Filed under: SoMa Topped Off: 555 Mission Street By Sarah Hromack Dec 7, 2007, 1:40pm PST 3 . . . 2 . . . 1 . . . Liftoff. Here's the top off, folks. Glass it up, and we have a deal. Foursquare 555 Mission St 555 Mission Street, , CA 94105