See more important details in the table below: West Virginia Gambling Topics However, the minimum age requirement for pari-mutuel and charitable gambling is only 18 years. To gamble at casinos, a WV resident needs to be 21 years old. To obtain a permit, the operator must comply with responsible gambling policies. The state currently permits all major forms of gambling, including casino gaming, sports betting, poker, and more. Gambling in West Virginia is perfectly legal, provided that you visit a licensed operator.