The site is now a small parking lot sandwiched between two other buildings.

http://www.propertyshark.com/mason/Property/16328503/633-S-Spring-St-Los-Angeles-CA-90014/

In the early 1920's a real estate firm offering Mexican properties operated there - another scam, as buyers of what seemed to be fantastic deals south of the border would discover, if they went to their acquisitions, that Mexican revolutionaries had made illegal the ownership of land by gringos.