Are you wondering when your auto tags expire? It's a very good question because by knowing when your tags expire you can avoid having to pay late penalty fees. The DMV has 3 tiers of penalties after it is due: the first day you are late, then the second goes in effect after the 10th day, and the 3rd and final kicks in 10 additional days after that. For some individuals, this could mean hundreds if not thousands of dollars in penalties (yes, I have seen this). But for most people, it's in the $21 to $100 range. There are a few ways to find out when the due date for your vehicle registration is. Here's a list of them: