Oak Park Criminal Court Records Lookup

Oak Park criminal court records are held by the Cook County Circuit Court Clerk, since Oak Park sits entirely within Cook County. There is one important thing to know before you start searching: Cook County does not make criminal court records available online. Unlike most Illinois counties, Cook County requires in-person access for criminal case files. This guide explains where to go, what courthouse serves Oak Park, and what other options exist for getting the information you need.

Cook County Circuit Court Clerk

The Cook County Circuit Clerk is Mariyana T. Spyropoulos. The main office is at 50 W. Washington, Suite 1001, Chicago, IL 60602. Phone: 312/603-5030. The clerk's website is at cookcountyclerkofcourt.org.

The Cook County Circuit Court is the largest unified court system in the United States. It handles criminal cases from all Cook County municipalities, including Oak Park. The clerk's office maintains every case file from the time charges are filed through final disposition. That includes charging documents, court orders, plea agreements, verdicts, and sentencing records.

Under 705 ILCS 105, court records are public documents. Cook County does follow that law. The issue is not that the records are private; it is that Cook County has not made criminal records available through any online portal. You must appear in person at a Cook County courthouse to look up or obtain a criminal case file.

See the Cook County page for more on how the county handles criminal records broadly.

Which Courthouse Handles Oak Park Cases

Oak Park is in Cook County's First Municipal District. Criminal cases from Oak Park are typically handled at the Maywood Courthouse, which is at 1500 Maybrook Drive, Maywood, IL 60153. Maywood is the courthouse for the First Municipal District outside of Chicago proper, and it is the likely location for misdemeanor and ordinance cases from Oak Park.

Felony cases from Oak Park may be handled at the Criminal Courts Building at 26th Street and California Avenue in Chicago, which is the main felony courthouse for Cook County. Which courthouse applies depends on the charge level and sometimes on where the case was initially assigned. If you are not sure which courthouse has the case, call the main clerk's office at 312/603-5030 before making a trip. Staff can tell you which division or location holds the file you need.

When you go in person, bring the defendant's full name and, if you have it, the case number. The clerk's staff will look up the case and can provide you with copies for a per-page fee. Certified copies cost more than plain copies but carry the court's official seal, which is required for most legal purposes.

What Criminal Records Are Public in Cook County

Most adult criminal court records from Oak Park are public. The court file typically contains the charging document, the defendant's name and date of birth, all charges with statute references, the case number, all scheduled court dates, motions filed by both sides, any plea deal reached, the jury or bench trial verdict if applicable, and the sentence imposed.

Some records are sealed or expunged. Juvenile records are not public. Records that a court has sealed by order are removed from the public index. Expunged records are gone entirely. If you search a name and find nothing, it does not always mean there was no case. It could mean the record was sealed, that the charges were dropped before a formal case was filed, or that the case number or spelling is slightly off.

Under 20 ILCS 2635, the Unified Crime Information Act governs how conviction data is maintained statewide. This law also sets out the process for correcting errors in a person's official criminal history record if something was reported incorrectly.

Illinois State Police Bureau of Identification

The Illinois State Police Bureau of Identification keeps statewide criminal history records. For Oak Park cases that resulted in a conviction, the BOI may have a record even if the specific Cook County court file is not accessible online. The BOI is at 260 N. Chicago Street, Joliet, IL 60432. Phone: 815/740-5160.

The screenshot below shows the ISP Bureau of Identification page, where you can get background check forms and learn about the process.

Name-based checks are open to the public and pull conviction data from across Illinois. They are a reasonable alternative when you cannot easily access the Cook County court records in person. Fingerprint-based checks are more thorough and are used for official licensing, certifications, and law enforcement purposes. Both request types are handled by the BOI office in Joliet.

Re:SearchIL and Cook County's Limitation

Re:SearchIL is the statewide court portal that became free on May 1, 2025. It covers most Illinois counties and lets you search by name across courts. However, Cook County criminal cases are not part of the re:SearchIL public search. This is a known gap in the system, and it means the statewide portal will not help you find Oak Park criminal records.

The screenshot below shows the re:SearchIL portal. It is useful for most Illinois counties, but not for Cook County criminal cases.

For Oak Park, the most direct path to criminal case records remains an in-person visit to the appropriate Cook County courthouse. Call the Circuit Clerk's office first to confirm which location has the file you need, what the current hours are, and whether you need to bring any specific identification. The main clerk line at 312/603-5030 handles those questions.

Oak Park Police Department Records

The Oak Park Police Department handles arrests and investigations for incidents within village limits. Police reports are separate from court records. The OPPD is at 123 Madison Street, Oak Park, IL 60302. Their records division handles requests for police reports, arrest information, and incident records.

Police reports document what officers found during the investigation. Court records document what happened after charges were filed. You may need both depending on what you are looking for. Some police records, such as ongoing investigations or records involving juveniles, are not available to the public. The OPPD website has information on their records request process and any applicable fees.

Legal Help for Oak Park Residents

Illinois Legal Aid Online at illinoislegalaid.org provides free guides on Cook County criminal procedures, expungement eligibility, and court navigation. Cook County has its own expungement and sealing process, and the guides on Illinois Legal Aid Online explain it step by step. Illinois Court Help also has plain-language resources and downloadable forms.

The Cook County Public Defender's office offers free representation to qualifying defendants. The office handles misdemeanor and felony cases throughout Cook County, including cases from Oak Park. If you are charged with a crime and need a lawyer, you can ask the court to appoint a public defender at your first appearance. Income limits apply. Several non-profit legal organizations in the Chicago metro area also assist with criminal record matters including sealing and expungement petitions.

Nearby Illinois Cities

These nearby cities also have criminal case records filed at the county level.