I. Magnin at South Coast Plaza in Costa Mesa, California, into a separate Bullock's Men's location. The upper floors of the former I. Magnin store on Union Square were later converted to an expansion of Macy's West's own adjoining flagship. Stores See also I. Magnin Building References 1876 establishments in California 1994 disestablishments in California American companies established in 1876 Companies based in San Francisco Defunct department stores based in the San Francisco Bay Area Retail companies disestablished in 1994 Retail companies established in 1876 Companies that filed for Chapter 11 bankruptcy in 1992 Union Square, San Francisco Macy's Bullock's