Blackjack Card Counting – Is it Legal? Under US law, blackjack card counting is legal, provided the player or team does not use any mechanical or electronic or any other type of device for the card counting. If you are counting cards in your mind and get caught, you cannot be handed over to the police, cannot be charged with any crime and will not face any fine or jail term. However, there is a “but” – and a big one. Casinos are private property and right of admission is reserved. If they ask you to leave, then you must and you have no recourse in law against that decision. Just as unruly casinos players are ejected from the premises, so are suspected card counters. Those who follow blackjack news, will realise that the frequency of removal of card counters is on the rise. This is hardly surprising, because card counting still results in losses to casinos of millions of dollars every year. Two thoughts arise from this discussion. · ...