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Marathon County Property Tax Due Date

Wisconsin

(715) 261-1150

2026 Property Tax Due Dates

Official Source
Installment 1

January 31

Full or first installment

Installment 2

July 31

Second installment

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Penalty: 1% monthly + 0.5% penalty monthlyGrace period: 5 business days

Payment Methods

Online, Mail, In-Person

Marathon County Treasurer

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Marathon County Treasurer

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In Person

Visit the Treasurer's office

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About Marathon County

Marathon County is a county located in the U.S. state of Wisconsin. As of the 2020 census, the population was 138,013. Its county seat is Wausau.

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

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.