Summer of 2018 I took an internship in down town DC and was looking for a place to stay...I spent 3 terrific months making myself at home at Mark's place. Mark, Jenefer, and the rest of the people I encountered while living there were all incredibly polite.
#1 Location
Beyond the stunning architecture of the house, the priceless feature of Mark's place is the location. You are in such a lively part of the city. It's very close by to popular restaurants, shops, and many embassies so I felt incredibly safe, even late at night. The Dupont Circle metro station on the red line is easily accessible (the North side entrance basically around the corner). If you like eating out, there are countless restaurants along Connecticut and going down towards GW. You're close by to convenience stores and you have your pick between grocery stores all just blocks away.
#2 Room
I stayed in the small front room on the third level of the house. The pictures are accurate - the built-ins are beautiful - but the room is fairly small. When peaking in some of the other rooms in the house before new guests arrived, it appeared that many of the other rooms available were large and roomy (at least twice the size of 3 front). With that said, as someone who was traveling/staying alone, I would happily call it cozy, even if at times I was wishing for a little extra space.
Mark's place contributed to my wonderful experience in DC. I would highly recommend staying at Mark's long term,;like during a summer internship :) so you can really experience the area!