When are property taxes due in Kendall County, Illinois?

Kendall 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 Kendall County, Illinois?

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

How do I pay Kendall County, Illinois property taxes?

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

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Kendall County Property Tax Due Date

Illinois

(630) 553-4124

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

Kendall County Treasurer

Phone

(630) 553-4124

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Kendall County Treasurer

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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 Kendall County

Kendall County is a county in the U.S. state of Illinois, within the Chicago metropolitan area. According to the 2020 census, it has a population of 131,869. Its county seat is Yorkville, and its most populous municipality is Oswego.

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

Related Resources

CountyRollCounty Office Directory

Find the assessor, treasurer & recorder for Kendall

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Property Tax FAQ Tax Calendar

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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.