Cari Meeker, Treasurer and Collector
125 N Plum
Havana IL 62644
Phone: 309-543-3359, option 3
Dates for 2024 payable in 2025 taxes
Bills mailed on: May 14, 2025
First Installment Due & Mobile Home Tax Due: July 3, 2025
Second Installment Due: September 3, 2025
Online/phone payment options available through September 19, 2025
Last Day to pay by check (cash, money order, cashier check only): September 19, 2025
Last Day to make payments in Treasurer’s office: (date not set yet)
Tax Sale: (date not set yet)
Online payments:
Payment for 2024 payable in 2025 real estate taxes by credit card, debit card or echeck can be made using the “PAY TAXES ONLINE” link above. A convenience fee is charged by the processing company. Online payments can be made through September 19, 2025.
Please do not use the pay taxes online link for researching taxes and payments. There is a tax parcel search link on the homepage and below if researching a parcel.
Please call 877-637-0696. A Convenience fee is charged by the processing company. Phone payments can be made through September 19, 2025.
Mail payments:
Payments must be postmarked no later than the due dates to avoid penalty. Mail checks payable to: Mason County Collector
125 N. Plum St.
Havana IL 62644
You must include a self-addressed, stamped envelope for us to send a paper receipt otherwise we do not mail back a receipt. Your cancelled check will be your receipt.
Drop box payments:
A secure, locked payment drop box is located on the exterior wall of the courthouse to the left of the entrance. Please put payment in an envelope with “Treasurer” written on the envelope. Payments must be made by tax due date to avoid penalty.
Please do not put cash in the box.
In-Person payments:
Payment for taxes can be made in the Treasurer’s office located in the courthouse. Hours are Monday through Friday 8-4 (except holidays). If paying in-person, taxes must be received by the office no later than the due dates to avoid a penalty.
The Treasurer’s office does not currently accept credit card or debit cards in the office. Please go online or by phone to pay by credit card, debit card or echeck.
Email Reminder
Email reminders can be provided by the Mason County Treasurer’s office to property owners before each installment due date.
To Sign up for Reminders you need to:
1. Send an Email to treasurer@masoncountyil.gov
2. Type “Email Reminder” in the subject line
3. Type your parcel number, owner name, and the email address you would like the reminder sent to.
If you have any questions, please contact the Treasurer’s office at 309-543-3359 Ext 3 or email at treasurer@masoncountyil.gov