Neal's apartment first appears in the premiere of Season 2 "Broken".
His apartment is 407, shown on the callbox, although his name is not written on there.
Mr. Gold breaks into his apartment in order to force his son to talk to him, even if it's through a lawyer.
Emma notices a dreamcatcher and recognises it. This is when Gold realises that Emma is hiding something. He is about to get violent when Neal comes in.
It is here that the family secrets come out, and Neal realises that Henry is his son.
First Appearance: "Broken"
Latest Appearance: "Manhattan"