What you can learn from a license plate search
A license plate search tells you basic vehicle registration information: the owner's name, the vehicle's make and model, the year it was registered, and sometimes the VIN (vehicle identification number). What you get back depends on which search tool you use and what state issued the plate. Some searches are free and take 30 seconds. Others cost money or require you to have a legitimate reason to look up the information.
The most common reason people search a plate is to identify a vehicle after an accident, to check if a used car has outstanding liens, or to verify that a vehicle parked near them is registered to someone. Police and insurance companies can access more detailed records than the public can, but you have several legitimate options for basic information.
Key Takeaways
- Free state DMV searches usually give you the vehicle's make, model, year, and owner name, but not the owner's address or phone number.
- Third-party services like Carfax and AutoCheck charge a fee but also report accident history, title problems, and whether the car has outstanding loans.
- You need the exact plate number and the state that issued it to start any search.
- If you were in an accident, you can report the plate to police and let them handle the lookup rather than searching yourself.
Free searches through your state's DMV website
Most states offer a free license plate lookup through their Department of Motor Vehicles website. Go to your state's DMV homepage, look for a link labeled "License Plate Lookup," "Vehicle Registration Search," or "VIN Decoder," and enter the plate number. You will need the exact plate number and the state that issued it.
What you get back varies by state. Some DMVs show only the vehicle's make, model, and year. Others include the registration expiration date and whether the vehicle has any safety or emissions violations on file. No state DMV search gives you the owner's address or phone number through a public lookup — that information is restricted to law enforcement and people with a documented legal reason to access it.
The search takes less than a minute and costs nothing. If the plate number you have is incomplete or you are not sure of the state, you may need to try variations or contact the DMV directly by phone.
Third-party vehicle history services
Services like Carfax, AutoCheck, and NHTSA's VIN decoder go beyond basic registration and show accident history, title problems, recall notices, and whether the vehicle has an outstanding loan. These services charge between $20 and $40 per report, though some offer subscriptions if you need multiple lookups.
To use these services, you typically enter the VIN rather than the plate number. If you only have the plate, you can use the free state DMV search first to get the VIN, then plug that into Carfax or AutoCheck. These reports are most useful if you are considering buying a used car or need to know whether a vehicle has been in accidents.
Be aware that accident history reports rely on insurance claims and police reports that were filed and shared with the service. A vehicle in a minor accident that was paid for in cash may not appear in these databases.
What to do if you were in an accident
If another vehicle hit you and you have the plate number, your best option is to report it to police rather than searching the plate yourself. Police have access to registration information you cannot get through public searches, and they can contact the owner directly. File a police report at your local station or online if your state offers that option, and provide the plate number, the time and location of the accident, and a description of the vehicle and driver if you have one.
Keep a copy of the police report number for your insurance claim. Your insurance company will also investigate the other vehicle's registration and insurance status once you file a claim. You do not need to do the lookup yourself — the police and your insurer handle it as part of their process.
Searching for a vehicle you are considering buying
If you are looking at a used car and want to check its history before you buy, get the VIN from the seller or the window sticker. Use the free NHTSA VIN decoder at safercar.gov to check for open recalls. Then use Carfax or AutoCheck to see the full accident and title history. These reports cost money but show you whether the car has been in major accidents, has a salvage or rebuilt title, or has an outstanding loan that could complicate your purchase.
Ask the seller for the plate number as well, and run it through your state's free DMV search to confirm the registration matches what the seller told you. If the registration is expired or the vehicle is registered in a different state than where the seller claims to live, that is a red flag worth investigating before you commit to the purchase.
Limitations of public license plate searches
Public searches do not give you the owner's name, address, or phone number in most states. Even if you get a name back from a search, you cannot use that information to contact the person or track them down — that crosses into harassment or stalking territory. If you need to contact the vehicle's owner, go through police or your insurance company.
License plate searches also cannot tell you whether the vehicle is stolen, whether there are warrants connected to it, or whether the owner has unpaid tickets. That information is restricted to law enforcement. If you suspect a vehicle is stolen or connected to a crime, report it to police with the plate number and let them investigate.
Frequently Asked Questions
Can I find out who owns a car just from the license plate?
Not through a public search. State DMV lookups show the vehicle's make, model, and year, but not the owner's name or address. Third-party services may show a name, but it is usually incomplete or outdated. If you need the owner's identity for a legal reason, contact police or your insurance company.
What if the license plate search returns no results?
The plate number may be incorrect, the state may be wrong, or the vehicle may not be registered in that state. Double-check the plate number and try again. If you still get no results, contact your state's DMV by phone — they can search their database manually and may be able to help if the plate is partially obscured or unusual.
Is it legal to search someone's license plate?
Yes, searching a plate number through public DMV databases is legal. What is not legal is using that information to harass, stalk, or track someone down. If you have a legitimate reason — you were in an accident, you are buying a car, you witnessed a crime — the search is appropriate. If you are trying to identify someone to contact them for other reasons, that crosses into illegal territory.
Do I need the VIN or just the license plate?
State DMV searches work with just the plate number. Third-party services like Carfax usually require the VIN. If you only have the plate, use the free state search first to get the VIN, then use that for more detailed reports.
How long does a license plate search take?
Free state DMV searches return results in seconds to a few minutes. Third-party services usually deliver results when ready after you pay. If you are searching by phone through the DMV, expect to wait on hold and allow 10 to 15 minutes for the agent to look up the information.