Opened in 1863, Jack’s was the third oldest restaurant in the city, following Tadich Grill and The Old Clam House.

French-born chef George Voges opened the restaurant at 615 Sacramento Street, and named it Jack's after the jackrabbits that lived nearby.

[1] The sixth owners were restaurateurs Gus and John Konstin, who re-opened the restaurant in 1998.

[1] In 2002, French-born chef Philippe Jeanty purchased Jack's, later renaming it Jeanty at Jack's,[3][4] and operated it as a brasserie, until it abruptly closed in May 2009.

In June 2016, Bar Works purchased the building for a reported US$3.55 million, announcing plans to convert the location into co-working space, with food and a bar.