We arrived at the apartment quite late, but Roberto was patiently waiting for us. He gave us a warm welcome and also he was very helpful and nice through the whole time while we were staying in the apartment.
About the apartment itself, it is spacious, clean and fully equipped. There was a 24 hours security guy working downstairs so it was very safe. Supermarket and subway are all nearby. A few local restaurants are all in walking distance from the apartment.
Overall, it was a very nice experience to stay in the apartment. I would book the place again if I come back to New York and hopefully soon.