While the specific address isn't explicitly stated, several clues point to this location:
* The characters' references: Characters mention going to Broadway shows, visiting specific NYC landmarks, and generally discussing things relevant to living in the city.
* The setting's atmosphere: The novel captures the bustling, fast-paced energy of New York City life.
* The book's description: The book's summary often refers to the story taking place in "Manhattan" or "New York."
So, while the exact neighborhood is left ambiguous, it's safe to say that "Slob" is set within the dynamic and diverse landscape of New York City.