2026 Property Tax Due Dates
Installment 1
May 10
Spring installment
Installment 2
November 10
Fall installment
Penalty: 5% within 30 days, 10% afterGrace period: None
Payment Methods
Online, Mail, In-Person
Kosciusko County Treasurer
Phone
(574) 372-2370How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Kosciusko County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Indiana
About Kosciusko County
Kosciusko County ( KOZ-ee-OSS-koh) is a county in the U.S. state of Indiana. At the 2020 United States census, its population was 80,240. The county seat (and only incorporated city) is Warsaw.
Source: Wikipedia — content available under CC BY-SA 4.0
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.