Illinois · Late fees

Illinois late fee law

Illinois law sets no dollar or percentage cap on late fees and no required grace period, so your lease sets the terms.

The rule

Grace period
None required
Cap
No set cap
Grace period
No statutory grace period.
Limits on the fee
No statewide late-fee cap; non-optional fees must appear on the first page of the lease or the tenant is not liable for them (765 ILCS 705/35). Some cities regulate late fees locally.

Law: 765 ILCS 705/35

Last reviewed September 30, 2026

Not legal advice. Statutes change; check the linked section.