The purpose of this study was to find out the remodeling contents by the length of residence of remodeling the housing for 472 households living in small and medium-sized apartments in Pusan and Ulsan areas. The subjects of this survey have remodelled their housing 1.58 times during 4.57 years of residence in average. All of them had changes of finishing in living rooms, masters bedrooms, other bedrooms, kitchens and dining rooms and changes of facilities in kitchens, dining rooms, living rooms and bathrooms. The changes of structure and use age have been performed only by the limited numbers of households. Time of remodelling was mostly right after moving in and then about once in two or three years. But it differed according to the room of the housing and the types of remodelling.