Categories Mount Vernon Square 1100 6th St. NW Post author By pickering Post date May 4, 2017 No Comments on 1100 6th St. NW appears to be 1100 6th st. - corner of 6th and L 1100 6th St. NW is a three-story small commercial brick building. It was constructed in 1900. ← 410 7th St. SE → 1222 V St. SE