How to Claim and Report California Gambling Winnings for TaxesĪny time you have significant gambling winnings in the state of California, the casino, track, card room or California sports betting apps, you are legally obligated to report it to the IRS. Here are the 2023 rates for single residents or married residents that file separately:Īnd here are the rates for married couples filing joint returns: What are the Gambling Tax Rates in California?Ĭalifornia has a graduated income tax. Players are obligated to report them on both their federal income tax returns and state tax return. Yes, gambling winnings are taxable in California. Are Gambling Winnings Taxable in California?