They also must have a valid address, social security number, and other personal information so their account can be verified by each online casino they wish to use. Bettors must also be physically located in the state of New Jersey to place any bets online. Bettors must be 21 years of age or older to use an online casino in New Jersey. To be eligible to play at the NJ online casino sites you see here, there are a few requirements that players must meet. Who Is Eligible For a New Jersey Online Casino Account? The legal NJ online casino sites that you see here are legal and regulated through the New Jersey Division of Gaming Enforcement, which oversees all of the online gambling operations in the state, including online casinos and New Jersey sports betting sites. Yes, online casino gaming is legal in New Jersey and has been since 2013 when Governor Chris Christie signed a bill into law to allow for online casinos to operate. Here, we look at the best NJ online casinos that bettors can enjoy from anywhere in the Garden State. From being one of the first states to legalize sports betting to being one of the first to offer online casino games, bettors in New Jersey have had no shortage of excitement since online casinos were first launched in 2013. New Jersey has long been one of the leaders in the United States when it comes to online gambling.