Chicago Security Deposit Law (2026): Deadlines, Interest & Penalties
Wondering when your Chicago security deposit is due back? The statute — Chicago Muni. Code 5-12-080/081/082 — sets the return window at 45 days from the end of your tenancy, and the landlord must pay interest of 0.01% per year on the deposit. If the money doesn't arrive on time, the exposure for the landlord is 2x deposit + interest + attorney fees (RLTO). The calculator above works out your deadline, interest, and penalty figures automatically.
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Chicago Deposit Rules at a Glance
| Return deadline | 45 days after move-out Itemized statement within 30 days; return within 45 days |
|---|---|
| Interest on deposit | 0.01% per year Deposits held 6+ months |
| Separate account required | Yes |
| Deposit limit | No limit |
| Penalty for violations | 2x deposit + interest + attorney fees (RLTO) Attorney fees / court costs may also be recoverable |
Owner-occupied buildings with 6 or fewer units exempt
Chicago Security Deposit FAQ
How long does a landlord have to return a security deposit in Chicago?
In Chicago, a landlord must return the security deposit within 45 days after the tenancy ends, under Chicago Muni. Code 5-12-080/081/082. Note: Itemized statement within 30 days; return within 45 days.
Does my landlord owe me interest on my security deposit in Chicago?
Under Chicago Muni. Code 5-12-080/081/082, a Chicago landlord must pay interest of 0.01% per year on the deposit. Rate details: Set annually (0.01% for 2024-2026).
What is the penalty if a landlord misses the deposit deadline in Chicago?
2x deposit + interest + attorney fees (RLTO). The tenant may also be able to recover attorney fees or court costs. The governing statute is Chicago Muni. Code 5-12-080/081/082.
Is there a limit on how much a landlord can charge as a security deposit in Chicago?
Yes. In Chicago, the security deposit is limited to No limit.
Does a Chicago landlord have to keep my deposit in a separate account?
Yes. Chicago law requires landlords to hold security deposits in a separate account, per Chicago Muni. Code 5-12-080/081/082.
Are there exceptions to the 45-day deposit deadline in Chicago?
Yes — the deadline can vary: Itemized statement within 30 days; return within 45 days. When in doubt, check the statute itself (Chicago Muni. Code 5-12-080/081/082) or ask a local tenant-rights organization.
When does the interest requirement apply in Chicago?
Interest applies under these conditions: Deposits held 6+ months. See Chicago Muni. Code 5-12-080/081/082 for the full rule.
What can I do if my landlord won't return my deposit in Chicago?
First, send a written demand letter citing Chicago Muni. Code 5-12-080/081/082 — our free generator creates one with your amounts filled in. If the landlord still doesn't pay, you can usually file in small claims court, where the penalty exposure is 2x deposit + interest + attorney fees (rlto).