GSV
ER: I found that there's still a Ralphs at 1416 East Colorado--and the tip of the hill in this shot seemed to match the one in your shot.
Then I found this listing in the 1955 Glendale phone book--1400 East Colorado is at the southeast corner of Verdugo Road.
The Deco Van de Kamps is gone, but caddy-corner is this gem:
GSV
Anyone know what this started out as?