527-529 Stevenson in Mid Market is now two pieces and it looks like there's not much left to remove. The planning documents mention a courtyard, so this is probably it
Bonus, in the background they are right now repainting 1045 Mission, aka, the Soma Residences to the dark red/burgundy on the left
This is what it looked like back in April 2010. It was warehouse that used to have a Chinese garment factory in it for many years