States › Illinois
Apostille in Illinois
Issued by Illinois Secretary of State, Index Department.
Verified against the official source on 2026-11-02Fee per document$2.00
Processing timeMail: 7–14 business days · In person: usually while you wait
Where is your Illinois document going?
Pick the country to see whether it accepts the apostille or needs consular legalization.
Valid in
Mexico
How to apply
| Ways to apply | By mailWalk-in |
|---|---|
| Office | Illinois Secretary of State, Index Department |
| Walk-in address | Chicago Office: Index Department, 160 N. LaSalle Street, Suite 100, Chicago, IL 60601 (312-814-8218); Springfield Office: Index Department, 2701 S. Dirksen Parkway, Springfield, IL 62723 (217-782-7017); also select DMV+ locations (Chicago Flagship 125 W. Monroe St.; Aurora; Champaign; Lake Zurich; Melrose Park) |
| Mailing address | Illinois Secretary of State, Index Department, 160 N. LaSalle Street, Suite 100, Chicago, IL 60601 |
| Payment accepted | Check, Money order |
| Notarization or prior certification | All documents must be originals, certified by a government official or notarized by an Illinois Notary Public. Vital records must be certified copies from the county clerk, local registrar or IDPH; divorce decrees from the circuit clerk. Do not notarize documents signed by a Circuit Clerk or Circuit Judge. Transcripts/diplomas: the school records official certifies and signs in the presence of a Notary Public. |
| Common documents | Marriage licenses, School transcripts, Illinois birth certificates, Powers of attorney, Death certificates, Adoption papers |
| Fee details | $2 for each Apostille or Certificate of Authority; each document requires its own separate certificate. One single check or money order for the total amount, payable to the Illinois Secretary of State. |
| Processing time (official wording) | Mail requests: 7 to 14 business days. In person: in most cases documents are processed while you wait (first-come, first-served). |
| Phone | 312-814-8218 (Chicago); 217-782-7017 (Springfield) |
| eAuthenticationsChicago@ilsos.gov; eAuthenticationsSpringfield@ilsos.gov |
Source
https://www.ilsos.gov/departments/index/apostilles.html
Editor's note
Verified in a browser on the official ilsos.gov page (the site blocks automated fetching). Include a self-addressed stamped return envelope with mail requests; without prepaid postage documents are returned by first-class mail. Chicago-area locations only process authentications; other Index Department services are Springfield-only.