Illinois
License Plate Lookup

What a Illinois plate lookup can reveal

Illinois vehicle history includes DMV records, title information, accident reports, and recall data.

Illinois license plates: format and rules

In Illinois, license plates stay with the seller, not the vehicle — plates come off when a car is sold. Standard passenger plates follow the AB 12345 format. Illinois requires emissions testing in the Chicago and Metro East areas.

Illinois title, plate and registration rules

What the law requires when a vehicle changes hands in Illinois. Fees and exact deadlines are set by the Illinois SOS and can change, so check the official pages linked below before you file anything.

Title transfer

The buyer applies to the Secretary of State for a certificate of title and registration, and must settle the private party vehicle use tax as part of that application. Form RUT-50, the Private Party Vehicle Use Tax Transaction Return, is due no later than 30 days after the purchase date of the vehicle, and either payment of the tax or proof that no tax is due must be submitted before the vehicle can be titled.

Worth knowing

File Form RUT-50 by its deadline even if you cannot complete the title application by that date, because the late-filing penalty attaches to the tax return rather than to the title application.

Sources: Illinois Department of Revenue — Tax Requirements for Cars, Trucks, Vans and Motorcycles. Verified 2026-09-15.

Can you find out who owns a car from the license plate?

What the law protects

The federal Driver’s Privacy Protection Act, at 18 U.S.C. § 2721, bars state motor vehicle departments from releasing personal information out of their records. That covers the registrant’s name, address, telephone number, driver identification number and Social Security number. Photographs, medical and disability information are treated as highly restricted and cannot be released at all without the person’s express consent.

When owner information can legally be released

The statute sets out fourteen permitted uses. The ones an ordinary person might qualify for are:

• Asking the Illinois SOS for a copy of your own record.
• A civil, criminal or administrative proceeding, including service of process.
• An insurance claim, underwriting decision or anti-fraud investigation.
• Notifying an owner that their vehicle has been towed or impounded.
• A licensed private investigator acting for one of the permitted purposes above.
• Any purpose at all, where the individual has given written consent.

Outside that list the answer is no, whoever is asking and whatever the reason. If you need to reach an owner over a genuine dispute, the route is a police report, an insurance claim or a court, not a lookup site.

What you get from us instead

A Illinois plate lookup resolves the plate to the vehicle’s VIN, then reports on the vehicle itself: title brands, reported accidents, odometer readings, open recalls, lien records, auction and sales history, and how many owners it has had. That is what tells you whether a car is worth buying. The registrant’s identity would not, and is not something we hold.

Frequently asked questions

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