April 2026 property tax dates
1 announced dates and 0 statutory dates in the verified sample.
Last updated October 24, 2026, US Central build date. A listed due date is not necessarily the last penalty-free payment date. Read the exact source wording. These are county and payment-plan records, not a complete national schedule.
Announced dates
Cook County, IL
First installment
Due (past date). announced.
Official due-date source. Verified October 24, 2026.
Due-date source wording
Tax Year 2025 First Installment Property Tax Due Date: Wednesday, April 1, 2026
Last penalty-free payment date: unverified here. Confirm with the county.
Statutory dates
No statutory dates recorded for this month. Find the official county page.
Methodology and coverage limits | Download all report dates
Not tax or legal advice; confirm with your county.