However, California residents will have two. While the state is working toward making it legal, no infrastructure is officially in place. Text us at 247247 or chat with us at DraftKings Sportsbook is an online sports betting platform from Draftkings. No, sports betting in California is currently illegal. In terms of sports betting, all but four states require residents to be at least 21 years old in order to take part, those being Montana, New Hampshire, Rhode Island and Washington where the age limit is 18 and over.Īs for gambling in general, some states may have an age limit of 18, but at casinos that sell liquor, you have to be at least 21 years old. The service is free, confidential, and available anytime. Each state determines its own age requirement and there are some states with different age levels, depending on the location. The campaign that could bring legalized sports betting to California has become the most expensive ballot initiative fight in state history. While 21 is the more common age limit, there are states in which you can bet on sports if you are at least 18 years old.