The purpose of this study was to suggest the basic material of elderly housing complex development by examining the preferred residential environmental characteristics of the elderly housing complexes according to the situation of old age of the pre-elderly. The study was conducted assuming eight different situations of old age according to health conditions, couple living conditions, and economic conditions. The subject is the pre-elderly who want to live in the elderly housing complexes in the future is unlike other studies, so the result of their preferred residential environmental characteristics would be more concrete and reliable. In general, the preferred residential environmental characteristics of the elderly housing complex change with the situation of old age. This suggests various elderly housing should be considered as the situation of old age develops.