Actual street location of the Glass Tower

Apologies if this subject has been discussed before, I just found this board. Obviously, the Glass Tower was a fictional building, but I've been trying to figure out about where it was located, based on the long shots. Appears to be in the Financial District, north of Market St, the Pyramid is close by, as you see in a quick shot either involving the breeches buoy or when they were rescuing the scenic elevator. Based on my knowledge of that area of San Francisco from several visits, I know the Pyramid is at the foot of Columbus Av where it meets Montgomery St (also, a firefighter en route to the Glass Tower mentions Montgomery St) So I will guess on Montgomery a block or 2 south of the Pyramid maybe.