The state Gaming Commission made it official Wednesday, with a unanimous vote approving the final design of the project and its opening date.

That’s the new opening date for Wynn Boston Harbor, the $2.1 billion casino and hotel complex being built along the banks of the Mystic River.

For those looking forward to the casino under construction in Everett, mark your calendars for June 3, 2019.

While there was little doubt the commission would accept the final design, which deals mostly with the interior of the 24-story curved-glass hotel, the vote still marked a milestone in what casino mogul Steve Wynn said is the single largest private development in the state’s history.


“This is a very exciting moment,” said Stephen P. Crosby, the commission’s chairman, said after the vote.

Wynn Resorts, one of the world’s wealthiest casino companies, beat out a rival proposal from Mohegan Sun and Suffolk Downs to win the coveted Greater Boston casino license in 2014. Since then, Wynn Resorts has prevailed in lawsuits filed against it by the City of Boston and the City of Somerville.

Wynn officials say as many as 4,000 construction workers will be hired for the project. About 4,000 permanent jobs will be created when the casino opens.

Everett Mayor Carlo DiMaria told the commission it had been “a long and difficult” road to this point, but that it was well worth it. Everett has already received an economic jolt from the casino, including the construction of a 101-room boutique hotel on Revere Beach Parkway, he said.

Crosby credited DiMaria for “leveraging the casino opportunity to lift your entire community” and spur more economic development. He also praised Springfield Mayor Domenic Sarno, a longtime supporter of the MGM Resorts casino now being built in that city’s downtown.

MGM’s $950 million casino is expected to open in 2018.


Sean P. Murphy can be reached at smurphy@globe.com. Follow him on Twitter @spmurphyboston.