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
St. Clair County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to St. Clair County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Michigan
About St. Clair County
St. Clair County is a county located in the U.S. state of Michigan and bordering the west bank of the St. Clair River. As of the 2020 census, the population was 160,383. It is the 13th-most populous county in the state.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 14 days 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.