1930s-1940s
609 S. Jackson St.
A barber shop with a piano room in back owned by Sherman Spates, the Green Dot was across Jackson Street from the more expansive Congo Club and offered shows that at one point included Palmer Johnson and Herman Grimes.
Jackson Street After Hours (print only). https://depts.washington.edu/depress/jazz_jackson_street_seattle.shtml#:~:text=Upon%20his%20return%20to%20Seattle,clubs%20quickly%20gaining%20in%20popularity.&text=Another%20nightclub%20to%20flourish%20during,scene%2C%20was%20the%20Green%20Dot.