Don't be fooled, a tenement building is still a tenement building.
Pros
Location, access to subway, interesting shops nearby
Cons
It's a renovated tenement building. My issues included: 1) Impossible to sleep at night in the room by the street (Clinton) because this is the first exit off Williamsburg bridge; 2) Dust from nearby construction getting all over my unit 3) Constant ceiling leak 4) The trash room below was not sealed off from the AC vent and I could smell the trash in the summer
Advice to the owners
Fix your property, and don't hire Misrahi Realty because they were very scummy.