Des Plaines Police Records Search

Police records in Des Plaines are managed by the Des Plaines Police Department and the Cook County court system. Des Plaines also hosts the ISP Troop 3 headquarters, making it a hub for state police activity. This page covers how to get records in Des Plaines, Illinois.

Des Plaines Police Department

The Des Plaines Police Department handles law enforcement within city limits. They respond to all local calls, write incident reports, and manage arrests. If you need a police record from something that happened in Des Plaines, the PD is where you start. They keep files on every incident they handle.

To get a copy of a report, file a FOIA request. The Illinois Freedom of Information Act (5 ILCS 140/) requires it in writing. Email, mail, or hand delivery all work. In your request, include the date of the incident, the address or location, and any names or case numbers you know. Clear, detailed requests get processed the fastest.

The response window is five business days. An extension to ten days is allowed if the department gives you written notice. The first 50 pages of copies are free. After that, it is $0.15 per page. Electronic delivery by email costs nothing. That is the best option for most Des Plaines records requests and the one most people choose.

Some records will be restricted. Active investigations may be held back. Juvenile files are sealed. Records covered under the Criminal Identification Act (20 ILCS 2630/) have limits on public access, especially for arrests that did not result in a conviction. The department must cite specific FOIA exemptions in any denial letter.

ISP Troop 3 Headquarters in Des Plaines

Des Plaines is home to the ISP Troop 3 headquarters at 9511 West Harrison Street. This is notable for police records. Troop 3 covers a large chunk of the Chicago suburbs, including Des Plaines itself. State troopers from this district handle incidents on highways and interstates in the area. When a trooper responds to something near Des Plaines, the report goes through ISP, not the local PD.

Having the troop headquarters in town does not mean you can walk in and get records there. ISP FOIA requests go to the central FOIA Officer, Sarah Wheeler, at 801 S 7th St, Springfield, IL 62703. You can also email ISP.FOIA.Officer@illinois.gov. All ISP records requests are handled through Springfield, regardless of which troop district the incident falls in.

The screenshot below shows the ISP Troop Map, which displays the patrol districts across Illinois including Troop 3 covering the Des Plaines area.

Visit the ISP Troop Map to see patrol district boundaries across the state.

The troop map helps you figure out which ISP district covers a specific location, which matters when you need to identify the right agency for a records request.

Troop 3 troopers respond to highway crashes, traffic enforcement, and criminal matters on state roads in the Des Plaines area. If you are not sure whether the local PD or ISP handled an incident, check the report number format. ISP report numbers are different from local department numbers. You can also call the Des Plaines PD and ask which agency responded to a particular incident.

Cook County Court Records

Des Plaines is in Cook County. Criminal and civil cases from the city go through the Cook County Circuit Clerk. Traffic tickets, felony charges, misdemeanors, civil suits, and family law matters are all on file with the clerk. The court record shows what happened after someone was charged. The police report shows what happened before.

The Cook County Sheriff's Office at 50 West Washington Street, Room 704, Chicago, IL 60602, handles unincorporated areas near Des Plaines. Inside city limits, the Des Plaines PD is responsible. But the sheriff manages the county jail and handles warrant service, so county-level records can still relate to Des Plaines cases.

To get court documents, go to the Circuit Clerk's office or search online. A case number is the quickest lookup method. Name searches work too. Fees vary based on the document. Certified copies are more expensive than standard ones. If you need records from a Des Plaines case, determine whether it went through Cook County court and then contact the clerk.

Requesting Records in Des Plaines

Put it in writing. That is the law. Phone calls are not FOIA requests. You need an email, letter, or form submitted to the police department's FOIA officer. Here is what makes a Des Plaines request work well.

Be specific. A request for "the police report from the break-in at 400 Lee Street on March 15, 2025" is easy to process. A broad request for all break-in reports from the past year is likely to be flagged as too burdensome. Start small. You can always file more requests if you need more records from Des Plaines.

No reason required. You do not have to explain why you want the records. The FOIA statute does not ask for justification. Describe the records clearly and send the request. If the department has questions about what you mean, they should contact you for clarification rather than deny the request.

Keep a paper trail. Save a copy of your request and note the date. The five-day clock starts when the department receives it. If they miss the deadline, you have options. The Illinois Attorney General's Public Access Counselor reviews complaints about late or improper FOIA responses. That service costs nothing.

State-Level Resources for Des Plaines

Beyond the Troop 3 headquarters, several ISP tools serve Des Plaines residents. The CHIRP system runs name-based conviction searches. The fee is $16. Only convictions appear in results. The Uniform Conviction Information Act (20 ILCS 2635/) limits CHIRP to conviction data only.

Crash reports from state roads near Des Plaines are $5 each through the ISP Crash Reports page. City street crashes come from the Des Plaines PD. The Illinois Sex Offender Registry is free. Search by name or address to find registered offenders in the Des Plaines area.

The ISP Bureau of Identification at 260 N Chicago St, Joliet, IL handles fingerprint-based background checks. Call (815) 740-5160. This is more thorough than a CHIRP name search and is commonly used for formal licensing and regulatory requirements.

Nearby Cities

These cities are near Des Plaines. Visit their pages for police record contacts and local info.