Michigan Property Tax Appeal Guide
How to challenge your property tax assessment in Michigan - deadlines, process, and a savings calculator.
What This Data Tells Us About Appeals in Michigan
- Expect $25–$300 (Tax Tribunal) when petitioning the Michigan Tax Tribunal - later tribunal or court stages may use a different schedule.
- This ACS extract does not store how often Michigan assessments are reduced on appeal; comparable sales and property-record errors are the evidence the named board typically asks for.
- The typical window centers on May; confirm the current county notice date before relying on the statewide summary. Compare Alaska's May window before assuming Michigan is early or late.
Primary signal
The filing route can carry a fee
File with the Michigan Tax Tribunal. The reported filing-fee structure is $25–$300 (Tax Tribunal); later court or tribunal stages may use a different schedule.
Decision signal 2
Michigan's process has its own procedural details
Michigan assesses at 50% of true cash value. You MUST attend the March Board of Review to preserve Tribunal appeal rights.
Decision signal 3
This extract does not store an appeal-win rate
The ACS county medians on this site do not include how often Michigan assessments are reduced on appeal. Recent comparable sales and documented property-record errors are the evidence boards typically ask for.
Decision signal 4
The filing window centers on May
May 31 for residential; July 31 for commercial appeals to the Tax Tribunal. Deadlines can vary by county and assessment cycle, so confirm the current date with the local assessor before relying on this guide.
How to read this guide and disclaimer
Use the ranked signals above as a preparation order, not as a forecast. Start with the filing window and named appeal body because a strong valuation argument cannot cure a missed deadline or a filing sent to the wrong office. Then compare the assessment with recent, genuinely similar properties and document factual errors such as incorrect square footage, condition, or classification.
An estimated success rate is not part of this ACS extract. Keep copies of the assessment notice, evidence, forms, delivery confirmation, and every response from the taxing authority. If a state rule and a county instruction differ, follow the current instruction issued by the office that will hear the appeal.
This guide is for informational purposes only and is not legal or tax advice. Deadlines, filing fees, 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 calendars beside Michigan
Other state boards, not geography. Use them to see whether Michigan's May window is unusual; start with Alaska and Georgia.
| Peer state | Typical month | Filing fee |
|---|---|---|
| Alaska Also open Alaska appeal steps | May | $0 |
| Georgia Also open Georgia appeal steps | May | $0 |
| Kentucky Also open Kentucky appeal steps | May | $0 |
| New Mexico Also open New Mexico appeal steps | May | $0 |
| Wisconsin Also open Wisconsin appeal steps | May | $0 |
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
Estimate appeal savings
After you have Michigan's deadline (May) and filing route (Michigan Tax Tribunal), project annual savings if an assessment cut sticks. The shared estimator lives on one tools URL so each state page keeps its own process facts instead of reprinting the same form.
Open appeal savings estimator →