^[PDF] Proposition 27: Allows Online and Mobile Sports Wagering Outside Tribal Lands. Initiative Constitutional Amendment and Statute.

Provides New Ways to Reduce Illegal Online Sports Betting „ Creates new ways to reduce illegal online sports betting, such as (1) requiring people who place online sports bets with any unlicensed entity to pay the state a penalty equal to 15 percent of the amount that they bet and (2) authorizing a $1,000 penalty for each day this money is not paid.
https://lao.ca.gov/handouts/crimjust/2022/Prop-27-081022.pdf

Gaming. [Ballot]

Dec 18, 2023 - Banking games generally involve players betting against the “house, ” who is a participant in the game with an interest in the outcome, and percentage games generally involve the house receiving a percentage of the money involved in the game.
https://lao.ca.gov/BallotAnalysis/Initiative/2023-030

Tribal gaming. [Ballot]

Dec 27, 2021 - Banking games generally involve players betting against the “house, ” who is a participant in the game with an interest in the outcome, and percentage games generally involve the house receiving a percentage of the money involved in the game.
https://lao.ca.gov/BallotAnalysis/Initiative/2021-039

^[PDF] Proposition 26: Allows In-Person Roulette, Dice Games, Sports Wagering on Tribal Lands. Initiative Constitutional Amendment and Statute.

Some of this revenue would be new—such as from people making sports bets legally rather than illegally. However, some of this revenue would be a shift from existing state revenues. For example, the state currently receives revenue when people spend money on certain things, such as lottery games or shopping.
https://lao.ca.gov/handouts/crimjust/2022/Proposition-26-081022.pdf

Online sports wagering. [Ballot]

Oct 20, 2021 - Authorizes Actions Against Illegal Online Sports Wagering. The measure imposes a 15  percent tax on people in California who illegally make online sports wagers. This tax is applied to the amount a person bets.
https://lao.ca.gov/BallotAnalysis/Initiative/2021-017

^[PDF] Online sports wagering.

Authorizes Actions Against Illegal Online Sports Wagering. The measure imposes a 15 percent tax on people in California who illegally make online sports wagers. This tax is applied to the amount a person bets.
https://lao.ca.gov/ballot/2021/210494.pdf

An Update on California Competes [EconTax Blog]

Mar 10, 2023 - One potential interpretation is that the state is making high risk-high reward bets on businesses. While many of these bets do not pan out, the ones that do can be successful enough to yield overall benefits for the state.
https://lao.ca.gov/LAOEconTax/Article/Detail/771

^[PDF] Authorization of Online Poker in California

For example, the type of bet or wager must be authorized by state law and cannot violate certain federal laws. In addition, rules and regulations must be adopted to prevent minors and non-state residents from partici- pating in online gambling.  At this time, there are bills pending in Congress to legalize online gambling across all states,
https://lao.ca.gov/handouts/state_admin/2010/Online_Poker_02_09_10.pdf

The 2026-27 Budget: California's Fiscal Outlook

Nov 19, 2025 - This year, for example, our outlook reflects our best estimates of the effects of H.R. 1: One Big Beautiful Bill Act on the state budget but does not make assumptions about future federal policy changes.
https://lao.ca.gov/Publications/Report/5091

Sports wagering. [Ballot]

Dec 18, 2023 - Key details of the bill and/or compacts that could significantly impact the magnitude of the fiscal effects include: the specific sports wagering activities which are authorized (such as whether both in-person and online sports wagering are permitted as well as the types of games that may be bet upon), the regulatory structure adopted, and the specific payments required.
https://lao.ca.gov/BallotAnalysis/Initiative/2023-031