Unable to answer "How many steps are here?" – Steps – https://osm.org/way/536751329 via StreetComplete 59.0:

At the North end of the building there are 2 steps. At the South end. There are 4 steps. Also, there is a locked gate at the southern turn. People can climb up through the gate (push bar) toward 33rd & Broadway. But you cannot go down.