2026 Property Tax Due Dates
Official SourceFull or first installment
January 31
Second installment
July 31
Late Penalty
1% monthly + 0.5% penalty monthly
Payment Methods
Online, mail, in-person
Rock Treasurer
How to Pay Rock Property Taxes
📬
By Mail
Send check to county treasurer
🏢
In Person
Visit treasurer's office
Other Counties in Wisconsin
Related Resources
Get Deadline Reminders
We'll email you 2 weeks before your property taxes are due.