These stairs are at Beachwood Drive and Woodshire Drive, and lead up to Belden Drive. This is a 1929 photo:
USC Digital Library --
https://digitallibrary.usc.edu/asset...nt/2A3BF1GG55T
The house at the top of the stairs is 2950 Belden, built 1926/27. The house at the bottom of the stairs is 2829 N. Beachwood, built 1924/remodeled 1945.
A closer look; how long did the waterworks work?
January 2011:
GSV
November 2013, from the bottom up:
Photo by me
The plaque:
Photo by me
From the top down; you can see repairs where the water used to flow:
Photo by me