Michigan Rental Property Taxes: the Proposal A Pop-Up Investors Miss
Program and regulatory figures verified September 10, 2026. Details change; confirm your scenario with us.
Michigan property tax is the number that decides whether a rental pencils, and it behaves in a way that traps out-of-state investors: the bill you inherit is not the bill the seller paid. Understand the Proposal A pop-up before you write the offer, because it lands the year after you close.
The pop-up: why the seller's tax bill is a trap
This is the single most important thing an investor can know about Michigan property tax. Under Proposal A, passed in 1994, a property's Taxable Value can grow each year only by the lesser of 5% or the rate of inflation, for as long as the same owner holds it. Over a decade or two, a long-held rental's Taxable Value drifts far below what the property is actually worth, so the seller may be paying tax on a fraction of market value. The moment ownership transfers, that cap releases. The year after you buy, the Taxable Value uncaps and resets to the State Equalized Value, which by law approximates 50% of the property's market value. Your tax bill can jump sharply, and it does so after closing, not before, which is exactly why it surprises people. The underwriting rule that follows is simple: never use the seller's tax bill to underwrite a Michigan rental. We estimate post-sale taxes off market value and SEV. The state's own explanation of the change-of-ownership uncapping is worth reading (michigan.gov property tax).
The statewide picture
Michigan's effective property tax averages about 1.25% of market value per year, near the U.S. norm, but that average hides the reset above and the Detroit premium below. Every dollar of the post-sale bill lives inside the PITIA payment your DSCR ratio is measured against, so the tax line is not a footnote here, it is often the difference between a 1.0 and a miss. Michigan taxes rental income at its flat individual rate as well, and charges a real-estate transfer tax at sale, but those are your CPA's and your closer's departments; the property-tax bill is the one that moves your loan qualification.
The Detroit non-owner premium
Detroit is the sharpest example of the second trap: the Principal Residence Exemption. An owner-occupant in Michigan is exempt from roughly 18 school-operating mills; a rental is not. In Detroit that pushes the effective rate on a rental to about 2.8%, against the 1.86% an owner-occupant pays, and Wayne County as a whole runs roughly 1.31% to 1.63% depending on jurisdiction and property class. On the $110,000 Detroit worked example, the non-owner rate is about $257 a month inside PITIA. Model an owner's bill on a rental and you overstate the ratio; we always underwrite the non-owner number. The Detroit-specific detail is in the Detroit guide.
Appealing your assessment
Michigan gives every owner, investors included, a path to challenge an over-assessment, and the calendar is strict. You start at the local March Board of Review, which meets in March to hear assessment appeals for the current year; if that does not resolve it, the next step is the Michigan Tax Tribunal, with a filing deadline (commonly at the end of May for residential property) that you cannot miss. Bring your closing statement, an appraisal or broker price opinion, rent rolls, and comparable sales. A well-documented appeal on a property you just bought below the assessed value is among the stronger cases a board sees, and on a portfolio at Michigan rates a couple of successful challenges each cycle is real money that flows straight into your DSCR ratio by shrinking the tax inside PITIA. The portfolio angle is in scaling your portfolio.
No pressure, no obligation, and no salesy follow-up: a 20-minute call with our team, real numbers, and a straight answer on whether the deal pencils.
Frequently asked questions
What is the Michigan property tax pop-up?
It is the uncapping of Taxable Value on a sale. Under Proposal A, a property's Taxable Value grows only by the lesser of 5% or inflation while one owner holds it, so a long-held rental is taxed below market. The year after you buy, the Taxable Value uncaps to the State Equalized Value, about 50% of market value, and the bill jumps. Never underwrite off the seller's tax figure.
Why do Detroit rentals pay about 2.8% in property tax?
Because they lose the Principal Residence Exemption. An owner-occupant is exempt from roughly 18 school-operating mills; a rental is not, which lifts the effective tax to near 2.8% for an investor, versus about 1.86% for an owner. Wayne County overall runs about 1.31% to 1.63%. On a $110,000 rental the non-owner bill is roughly $257 a month inside PITIA.
How do I estimate property taxes on a Michigan rental before I buy?
Off market value and State Equalized Value, not the seller's current bill. Because Proposal A uncaps the Taxable Value to the SEV (about half of market) the year after a sale, and because a rental pays the non-owner rate, you model the post-sale, non-owner number. We run that estimate into the PITIA before you write the offer so the DSCR ratio reflects what you will actually pay.
Can I appeal my Michigan rental's assessed value?
Yes. Start at the local March Board of Review, which meets in March for current-year appeals, and if needed take it to the Michigan Tax Tribunal by its filing deadline. Closing statements, appraisals, rent rolls, and comparable sales are effective evidence, and a recent below-assessment purchase is a strong case that lowers the tax inside your PITIA.
Mike Certo · NMLS #260555 · Cornerstone First Mortgage NMLS #173855 · Equal Housing Lender. Educational content, not a loan commitment and not legal or tax advice. City short-term-rental rules and tax figures change; confirm current requirements with the city, your CPA, or a Michigan real estate attorney before you buy. Loans are subject to buyer and property qualification.