Sports betting is legal in Washington State, however, the market is still in its infancy. Is sports betting legal in Washington State? However, Washington’s southern neighbor Oregan does have legal online sports betting via the DraftKings app. Idaho does not have legalized online sports betting. Neighboring states with legal online sports betting The first sportsbook in Washington State opened in September 2021 at the Snoqualmie Casino, accepting bets over the counter and via an app while on property grounds. While bettors are able to use mobile devices to place bets, it is geo-locked so that they can only be made inside the grounds of one of the Evergreen State’s tribal casinos via their accompanying app. While betting on sports is now fully legal, it can only take place at one of the state’s tribal casino sportsbooks. Washington State has historically maintained strict gambling laws, and this spirit has continued since legal sports betting was introduced in March 2020.