Illinois Security Deposit Demand Letter Template
Verified: Feb 2026A professional demand letter template specifically designed for Illinois's security deposit laws, citing 765 ILCS 710 (Security Deposit Return Act) and referencing the 30-45 return deadline.
30-45
Deadline
765 ILCS 710 (Security Deposit Return Act)
Primary Statute
2x deposit amount for willful failure to comply
Potential Penalty
Key Elements of an Illinois Demand Letter
- 130-45 day return deadline
- 2Itemized statement with receipts required
- 3Interest required on deposits (25+ units, 6+ months)
- 4Willful violation penalty (2x + attorney fees)
- 5Chicago RLTO may apply separately
Sample Letter Excerpt
Pursuant to 765 ILCS 710/1 (Security Deposit Return Act), you were required to return my security deposit within 30-45 days of my vacating the premises, along with an itemized statement and paid receipts for any deductions.
As of today, [X] days have elapsed since I moved out on [DATE], and I have not received my deposit or the required itemization with receipts.
Under 765 ILCS 710/1, willful failure to comply entitles me to recover twice the amount of the deposit plus attorney's fees.
This is a sample excerpt. Your personalized letter will include your specific dates, amounts, deductions, and complete legal arguments.
What's Included in Your Demand Letter
Your name, address, and landlord details
Specific legal citations for Illinois
Itemized breakdown of contested deductions
Calculation of statutory penalties
Suggested response deadline (e.g., 14 days)
Court-ready PDF format