From downtown DC (National Mall):

Go north on 14th, St., turn left onto M St. go two blocks and turn right onto 16th St. At W St. turn right, go one block and turn left onto 15th St. There is a small of street parking lot on the left of 15th.

From Maryland:

Take 16th St. south to Euclid St. and turn left. Turn right onto 15th St. There is a small off street parking lot on the right of 15th St.