I don’t think that’s his stall. I think that’s the ground floor area where they get them harnessed and ready. I’ve seen photos of the insides of these city stable buildings, and the stalls are on the upper floors and look like regular stalls aside from being in a more cramped environment (narrow hallway etc). The horse’s condition is inexcusable, especially to still be working him, but I don’t believe he lives tied to that wall.

Protesters demand New York City carriage driver face charges after horse...
There are continued calls for the district attorney to launch an investigation after a carriage horse collapsed in Hell's Kitchen last week, and now, a woman who claims she saw the horse struggling earlier in the day is speaking out.