Upstairs/downstairs neighbors

I just moved from the suburbs to my first apartment building a little less than six months ago, and I was wondering how I could could concisely refer to all the other residents of the building. I can, of course, use the phrases "upstairs neighbors" and "downstairs neighbors", but I live in the middle of the building, and I would feel awkward saying "upstairs and downstairs neighbors" or "same-building neighbors". Is there a word for this?

EDIT: I would just say "neighbors", but I would like to make it clear that I mean just the people in my building, not other people in my region of Manhattan, or people in adjacent buildings.

I would refer to them as, "My fellow (building) _____ ."

• occupants
• renters
• residents

I like residents the best.

You could simply call them all your cotenants.

Try fellow-residents.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​

I suggest co-dwellers.

dweller: a person who inhabits a particular place.