How to Appeal Your Property Tax in Michigan
Michigan homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
2026 Appeal Deadline: March board of review meeting
Don't miss your window. Missing the deadline means waiting another full year.
How Michigan Assesses Property
Michigan assesses residential property at 50% of market value. This means if your home is worth $201,000, your assessed value would be $100,500.
Michigan assesses property at 50% of true cash (market) value. The taxable value is further capped by Proposal A (CPI increases).

The Appeal Process
Appeals are heard by the Board of Review / Michigan Tax Tribunal. An informal review is available before filing a formal appeal.
Assessor (Informal)
Board of Review
Michigan Tax Tribunal
Court of Appeals
Michigan Appeal Deadline
What Overassessment Costs Michigan Homeowners
The median home in Michigan is worth $201,000. If your assessment is just 10% too high, you may be overpaying:
~$277/year
Effective tax rate: 1.38% · Median value: $201,000
Check Your Michigan Assessment
Enter your address to see your estimated overassessment and Michigan filing deadline.
Michigan Counties
Kent County
Median: $248,400 · Rate: 0.89%
Deadline: Keep in mind that property tax appeals are generally only accepted in a 1-3 month window each year.
→ View Guide
Macomb County
Median: $157,000 · Rate: 1.74%
Deadline: March Board of Review meetings (second week of March)
→ View Guide
Oakland County
Median: $308,600 · Rate: 1.37%
Deadline: May 31, 2026 for commercial/industrial properties appealing directly to Michigan Tax Tribunal
→ View Guide
Wayne County
Median: $121,100 · Rate: 2.07%
Deadline: Multiple deadlines depending on property type
→ View Guide
Key Terms for Michigan Homeowners
The percentage of a property's market value that a state uses to calculate the assessed value for property tax purposes.
The tax rate used to calculate property taxes, expressed as dollars per $1,000 of assessed value. One mill equals $1 per $1,000.
Guides & Resources
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.