The property-tax reset

Why a Michigan buyer's property tax can jump after a sale

A listing usually shows the seller's current tax bill. That bill may use a Taxable Value protected by years of ownership. After a transfer that causes uncapping, the buyer's Taxable Value is generally reset to the new SEV in the following calendar year. The higher bill may reach the mortgage payment later through escrow.

Before you offer: estimate the buyer's first full-year bill. Do not use the seller's tax history as your future budget.

What is uncapping?

Proposal A generally limits annual growth in Taxable Value while the same owner keeps a property. The cap is the lower of 5% or the state's inflation-rate multiplier, after additions and losses. For the 2026 tax year, the official multiplier is 1.027, or 2.7%.

When ownership transfers, the cap usually comes off. For the calendar year after the transfer, Taxable Value is generally set to the property's State Equalized Value, or SEV. The assessor sets SEV from the local market; it is not automatically half of the sale price. Some transfers are exempt from uncapping.

Why the seller's bill can be much lower

Suppose the seller is taxed on a $110,000 Taxable Value after many years in the home. If the buyer's new SEV is $200,000 and the total rate is 40 mills, that value difference alone is about $3,600 a year. The real SEV and millage for the parcel may be different, which is why a calculator result is a planning range rather than a promised bill.

When the payment changes

If a transfer happens in 2026 and causes uncapping, the reset generally applies for the 2027 tax year. The lender may not adjust escrow until it receives a higher bill or performs an escrow review, so the monthly payment change can feel delayed.

What to confirm with the assessor

Whether the transfer will uncap Taxable Value or fits a statutory exception.
The parcel's current Taxable Value, SEV, classification, and school district.
Whether PRE is recorded or must be claimed for the buyer's principal residence.

Sources and review

Where this information comes from

Uncapping rules and the annual inflation multiplier come from Michigan Treasury and State Tax Commission guidance.

Data used: 2026 State Tax Commission inflation multiplier and Treasury change-of-ownership guidance
Last reviewed: July 12, 2026

Michigan Treasury change-of-ownership guidance for Proposal A, uncapping, and ownership-transfer rules.
State Tax Commission inflation rate multipliers for official annual taxable-value cap multipliers.
State of Michigan property tax estimator for official parcel-oriented property tax estimate.

Use this carefully: Some transfers are exempt or treated differently. Ask the local assessor if the transfer is unusual.

Rules, rates, forms, office practices, and local facts can change. When the answer matters, confirm it with the current official source, the responsible office, or a qualified Michigan professional before acting.

Next steps

Put a number on the reset

Use the parcel's place, purchase price, and current Taxable Value when you have it.