3313 11th Street, NW
For those who have flexible work hours, this is pretty great from El Chucho:
“Our new Progressive Taco HH: From 4 to 4:30pm Chicken Tinga, Al Pastor, Carnitas & Calabacita Tacos are $1. $2 from 4:30 to 5pm; $3 from 5 to 5:30pm; and $3.5 from 5:30 to 6pm. Mon-Fri; 3 per order at a time; no carry out; must order beverage from bar but doesn’t have to be alcoholic.”
Check out all their menus here.