How to check if a MacBook that I’m going to purchase is not stolen
How to check if a MacBook Pro air 2017 that I’m going to purchase is not stolen
Make sure the seller has done this:
What to do before you sell, give away, or trade in your Mac - Apple Support
If you are buying it out of the trunk of a car at midnight in a dark alley from a shady looking character it is likely stolen.
Call your local police department and check if the serial number is on a list of stolen computers.
If the deal is too good to be true it may be stolen.
I don't know of any other ways to check. Apple does not maintain a list of stolen computers.
