What an Illinois license plate search does and doesn't do
An Illinois license plate search lets you find basic information about a vehicle registered in Illinois using its plate number. The Secretary of State's office maintains this data, but what you can actually see depends on who you are and why you're asking. A private citizen searching a plate number will get far less information than a law enforcement officer or insurance company would.
The most common reason people search a plate is to identify a vehicle after an accident or parking lot incident. You can report what you saw to police, and they have tools to contact the registered owner. If you're trying to find out who hit your car, filing a police report is the correct step — not running the plate yourself. The Secretary of State's public search tool does not return owner names or contact details to the general public.
Key Takeaways
- The Illinois Secretary of State offers a public plate search that returns vehicle details like make, model, and year, but not owner information.
- You cannot use a public plate search to find someone's name or address; that information is restricted to law enforcement and authorized parties.
- If you need to report an accident or hit-and-run, file a police report instead of searching the plate yourself.
- Commercial services that claim to reveal owner names from plate numbers are not connected to the Secretary of State and may violate privacy laws.
How to search a plate through the Secretary of State website
The Illinois Secretary of State's office runs the official public plate search at cyberdriveillinois.com. Navigate to the vehicle information section and enter the license plate number. The search returns the vehicle's make, model, year, and body type — information that helps you confirm you have the right vehicle if you're following up on an incident.
The search is free and does not require you to create an account. Results appear when ready. If the plate is not found, the vehicle may be registered in another state, the plate may be inactive, or you may have entered the number incorrectly. Double-check the plate number and try again, paying attention to the letter O versus the number 0, and the letter I versus the number 1.
What information you will and won't see
The public search returns the vehicle's registration status, make, model, year, body type, and color. It does not return the owner's name, address, phone number, or email. It does not show whether the vehicle has outstanding violations, unpaid registration fees, or liens. Those details are available only to law enforcement, the vehicle's owner, and parties with a legal right to the information.
If you are the registered owner looking for your own vehicle information, you can see more by logging into your Secretary of State account with your driver's license number and PIN. That account shows your registration details, renewal dates, and any violations or holds on your account.
When to use a plate search versus filing a police report
Use the public plate search if you want to confirm basic details about a vehicle you've seen — for example, to verify the year and color match what you remember from an accident. Do not rely on it to identify the owner or contact them directly.
If you were in an accident, witnessed a hit-and-run, or saw a vehicle commit a traffic violation, file a report with local police instead. Provide them with the plate number, the location, the time, and a description of what happened. Police have access to the full registration database and can contact the owner on your behalf. This is the legal and safe way to report an incident.
Why you should not use third-party plate lookup services
Many websites advertise "when ready license plate lookup" and claim to reveal the owner's name and address. These services are not affiliated with the Illinois Secretary of State and often operate in a legal gray area. Some may violate privacy laws, and many charge fees for information that may be inaccurate or outdated.
Using a third-party service to find someone's personal information without their consent can expose you to legal liability, especially if you use that information to contact them or take action against them. If you have a legitimate reason to identify a vehicle owner — such as reporting an accident — use official channels: police, your insurance company, or the Secretary of State's office itself.
What to do if you need the owner's information
If you were in an accident or your property was damaged by a vehicle, contact your local police department and provide the plate number. They will investigate and contact the owner. You can also file a report with your insurance company; they have investigators who can work with police to identify the responsible party.
If you are trying to reach the owner for a non-emergency reason — for example, you believe they hit your parked car but did not leave a note — police may still take a report. Some departments will contact the owner to ask them to reach out to you. Do not attempt to find the owner yourself through online searches or by staking out the vehicle.
Frequently Asked Questions
Can I find out who owns a car from the license plate number?
Not through the official Illinois Secretary of State search. The public tool returns only the vehicle's make, model, year, and color. Owner information is restricted to law enforcement, the owner themselves, and parties with a legal claim. If you need to identify an owner, file a police report.
What if the plate search shows no results?
The vehicle may be registered in another state, the plate may be inactive or expired, or you may have misread the number. Check for common mistakes like confusing the letter O with zero or the letter I with one. If you still get no results and you believe the vehicle is registered in Illinois, contact the Secretary of State's office directly.
Is it legal to use a third-party website to look up a license plate owner?
Third-party lookup services operate in a legal gray area and may violate privacy laws depending on how they obtain and use the information. Using such a service to find someone's personal details without consent can expose you to liability. For legitimate needs, use official channels like police or your insurance company.
Can I search a plate if I'm the owner?
Yes. Log into your Secretary of State account using your driver's license number and PIN to see your full registration details, renewal dates, and any violations or holds. The public search tool also works, but returns less information than your account does.
What should I do if someone hit my car in a parking lot?
File a police report and provide the plate number if you have it. Contact your insurance company and provide them with the report number. Do not attempt to contact the owner yourself. Police and your insurer have the tools and authority to investigate and recover damages.