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Illinois Late Fee Laws

no statutory percentage cap

Illinois has no statutory percentage cap on late fees (16 of 51 US jurisdictions cap them), but fees must still be reasonable — courts can strike down excessive charges. The FAQ below covers any other statutory limits that apply.

Educational information: generated from our Illinois law database (last updated 2024-01-01). Not legal advice.

How Illinois compares

16 of 51 US jurisdictions cap late fees by statute (as a percentage, dollar amount, or formula); the rest rely on reasonableness standards or set no limit. Here is how Illinois compares with other states in our database.

StateLate Fee Laws
Illinoisno statutory percentage cap
Indianano statutory percentage cap
Iowa$12/day or $60/month when rent is $700 or less; $20/day or $100/month for higher rents
Kansasno statutory percentage cap
Kentuckyno statutory percentage cap

Frequently asked questions

Is there a limit on late fees in Illinois?
Illinois sets no fixed percentage cap, but late fees must be reasonable and can be challenged if punitive. Must be reasonable. Chicago RLTO requires 5-day grace period and limits late fee to $10/month for first $500 of rent plus 5% of amount over $500.
Is there a grace period before late fees in Illinois?
Only in limited cases — Illinois's 5-day grace period applies only under Chicago's Residential Landlord and Tenant Ordinance — Illinois has no statewide statutory grace period (see the rent grace period guide for details).
Can I dispute an excessive late fee in Illinois?
Yes. Fees that are disproportionate to the landlord's actual costs can be challenged as unreasonable penalties.

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More Illinois lease law guides

Educational information generated from state statute data — not legal advice. Consult a licensed attorney in Illinois for your specific situation.