2026 Property Tax Due Dates
Installment 1
September 14
Summer taxes
Installment 2
February 14
Winter taxes
Penalty: Varies by municipalityGrace period: None
Payment Methods
Online, Mail, In-Person
Mackinac County Treasurer
Phone
(906) 643-7318How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Mackinac County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Michigan
About Mackinac County
Mackinac County ( MAK-ə-naw, locally MAK-ə-nə) is a county in the Upper Peninsula of the U.S. state of Michigan. As of the 2020 census, the population was 10,834. The county seat is St. Ignace.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 336 hours before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.