“Clean room. Upon entry to the bathroom, there is a 3 inch drop to the floor from the kitchen area. There are no warning signs to indicate the change. This could cause injury in the future. How did this meet building code?I stumbled , and caught myself before hitting the floor. The inside lock button hit the wall, there is now a 1/8 inch deep mark in the wall. Future users of the bathroom can also stub their feet when existing . ”