Illinois Security Deposit Laws 2026
Here's what Illinois law says about security deposit returns, deadlines, and penalties. All information is sourced from 765 ILCS 710/1, 765 ILCS 715/1.
Return Deadline
45 calendar days
from move-out date to return your deposit
Penalty for Violations
Up to 2x your deposit amount
Requires a finding of bad faith by the landlord.
If the landlord violates the deadline, they may forfeit ALL right to withhold any portion of your deposit.
Itemization Requirements
- Itemized statement required: Yes
- Itemization deadline: 30 days
- Receipts required: Yes
Interest Requirements
Interest on your deposit is required (rate varies).
Statute of Limitations
- Written lease: 5 years
- Oral lease: 5 years
Small Claims Court
Maximum claim: $10,000
Attorney fee shifting available — you may recover attorney fees if you win.
Primary Statute
Important Exceptions & Edge Cases
765 ILCS 715/1: Landlords of 25+ unit properties must pay interest on security deposits held 6+ months. Rate = minimum passbook savings rate of largest IL commercial bank as of Dec 31 of preceding year. Must pay within 30 days after each 12-month rental period.
Chicago RLTO § 5-12-080: Chicago has significantly stricter rules. Must hold in federally insured interest-bearing account. Must provide receipt with bank name/address. 2x penalty + attorney fees for violations. Separate ordinance from state law — ALWAYS check if property is in Chicago.
Think your landlord violated Illinois law?
Generate a demand letter that cites 765 ILCS 710/1, 765 ILCS 715/1 and puts your landlord on notice.
This is not legal advice. Reclaim provides legal information and document generation tools. The information on this page is sourced from 765 ILCS 710/1, 765 ILCS 715/1 and is current as of January 1, 2020. For specific legal questions, consult a licensed attorney in Illinois.