In Illinois, a HOA delinquency notice may be delivered by hand delivery, certified mail with electronic return receipt; certified mail is permitted. The notice period is 30 days.
Last reviewed September 21, 2026 · Business research, not legal advice.
Requirement
Illinois HOA delinquency notice
Delivery method
Hand delivery, certified mail with electronic return receipt — Cortul also sends a First-Class copy.
Notice period
30 days (counted as the statute directs)
Deemed received
When it is mailed
Notice must include
Only where Article IX applies to the community (735 ILCS 5/9-102(a)(8), (c)): the amount claimed, with when each amount was due, and at least 30 days to pay (9-104.1(a))
Prominently: only FULL PAYMENT of all amounts demanded invalidates the demand, unless the association agrees in writing to withdraw it for partial payment (9-104.1(b))
Served personally, or by certified or registered mail, return receipt requested; effective when mailed (9-104.1(c))