Sinclair is an amazingly hospitable host who made our stay very enjoyable and offered a variety of great recommendations. The apartment is as charming as described, easily reached on the metro, and the hip neighborhood is buzzing with restaurants that came highly recommended not just by Sinclair, but by others we met around Paris.
Yes, the staircase was a hike, but that was expected and not a problem at all. Check-in was easy with a quick text to Sinclair, who was very flexible on both ends of the trip. The apartment building feels very safe and secure.
The only thing that prevented a five-star review were a few ongoing repairs that weren't accounted for in the description.