The Famous Door nightclub stood on Vine Street, Hollywood, some time in the 1930s. Apparently, they were very proud of the fact that Fats Waller came to play there. This Famous Door was a west coast incarnation of the Famous Door jazz nightclub, which was at several locations along West 52nd Street in New York. The image below was taken from the Los Angeles City Directory of 1938:

See also: Dorothy Lamour at Famous Door nightclub, Vine-Street, Hollywood

The Famous Door later became Casa Caribe Club. Below is the cover artwork for George Benson’s “After Hours” live album, which he recorded in April 1973: