Illinois · Probate administration

Illinois Probate Creditor Deadlines and Small-Estate Rules

Illinois notice must state a claim date that is not less than six months from the first publication date or three months from the mailing or delivery date, whichever is later. Claims not filed by the stated notice date are barred under the Probate Act.

3 rules checked against governing sourcesSources checked through Jul 3, 2026Inspect the coverage gate

Answer first, sources attached

Three administration rules to check first

Creditor timing, notice procedure, and simplified-estate eligibility are state-specific. These source-linked rules are a starting point for the administration plan.

Claims deadline

Creditor claim period

Illinois notice must state a claim date that is not less than six months from the first publication date or three months from the mailing or delivery date, whichever is later. Claims not filed by the stated notice date are barred under the Probate Act.

755 ILCS 5/18-3; 755 ILCS 5/18-12.

Verified Jul 3, 2026 · Next review by Jul 3, 2027

Procedure threshold

Small-estate procedure

Illinois small estate affidavits may be used for personal property when no letters of office are outstanding and no petition for letters is contemplated or pending, and when the decedent's personal estate passing by intestacy or will is limited to tangible and intangible personal property not exceeding $150,000, excluding motor vehicles registered with the Secretary of State.

755 ILCS 5/25-1.

Verified Jul 3, 2026 · Next review by Jul 3, 2027

Publication and service

Notice to creditors

Illinois representatives must publish notice once a week for three successive weeks and mail or deliver notice to each known or reasonably ascertainable creditor whose claim has not already been allowed or disallowed. Published notice must run in a newspaper published in the county where the estate is administered, and proof of publication is filed with the court clerk.

755 ILCS 5/18-3.

Verified Jul 3, 2026 · Next review by Jul 3, 2027

What changes the answer

The statewide rule is the starting point

  • Date and type of appointmentLetters, qualification, and the form of administration can change the trigger.
  • Known versus unknown creditorsPublication and direct notice may create different duties and deadlines.
  • Property included in the thresholdExempt property, real estate, and nonprobate assets may be treated differently.
  • Local court procedureForms, publication practice, hearing calendars, and closing requirements can be county-specific.

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This page reports source-linked state rules and review dates. It does not calculate a deadline, determine eligibility, select a procedure, value a claim, or apply law to an individual situation. Verify the cited authority, local procedure, and current law before relying on a rule.