Illinois: security deposit rules
The most a landlord can charge as a security deposit, and how long they have to return it after you move out.
Single detailed source| Maximum deposit | No state limit |
|---|---|
| Deadline to return it | 30 days for an itemized statement; 45 days to return |
Landlords may usually deduct only unpaid rent and damage beyond normal wear and tear. Many states let you recover two or three times the amount wrongly kept. Cities can set stricter rules.
General information only, not legal, insurance or financial advice. Not affiliated with any government agency. Exceptions can apply. Confirm with the state agency, the court or a licensed professional in Illinois.
Also for Illinois: Claim deadlines in Illinois · Small claims limits in Illinois · Property division in Illinois · Dog bite rules in Illinois · Shared fault rules in Illinois · Eviction notice rules in Illinois · Property tax rates in Illinois
How we checked this
Limits and deadlines come from a 50-state table checked against state statutes in October 2026, compared with a second statute-based table from March 2026. Last checked: November 12, 2026. Laws change; confirm with the state agency or a licensed professional before acting.
Cross-checked sources agree Checked on official source confirmed on a government, court or legislature site Single detailed source one detailed table built from statutes or official data Under review sources disagree; read the note and the law.