2026 Property Tax Due Dates
Installment 1
February
First half (varies by county)
Installment 2
July
Second half (varies by county)
Penalty: 5% first 10 days, 10% afterGrace period: None
Payment Methods
Online, Mail, In-Person
Seneca County Treasurer
Phone
(419) 447-1584How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Seneca County Treasurer
In Person
Visit the Treasurer's office
About Seneca County
Seneca County is a county located in the northwestern part of the U.S. state of Ohio. As of the 2020 census, the population was 55,069. Its county seat is Tiffin.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.