When are property taxes due in Putnam County, Illinois?

Putnam County property taxes are due Varies (Cook Co.: March 1). A second installment is due Varies (Cook Co.: August 1). This deadline applies to all counties in Illinois.

What is the penalty for late property tax payment in Putnam County, Illinois?

The late payment penalty in Putnam County is 1.5% per month starting day after due.

How do I pay Putnam County, Illinois property taxes?

You can pay Putnam County property taxes via Online, mail, in-person.

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Putnam County Property Tax Due Date

Illinois

(815) 925-7226

2026 Property Tax Due Dates

Official Source

Installment 1

Varies (Cook Co.: March 1)

First installment (varies by county)

Installment 2

Varies (Cook Co.: August 1)

Second installment

Pay Taxes Online →

Penalty: 1.5% per month starting day after dueGrace period: None

Payment Methods

Online, Mail, In-Person

Putnam County Treasurer

Phone

(815) 925-7226

How to Pay

Online

Pay using credit card or e-check

Visit Website →

By Mail

Mail check payable to Putnam County Treasurer

Visit Website →

In Person

Visit the Treasurer's office

Visit Website →

Other Counties in Illinois

Adams Alexander Bond Boone Brown Bureau Calhoun Carroll

View all Illinois counties →

About Putnam County

Putnam County is the least extensive county in the U.S. state of Illinois. According to the 2020 United States census, it had a population of 5,637. The county seat is Hennepin.

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

Related Resources

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.