grocery storesU Street Trader Joe’s Now Hiring, Opening March 21st at 14th and U St, NW by Prince Of Petworth February 20, 2014 at 12:30 pm 7 Comments 1914 14th Street, NW @LouisAt14 tweets us this morning: “Noticed a new sign at 14th & U? ;) Trader Joe’s is now hiring! Stop by and apply. Opening 3/21. Excited?” F*ck yes I’m excited. June 2010 was a long time ago!!