660 Pennsylvania Ave. SE is has 62,000 sq. ft. on four floors, with restaurants and retail at street level and offices above. The building is on the corner of Pennsylvania Avenue and 7th St. SE. This door is on the side of the building facing 7th St.
The current building was completed in 2003. It won several awards for incorporating existing historical buildings, including a one-story Kresge store and a two-story Victorian dwelling. The facade has copper, zinc, and tile detailing. The architect was Amy Weinstein, and the builder Stanton Development.