Michigan homebuyer tax calculator
The seller's old tax bill is not the number to budget from. After a transfer, Michigan Taxable Value can reset higher, and the escrow part of your mortgage payment can rise when the new bill reaches your lender.
The calculator estimates your first full-year property tax bill as the buyer, using official local tax rates for the city, township, village, county, and school district. Run it before you close.
Michigan homebuyer tax calculator
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PRE and the Homestead credit are different. PRE changes the school-tax line on a qualifying main home. The income-based Homestead Property Tax Credit is claimed through Michigan's income-tax system and may also help some renters.
Where to look
These are sample layouts, not real documents. They show what to look for when you pull up the property record, your tax bill, or your closing paperwork.
Assessor record
The seller's current Taxable Value is the best number for estimating what they pay now.
On BS&A or an assessor site, Taxable Value is often close to SEV, but not always.
Tax bill
Look for whether the seller had the Principal Residence Exemption, also called PRE.
If the seller did not have PRE, their bill may use the higher non-homestead rate.
After closing
The pop-up usually hits the first calendar year after transfer, not always right away.
Your lender may adjust escrow after the new tax bill or escrow review.
Michigan property taxes are based on Taxable Value, not the seller's bill or simply the price you paid. While one owner keeps a home, Proposal A generally limits how fast that value can rise. After a transfer, the cap usually comes off and the buyer's Taxable Value can reset closer to State Equalized Value, or SEV. That reset is the "pop-up."
The timing is the part that catches people. The first mortgage payment can still reflect the seller's old tax bill. The higher amount may appear later, after the new bill reaches the lender and the escrow portion of the payment is recalculated. Use the calculator's monthly difference as a budget warning, not a promise about the lender's exact schedule.
Transfers and parcels can have exceptions. Confirm the parcel with your local assessor and read current Michigan Treasury change-of-ownership guidance before relying on the estimate.
Place pages
Washtenaw County
Primary home (PRE): 52.6657 mills to 52.6657 mills.
Wayne County
Primary home (PRE): 64.1844 mills to 64.1844 mills.
Kent County
Primary home (PRE): 33.1249 mills to 36.3132 mills.
Oakland County
Primary home (PRE): 37.961 mills to 42.7595 mills.
Oakland County
Primary home (PRE): 50.6993 mills to 58.1881 mills.
Oakland County
Primary home (PRE): 30.6309 mills to 42.2594 mills.
Buying or selling a Michigan home? We'll send you the deadlines you can't afford to miss.
Next steps
Once you have the estimate, these are the next pages buyers usually need.
Useful Porch Notes
These short notes explain the local layers that can make a real property-tax bill look different from a statewide estimate.
Money and taxes
Most Michigan property owners get separate summer and winter tax bills, with local rules deciding what lands on each bill.
Read this note →Money and taxes
Michigan township buyers should check for special assessments that can add separate road, sewer, water, lighting, sidewalk, or drain charges.
Read this note →Money and taxes
Michigan village residents usually pay village property taxes on top of township taxes, so the village boundary can change a buyer's total rate.
Read this note →Sources and review
The calculator uses official statewide millage reports, then turns the math into a planning estimate.
Use this carefully: Michigan Porch uses the statewide published rates as a planning aid. The local assessor or treasurer controls parcel-specific values, due dates, and special assessments.
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.
No. It is a strong estimate based on Michigan's published 2025 tax rates for your area. Your actual bill is based on your home's Taxable Value. After a sale, that resets to the State Equalized Value, or SEV — the assessor's value after county and state review. Use this to plan your budget, not to lock in an exact figure.
The first calendar year after you close. Close in June 2026, and the seller's tax bill usually comes through for 2026. Your new popped-up bill arrives in 2027.
PRE is Michigan's primary-home tax break. If you own the home and live there as your main home, it can remove up to 18 mills of local school operating tax from the bill. Rentals, vacation homes, and second homes do not get it. File Form 2368 with the local assessor. One filing by June 1 covers that year's summer and winter bills. Miss June 1, and filing by November 1 still covers the winter bill.
Mills are the tax rate. One mill means $1 of tax for every $1,000 of Taxable Value. A 40-mill rate means about $40 per $1,000 of Taxable Value. Different areas have different rates because county, city or township, school, library, public safety, parks, and other local taxes are stacked together.
It is the yearly number Michigan uses to cap Taxable Value increases while the same owner keeps the home. Think of it as the speed limit for Taxable Value. For the 2026 tax year, the multiplier is 1.027, or 2.7%. When a home sells, that cap usually resets.
A few, mostly family transfers. Parent to child, spouse to spouse, sibling to sibling, and some grandparent transfers may avoid the reset if the home is residential and is not used for any commercial purpose after the transfer. For family transfers, talk to a Michigan real estate attorney.
Most tax history pages show what the current owner paid. That is often based on a protected, lower taxable value. This calculator estimates what your taxable value becomes after Michigan's uncapping rule.
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