This is a great place to call home base while in D.C. We mostly used the apartment as a place to keep our stuff and to sleep and were out during the day. The apartment was clean and the other occupants of the building were quiet and respectful.
The kitchen is fairly small and awkward to work in. This wasn't a problem for us as we did not cook any meals at the apartment, but a heads up if you like to buy groceries and cook at your AirBNB stays.
The bedroom lets in a lot of light as soon as the sun comes up. I would recommend bringing a sleep mask.