How is the room number usually numbered? Property fee.

The room number is counted from the right side towards the unit. When counting units from the right, the first unit in the row is the unit, and so is the entrance door. The first number from the right hand is 1, and the room number is the room number of the building, which is the numbering rule stipulated by the national civil affairs department, so as to mark the houses uniformly and facilitate the protection and management of property rights.