Michigan Property Tax Calculator
Estimate your Michigan property taxes. Michigan assesses at 50% of true cash value; enter your actual taxable value and mill rate from your tax bill for the most accurate estimate.
The Formula
Annual Tax = Taxable Assessed Value × (Mill Rate ÷ 1,000)
Assessed Value = Market Value × Assessment Ratio (state-specific — see note below)
Mill Rate: 1 mill = $1 per $1,000 of assessed value. Enter your actual rate from your county tax bill.
Michigan Property Tax Inputs
Assessment ratio note: Michigan law requires assessment at 50% of true cash value (State Equalized Value). Your taxable value may be lower due to the Proposal A cap. Source: Michigan State Tax Commission, michigan.gov/taxes/property (as of June 2026).
Pre-filled with Michigan's common ratio. Verify on your tax bill.
Enter your actual combined mill rate. The pre-filled value is illustrative only.
Dollar reduction from assessed value. Check with your county assessor.
Michigan Property Tax — Key Facts
- Assessment basis: 50% of true cash value (State Equalized Value / SEV). Source: michigan.gov/taxes/property, as of June 2026.
- Taxable value cap (Proposal A): Your taxable value increases by no more than 5% or inflation per year until a transfer of ownership, which "uncaps" the value to SEV.
- Principal Residence Exemption (PRE): Exempts your primary residence from up to 18 mills of school operating tax. File with your local assessor.
- Homestead Property Tax Credit: Low-to-moderate income homeowners may qualify for a Michigan income tax credit based on property taxes paid.
- Mill rate database: Use the official Michigan Property Tax Estimator to look up actual mill rates by township.
Source: Michigan Department of Treasury — michigan.gov/taxes/property (verified June 2026).
Frequently Asked Questions
Michigan law requires property to be assessed at 50% of its true cash value (market value). This is the State Equalized Value (SEV). Your taxable value may be lower than SEV due to the Proposal A cap — taxable value can only increase by the lesser of 5% or the rate of inflation per year until ownership transfers.
Your total mill rate appears on your summer and winter property tax bills from your township or city. You can also use the Michigan Department of Treasury's Millage Rate Database at michigan.gov/taxes/property/estimator.
The PRE exempts your primary residence from the 18-mill school operating tax. You must file a Principal Residence Exemption affidavit with your local assessor. Source: Michigan Department of Treasury, michigan.gov/taxes/property.
Michigan property taxes are billed in two cycles: summer taxes are typically due September 14, and winter taxes are due February 14. Your local treasurer may have different deadlines — check your tax bill.