i went back and took a look at the photos i had posted on the destruction of the broadway tunnel and forrt moore hill to see if the location of the beaudry house was visible.
and sure enough, in this LAPL aerial, the brunswig building is visible at the bottom of the photo towards the left side. New high street runs from the intersection of spring street and sunset, (Cesar Chavez today), on the lower right, and runs south to terminate at Arcadia. The Beaudry house would have been just about where the three story building is that backs up to spring street.
Gaylord Wilshire and Sopas EJ, you two are true urban archeologists extraordinaire!