The shortage house in seoul is an important issue of which has been caused by the population concentration. The apartments and large housing complex had begun to build up to solve its problems, but the apartments on a small scale have being constructed recently due to the growing of a land value. As a result of these, the problems appear to the system and organization of a present residential district. This study has a purpose of researching about the change in the sphere of resident system and the organization, as the apartments being made up on the present residential district.