When property taxes are due in Kent County, MI — plus the official payment portal and what happens if you're late.
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…until 2026 taxes — county turnover — March 1, 2027
Instalment
Due date
Notes
2026 taxes — county turnover
March 1, 2027
Current bills are issued by the local city or township treasurer; unpaid 2026 taxes become delinquent and payable to the Kent County Treasurer on March 1, 2027.
On a $400,000 purchase in Kent County, MI, property tax comes to about $3,868 a year — roughly $322 a month — at this county's effective rate of 0.97%.
$
Effective rate 0.97% = this county's median owner-occupied tax bill ($2,889, ACS 2022 5-year estimate) divided by the typical home value at the time ($298,723, Zillow, 2022-12-31). Exemptions the seller holds — homestead, senior, veteran — usually do not transfer with the deed, so a new purchase can run above this figure. The county assessor sets the assessed value; this is an estimate, not a quote.
If you pay late
On turnover the county adds a 4% administration fee and 1% interest, then another 1% on the first day of each month.
Calendar tax year collected locally by cities and townships, with unpaid balances turned over to the county treasurer the following March 1. If a due date lands on a weekend or public holiday, most counties move it to the next business day — check the county's own notice before relying on the shift.
By post: mail a cheque to the treasurer's office; the postmark date usually counts, not the arrival date.
In person: the treasurer's office during business hours; bring your bill or parcel number.
Mortgage escrow: if your taxes are escrowed, the servicer pays — you still owe the difference if your escrow is short.
Common questions
When are property taxes due in Kent County, MI?
2026 taxes — county turnover: March 1, 2027.
What happens if I pay late in Kent County?
On turnover the county adds a 4% administration fee and 1% interest, then another 1% on the first day of each month.
How do I pay Kent County property tax?
Pay online through payments.mykentcounty.com, the county's own payment portal, or by post or in person at the treasurer's office.
Is the Kent County deadline the same every year?
Calendar tax year collected locally by cities and townships, with unpaid balances turned over to the county treasurer the following March 1. Counties shift dates when billing is delayed, so confirm against the county source linked on this page.
How much is property tax on a $400,000 house in Kent County, MI?
About $3,868 a year, or $322 a month, at this county's effective rate of 0.97%. That rate is the county's median owner-occupied tax bill ($2,889) divided by the typical home value ($298,723). A seller's homestead or senior exemption usually does not transfer, so a new purchase can cost more.
What if I can't pay in full?
Most counties offer instalment plans or partial payment — ask the treasurer before the due date, not after. Once the bill is delinquent the options shrink and the fees start.
Does a late payment affect my mortgage?
Unpaid property tax is a lien on the property in most states, which your servicer may pay and then bill you for, with fees. It does not disappear.
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CountyTaxDates is an independent reference and is not a government agency. Deadlines change and exceptions apply — always confirm with your county treasurer using the official link on this page. Nothing here is tax, legal or financial advice.