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