Popular California sportsbook options include BetUS, Bovada, MyBookie, EveryGame and more.Residents must exercise caution and remember that all gambling winnings are taxable when using offshore sportsbooks for legal online wagering.California does not currently have legal sports betting, though potential legislation exists in 2024 or later.With a potential market that could rival the likes of Las Vegas, what does the future hold for California sports betting enthusiasts? Key Takeaways California, a state known for its love of sports, has yet to fully embrace legal sports betting, leaving enthusiasts in a state of anticipation.