Very cozy, clean space with access to big living room-kitchen area, and one bedroom + bathroom. The whole place is decorated as if someone actually lives there, so it has a pretty homey feel. Seemed even bigger and nicer than the photos. Sunny, with fairly expansive, long-distance view to the mountains; it's on the 5th? floor, higher than surrounding buildings. (It was nice to have the elevator.)
Location: Maybe I misunderstood, but I thought the listing said it was in the Cuauhtémoc neighborhood/colonia. I believe it is technically in Narvarte, though. This concerned me at first, but the building is on a busy, well-lighted street, and seemed safe enough at night walking to and from the Etiopea metro-bus station--1 or 2 blocks... Not much of interest to do or see in the immediate area, from what I could gather on my brief stay here. It seems mainly residential, with some chain restaurants, lavanderias, tire shops...The local mercado is close enough, maybe a 10-minute walk. The Delta Parque? Mall is maybe a 20 minute walk.
Concepcion I never met in person, but was responsive and helpful via text messages. The check-in/check-out couldn't have been easier: just got the key from the concierge/doorman/security when I walked in the door.
My 5-day stay was pleasant and served its purpose, which was simply to have a nice, quiet place to myself, with a nice kitchen, while convalescing a bit. I would book with this host again.