you must appear here before appealing to the Tribunal)
3
File a petition with the Michigan Tax Tribunal by May 31 (residential) or July 31 (commercial)
4
The Tribunal may schedule a hearing or resolve on submitted evidence
5
Appeals from the Tribunal go to the Court of Appeals

Michigan-Specific Notes

Michigan assesses at 50% of true cash value. You MUST attend the March Board of Review to preserve Tribunal appeal rights.

Source: Michigan Department of Treasury

Assessment Savings Calculator

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Effective Tax Rate (%)

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Frequently Asked Questions

How do I appeal my property tax in Michigan?

File with the Michigan Tax Tribunal. May 31 for residential; July 31 for commercial appeals to the Tax Tribunal. Start by requesting an informal review with your assessor, then follow the formal process outlined above if the issue is not resolved.

What is the Michigan property tax appeal deadline?

May 31 for residential; July 31 for commercial appeals to the Tax Tribunal. The typical deadline month is May. Always confirm the exact date with your local assessor's office, as deadlines can change year to year.

Do I need an attorney to appeal property taxes in Michigan?

No. Most homeowners successfully appeal without legal representation, especially at the initial administrative level. The process is designed to be accessible to ordinary homeowners.

What evidence is most effective for property tax appeals in Michigan?

Recent sales of comparable homes (3–5 "comps" from the last 6–12 months) that sold for less than your assessed value are the strongest evidence. An independent appraisal ($400–$800) is the gold standard. Property data errors (wrong square footage, extra rooms) are also persuasive.

Disclaimer: This guide is for informational purposes only and does not constitute legal or tax advice. Appeal deadlines, procedures, filing fees, and success rates vary by county within Michigan and change over time. Always verify current rules with your local assessor's office or a licensed attorney before filing. Success rates are estimates based on Lincoln Institute of Land Policy research and state-reported data — individual results vary.

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