Mr. Tipple's Recording Studio, a jazz club in the city, made a similar move.
Since they only have indoor space, all of its musicians, staff and customers are now required to show proof of vaccination.
"It was done in order to keep our staff, our community, our musicians safe and hopefully to prevent another shutdown," said owner Jay Bordeleau.
Some bar goers are confused about the new requirements, and others are on board with business owners' decision.
"It’s a big logistical issue in a lot of ways but I think businesses have the right to enforce something," said Ari Lawrence from Oakland.