Process Server Laws in Illinois

Personal Service of Process in Illinois

Rule 102

735 ILCS 5/2-203(a)(1) (personal delivery) and Supreme Court Rule 102; full service on individuals at 735 ILCS 5/2-203

How do I serve papers in Illinois?

In Illinois, process may be served by a sheriff or a licensed private detective, or by any person who is at least 18 years old and appointed by the court (735 ILCS 5/2-202). Personal service is made by leaving a copy with the defendant personally. Illinois also allows service by certified or registered mail in certain cases.

Process Server Registration/Licensing in Illinois

735 ILCS 5/2-202

No dedicated process server licensing; must be sheriff, coroner, licensed private detective (225 ILCS 447/ Private Detective Act, IL Dept. of Financial & Professional Regulation), their registered employee, or court-appointed person >18 not party (735 ILCS 5/2-202). Cook Co. $5 fee for detectives

Who May Serve Process in Illinois

735 ILCS 5/2-202

735 ILCS 5/2-202: Sheriff (civilians in small counties), coroner, licensed/registered private detective or agency employee (no appt needed except Cook fee), court-appointed private person over 18 not party to action

Proof of Service / Affidavit Requirements in Illinois

Rule 12(b)(2)

Private persons file affidavit return (735 ILCS 5/2-202); sheriff endorses return. Proof via affidavit certificate under 735 ILCS 5/1-109 (unnotarized, penalty of perjury language) per Supreme Court Rule 12(b)(2). Must file proof per Rule 102(d)

Does Illinois require a notarized affidavit or penalty of perjury declaration?

Illinois accepts declarations under 735 ILCS 5/1-109.

Illinois accepts declarations under penalty of perjury per 735 ILCS 5/1-109. The declaration must include the statement that it is made under penalties as provided by law. A notarized affidavit is also accepted but not required. The Mighty Affidavit Generator automatically applies the correct signing method for Illinois.

What proof of service form do I need in Illinois?

Illinois has no mandatory form; 735 ILCS 5/1-109 accepts declarations. Summons forms have integrated proof sections.

Illinois does not have a mandatory statewide proof of service form. 735 ILCS 5/2-202 governs service requirements. Standardized summons forms include an integrated "Proof of Service of Summons" section. Eviction cases use E-AD 3513.2 (Affidavit of Service of Demand/Notice). Generic declarations are accepted under 735 ILCS 5/1-109. The Mighty Affidavit Generator automatically selects the correct proof of service template for Illinois and fills it with your job data — no manual form selection needed.

Criminal Protections for Process Servers in Illinois

720 ILCS 5/31-3

Yes, misdemeanor: 720 ILCS 5/31-3 - Knowingly resisting or obstructing authorized service of civil or criminal process is a Class B misdemeanor. Additional felony enhancements for aggravated assault/battery on known process servers per Public Act 097-0313

Property Access Rights for Process Servers in Illinois

735 ILCS 5/2-203

735 ILCS 5/2-203(a): Employees of gated residential communities, condos, co-ops must grant process servers access to common areas/elements for residents

Service by Publication in Illinois

735 ILCS 5/2-206

735 ILCS 5/2-206 (affidavit of due diligence, newspaper publication 3 weeks, mailing)

Service on Corporations

735 ILCS 5/2-204

Service on a corporation may be made by leaving a copy with the registered agent or any officer of the corporation.

Subpoena Service in Illinois

Rule 204

Illinois Supreme Court Rule 204: Subpoenas issued by clerk or attorney of record; served requiring actual knowledge or per rules; same persons as civil process

Family Law Service of Process in Illinois

No special rules identified; follows general civil service rules under 735 ILCS 5/ Article II, Part 2 (Code of Civil Procedure)

Small Claims Service in Illinois

Follows general rules; certified mail via clerk, sheriff, or special process server (Illinois courts small claims forms/guidance)

Unique Provisions for Service of Process in Illinois

Rule 102(f)

Cook County (3M+ pop.): Licensed detectives pay $5/service fee to sheriff (735 ILCS 5/2-202(a-3)). Court-ordered alternative service (email/text/social media) under Rule 102(f)/2-203.1. No Sunday/time restrictions. Gated access mandate unique. Detailed identification in proof (sex/race/age/address)

Substituted Service in Illinois

735 ILCS 5/2-203

735 ILCS 5/2-203(a)(2): Leave at abode with family/resident 13+, inform contents, mail copy prepaid