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Plain-English guides on security deposit law, demand letters, and what to do when landlords don't play by the rules.

Sample Security Deposit Demand Letter for Illinois (2026)

A real example of an Illinois security deposit demand letter — with the 30-day itemization and 45-day return deadlines under 765 ILCS 710, the double-damages penalty that doesn't require proving bad faith when the landlord stays silent, and the forwarding-address rule that can quietly kill your penalty claim.

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