1949: 304 E. 44 St., New York, N. Y. 10017 (http://archive.org/stream/1950business1949screenmav10v11rich/1950business1949screenmav10v11rich_djvu.txt)
1967: 304 E. 44 St., New York, N. Y. 10017 (http://journal.smpte.org/content/76/6/local/advertising.pdf)
According to the liner notes by Orren Keepnews in the booklet of CD Thelonious Monk with John Coltrane: The Complete 1957 Riverside Recordings: Reeves Sound Studios in Manhatten, on Second Av. between 44th and 45th Streets.