Staying informed about Adams County, IL property tax due dates is crucial for homeowners to avoid penalties and ensure timely payments.
The 2024 tax year (taxes payable in 2025) follows a structured collection calendar, with key deadlines and important events outlined below, based on the official Treasurer’s Calendar.
Key Dates for Adams County IL Property Taxes (2025 Calender)
Mailing and Bill Availability
- May 27, 2025 (Tentative): Real estate property tax bills mailed to property owners.
- June 10, 2025 (Tentative): If you have not received your real estate tax bill, contact the Collector at 217-277-2245.
Installment Due Dates
- June 27, 2025 (Tentative): Pay Adams County Illinois Property Tax First installment or full payment due.
- September 2, 2025: Second installment of property taxes is due.
Late Payment and Delinquency
- After September 30, 2025: Only cashier’s check, money order, cash, or credit/debit card may accepted for late tax payments. Personal, business, or e-checks may no longer accepted.
- October 1, 2025: A $10 mail and publication fee added to unpaid taxes. Certified notices of delinquent tax mailed.
- October 10, 2025: Last day to register for the tax sale. Delinquent Tax List published.
- October 17, 2025 (Tentative): Last day to pay by credit/debit card.
- October 23, 2025: Judgment Day for unpaid taxes.
- October 24, 2025: Final day to pay taxes before the tax sale.
- October 27, 2025: Annual tax sale held.
Mobile Home Taxes Due Dates
- March 17, 2025: Mobile home tax bills mailed.
- May 16, 2025: Mobile home use tax is due.
*Dates indicated as tentative may change.
Refernce: https://www.adamscountyil.gov/home/showdocument?id=11131
Important Reminders
- Adams county IL tax records and duplicate tax bills are available online at no charge at Adams county tax records portal.
- Always check your bill for the exact due dates and payment instructions.
- Contact the Treasurer’s Office at 217-277-2245 for questions or if you do not receive your bill by the expected date.
Adams County IL property tax due dates are strictly enforced, so mark your calendar and submit payments on time to avoid penalties and additional fees.