As part of the Works Progress Administration, the country embarked on a robust national construction program to build federal infrastructure facilities ranging from the massive engineering projects such as Hoover Dam to many courthouses and post offices.  The intent was to incorporation artworks into their architectural elements that reflect the area. The Inglewood Post Office is one of many designed by the in house Architects working for the Postal Service that does this. The City of Inglewood grew up because of its proximity to the Centinela Springs. The large carved wood mural in the lobby pays homage to that. Similarly the facade has reliefs of native animals.