in NY, NJ & De, 90 Days on the housing payment, after 90 days you can seek double if it's Hud or Sec 8 housing for the total amount missed( if it was their fault ( sometimes the resident is at fault due to them not following through with their part of the paperwork), but the resident is still responsible for his/her portion and after the 5th you can charge a late fee on his portion per housing