We were a large group (13 people) in town for a conference. The location was good for us, and Payam was very nice and accommodating (we got both early check in and late check out).
It took us some time to find all the beds (with help from Payam), and essentially the entire floor space was taken up by beds and mattresses at this point. For the max 16 people in the listing, it would be a very cramped experience. I would say that about 7-8 people can stay there comfortably.
The main issue was that there was a bad damp smell throughout the house. One of us noted a mouse scurrying across the kitchen floor into a cupboard and we let Payam know. He came 2 days later and removed a dead mouse from behind the fridge, but the bad smell was present until we checked out 4 days after that (although not as bad). Rodent problems can be difficult to detect and address, but this one was very obvious.
Altogether, I can't recommend this Airbnb and wouldn't stay there again.