The purpose of this study is to examine the remodeling behavior on the apartment built in furniture. The data were collected from 363 residents in Seoul area, living in apartments equipped with built-in furnitures. The major findings are as follows; 1)It was found out that 62-75% of those surveyed did not remodel their built-in furniture and 25-39% remodeled it. The major reasons for remodeling are the inconvenience in storing household items, lack of storage space and dissatisfaction of the design and color. 2)More than 80% of the apartment residents surveyed recognizes the necessity of the built-in furnitures, which were equipped already, in living room, kitchen, bathroom and the entrance area. A strong need is also indicated for the additional built-in furnitures in each bedroom, multi-service room and veranda. 3) This survey also indicated that 63-73% shows no intention of remodeling their built-in furnitures. On the other hand, 27-37% of those surveyed indicates their desire and plan to remodel them.