The Westin St. Francis San Francisco on Union Square The Westin St. Francis San Francisco on Union Square Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Hotel Organizations The Westin St. Francis San Francisco on Union Square 335 Powell StreetSan Francisco, CA 94102 | View on Google MapsClif Clark Contacts Clif Clark Angella Kyung Daniela Puccinelli Christina Sellami Michael Smutzer Ninja Villalta