And what is legal? "Basically, gambling is illegal in this state. This legal research guide provides information about gambling laws in Texas. Poker Rooms in Texas. And so there are very few exceptions,". The clubs were accused of encouraging illegal gambling, money laundering, and criminal activities. General Information · Bingo · Eight-Liners · Poker. You know, we're not Nevada. ” Local law enforcement officials, including Houston Police Chief Art Acevedo and Harris County. how to open a legal poker room in texas. The owners of one Houston poker room say they are operating within a narrow margin of the law, but others aren't so sure. “Our guys are not benefiting from the game. Are you or someone you know facing a gambling charge in Texas? Contact Houston game room attorney Matthew Sharp for help». . After the raids, District Attorney Kim Ogg.