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Mercer County Property Tax Due Date

Ohio

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

Mercer County Treasurer

How to Pay

Online

Pay using credit card or e-check

By Mail

Mail check payable to Mercer County Treasurer

In Person

Visit the Treasurer's office

About Mercer County

Mercer County is located in the U.S. state of Ohio. As of the 2020 census, the population was 42,528. Its county seat is Celina.

Source: Wikipedia — content available under CC BY-SA 4.0

Get Deadline Reminders

We'll email you a fortnight 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.