Built in 1913 and completely renovated in 1979, 120 West Grand Ave is located on one of the main commercial thoroughfares in Escondido, just steps away from the California Center for Performing Arts, Escondido City Hall, and Grape Day Park. The 120 West Grand Ave. The 120 Building is a two-story office building located along West Grand Avenue. Located in Downtown Escondido near the intersection between Grand Avenue and Broadway.