Illinois landlord law

A summary of the numbers that come up most often. For anything you plan to act on, verify against current statute or with counsel in Illinois.

Security deposit cap

No statewide limit (Chicago rules apply)

Notice to pay or quit

5 days

End month-to-month tenancy

30 days

Rent control

Preempted statewide

Source-of-income protection

Cook County and Chicago yes; state no

Notes

Chicago and Cook County have their own tenant ordinances.