Under Illinois landlord-tenant law, failing to comply with statutory notice rules is the number one reason eviction petitions are dismissed. Learn how to protect your rights under 735 ILCS 5/9-209.
The landlord must accept full payment of outstanding rent if paid within the 5-day window. Do not bundle utility charges or fines unless defined as rent.
The NoticeGen rules engine automatically enforces the statutory guidelines detailed below when compiling notices for Illinois.
| Notice Type | Statute Section | Notice Period |
|---|---|---|
| Late Rent Notice | 735 ILCS 5/9-209 | 5 Calendar Days |
| Lease Violation | 735 ILCS 5/9-210 | 10 Calendar Days |
| Rent Increase | 735 ILCS 5/9-207 | 30 Calendar Days |
Notice compliance is not just about the words on the page — it is also about correct delivery. In Illinois, permissible service methods include:
The Chicago Residential Landlord and Tenant Ordinance (RLTO) applies to most apartments in Chicago. It regulates entry, lease terms, and extends notice periods for non-renewals (up to 120 days depending on residency length).
Yes. Illinois counts calendar days. However, if the final day falls on a Saturday, Sunday, or court-recognized holiday, the tenant has until the next business day to pay.
Yes, you must serve a written 10-day Notice to Quit under 735 ILCS 5/9-210. The notice must specify the clause breached, and courts require a right to cure.
Detailed, statute-mapped breakdowns for each notice type supported in Illinois.
Illinois 5-Day Notice to Pay Rent or Quit (735 ILCS 5/9-209)
5 Calendar Days • 735 ILCS 5/9-209
Illinois Lease Violation Notice — 10-Day Notice to Comply or Vacate (2026)
10 Calendar Days • 735 ILCS 5/9-210
Illinois Notice of Non-Renewal — 30-Day Notice (2026)
30 Days • 735 ILCS 5/9-207
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