AC Hotel by Marriott

Union Square, San Francisco

Previously the headquarters of the Spring Valley Water Company, J Street Hospitality acquired the vacant office building with plans of converting the building into a 77-room AC Hotel featuring a rooftop bar and ground-level restaurant and bar, while retaining all historic elements. The property is located one block away from Union Square, which is world-renowned for shopping, restaurant, and entertainment.

  • Guestrooms:77
  • Stories:8
  • Address:425 Mason Street, San Francisco, CA 94102

Property Features

  • Full open air rooftop bar and lounge.
  • Historic details preserved including exterior façade and interior woodwork and murals in lobby.
  • AC Lounge, AC Kitchen, and AC Library.