Illinois Rent Increase Law
Illinois has no statute on rent-increase notice; because a month-to-month tenancy takes 30 days' written notice to end, give at least 30 days' written notice before raising rent (and 7 days for week-to-week) (735 ILCS 5/9-207). Illinois has no rent control and bars cities and counties from adopting it.
Last verified: · Researched and cited by MakeLease · not yet attorney-reviewed
Illinois rent increase rules at a glance
| Notice of a rent increase | No state rule735 ILCS 5/9-207 (termination notice; no rent-increase provision) |
|---|---|
| Rent control | None; cities barred from adopting it50 ILCS 825/5, 50 ILCS 825/10 |
| Ending a month-to-month tenancy | 30 days (either side)735 ILCS 5/9-207, 735 ILCS 5/9-205 |
What Illinois law says
How much notice is required for a rent increase in Illinois?
Illinois has no statute on rent-increase notice; because a month-to-month tenancy takes 30 days' written notice to end, give at least 30 days' written notice before raising rent (and 7 days for week-to-week) (735 ILCS 5/9-207) (735 ILCS 5/9-207 (termination notice; no rent-increase provision)).
Does Illinois have rent control?
Illinois has no rent control, and state law prohibits cities and counties, including home-rule units, from enacting or enforcing rent control (50 ILCS 825/5, 825/10).
How much notice ends a month-to-month tenancy in Illinois?
A landlord may end a month-to-month (or any under-one-year periodic) tenancy with 30 days' written notice, and a week-to-week tenancy with 7 days' notice (735 ILCS 5/9-207).
How Illinois compares
23 of 51 verified jurisdictions set a statewide period.
Kentucky, Missouri and Wisconsin follow the same rule as Illinois; 2 of its 5 neighbors differ.
Local rules in Illinois
Chicago's Residential Landlord and Tenant Ordinance (Mun. Code ch. 5-12) adds deposit interest and receipt rules, a 45-day return deadline, a late-fee cap ($10/month on the first $500 of rent plus 5% of the excess), 2 days' notice before entry, and (via the Fair Notice ordinance) 30/60/120-day notice for non-renewal or rent increases based on length of tenancy. Suburban Cook County's Residential Tenant Landlord Ordinance (eff. 2021) caps deposits at 1.5 months' rent, requires return within 30 days and caps late fees at $10/month on the first $1,000 plus 5% of the excess. Evanston (21-day deposit return), Oak Park and Mount Prospect have their own ordinances. These local figures come from secondary summaries and were not verified against ordinance text.