Late night spot (s) near The Clift Hotel
Jasper's Corner Tap is a block away on Taylor and O'Farrell and serves it's late night menu until 12am everyday (1am Thur-Sat). They also have great cocktails, even including house made bottled and draft cocktails. Never been for the "late night menu", but have had their regular menu and they do their version of upscale bar food well. The burger was really good last time we went.
Also a block and a half up Taylor is Ryoko's sushi bar, which serves late as well and was good the last time we went about 6 months ago.