When are property taxes due in Massac County, Illinois?

Massac 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 Massac County, Illinois?

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

How do I pay Massac County, Illinois property taxes?

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

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Massac County Property Tax Due Date

Illinois

(618) 524-5121

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

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

Payment Methods

Online, Mail, In-Person

Massac County Treasurer

Phone

(618) 524-5121

How to Pay

Online

Pay using credit card or e-check

Visit Website →

By Mail

Mail check payable to Massac 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 Massac County

Massac County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 14,169. Established in 1843 and named for a French fort founded in the 18th century, its county seat is Metropolis.

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.