Illinois Rent increase notice
How much notice does a landlord need to give to raise the rent in Illinois?
No rent increase during a fixed-term lease unless the lease allows it. For periodic tenancies, rent changes require ending the tenancy with written notice: 7 days for week-to-week and 30 days for other terms under a year. Illinois has no state rent control.
Verified Source: 735 ILCS 5/9-207 · last checked 2026-10-23
How this works in Illinois
The verified Illinois rule is: no rent increase during a fixed-term lease unless the lease allows it; for periodic tenancies, rent changes require ending the tenancy with written notice of 7 days for week-to-week and 30 days for other terms under a year; and Illinois has no state rent control. The 7-day and 30-day periods are in 735 ILCS 5/9-207. The fixed-term rule, and the statement that a rent change for a periodic tenancy is made by notice ending the tenancy, follow Illinois Attorney General guidance (guidance, not statute).
Worked example for Illinois
Example: For a month-to-month tenancy, a rent change is made by written notice ending the tenancy, according to Illinois Attorney General guidance (guidance, not statute). That notice is 30 days for a term under a year other than week-to-week, under 735 ILCS 5/9-207, so for a change on August 1, 2026 the notice is due by July 2, 2026. For week-to-week, the notice is 7 days, due by July 25, 2026. During a fixed-term lease, the verified rule, following that Attorney General guidance, is that rent does not increase unless the lease allows it. Illinois has no state rent control.
Illinois timelines and limits
| Fixed-term lease (Attorney General guidance, not statute) | No rent increase unless the lease allows it |
|---|---|
| Periodic tenancy, week-to-week | Written notice of 7 days, under 735 ILCS 5/9-207. A rent change is made by notice ending the tenancy, according to Attorney General guidance. |
| Periodic tenancy, other terms under a year | Written notice of 30 days, under 735 ILCS 5/9-207. A rent change is made by notice ending the tenancy, according to Attorney General guidance. |
| State rent control | Illinois has no state rent control |
Illinois FAQ
Can an Illinois landlord raise rent during a fixed-term lease?
The verified rule, following Illinois Attorney General guidance (guidance, not statute), is that there is no rent increase during a fixed-term lease unless the lease allows it.
How is rent changed on a periodic tenancy?
According to Illinois Attorney General guidance (guidance, not statute), rent changes require ending the tenancy with written notice. The periods in 735 ILCS 5/9-207 are 7 days for week-to-week and 30 days for other terms under a year.
Does Illinois have state rent control?
Illinois has no state rent control.
Sources for this section: 735 ILCS 5/9-207 (checked 2026-10-23)
Same topic in neighboring states
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