[2] It is a one-story, rectangular structure at the south east corner of the intersection of S. Pomona Ave. and E. Commonwealth Ave.

Built on a raised platform, the post office has six steps at the public entrance.

Inside, over the door of the superintendent's office, is a mural of Fullerton High School students picking oranges, by Paul Julian.

The building has been a post office since it first opened and has been serving the residents and businesses in the downtown area of Fullerton.

Its proximity to the Fullerton Transportation Center makes it readily accessible.