It applies if they hold your deposit 6 months or more in buildings with 25+ units.
Depends on the number of units.
From Illinois Security Deposit Interest Act, read Oct 6, 2026.Show the law
“State law requires your landlord to pay you interest on your security deposit if it is held for at least
six months and there are at least 25 units in your building or complex …”
Get free legal helpThey can help you ask for it, or go to small claims court.Illinois Legal Aid Online
Every rule here, word for word (2)
This page covers state law only. Cities with their own rules have their own pages.
Illinois lawDepends on the building
Security deposit interest
Do I get interest on my deposit?
Yes, big landlords must pay you interest.
It applies if they hold your deposit 6 months or more in buildings with 25+ units.
Depends on the number of units.
Who it covers
Buildings with 25 or more units.
The law, word for word
“State law requires your landlord to pay you interest on your security deposit if it is held for at least
six months and there are at least 25 units in your building or complex …”