Timeless yet modern, The Westin St. Francis San Francisco on Union Square has been offering guests a warm welcome and an enriching, restorative stay since opening on March 21, 1904. As the only hotel on Union Square, SF, it is close to the Financial District and Moscone Convention Center, and with cable cars just outside our front doors, we are at the intersection of the glorious past and vibrant present of this incredible city. Honored as one of Conde Nast Traveler Readers Choice Awards top hotels in San Francisco. We look forward to welcoming you at 335 Powell Street in the heart of San Francisco right on Union Square.