Nowadays, with the perception on residential environment to improve the quality of life, interests in suburban area as a housing area based on the good natural environment has risen, as this area can solve the various social issues and pollutions caused by the overcrowding in the urban area. In the North Western Europe where people have already experienced the industrialization and urbanity, cohousing which designate the modem neighborhood relationships pursuing the common interest has developed, by emphasizing the community activity based on the mutual cooperation while accepting the lives in suburban area. Thus, this study pays attention to 'cohousing' as an appropriate alternative of new suburban residential development and preference of residents of suburban residential development applied the concept of cohousing. For this study, literature reviews and survey on suburban area residents were carried out and general results were provided. Through the survey on the residents in suburban areas, request on new suburban residential development and preferences to cohousing were analyzed. Residents responded that suburban residential development should be planned reflecting the characteristics of the area and considerations on communities are the necessity. They also responded that residential development developed the low-rise housing with low population density. It shows that there will be broad potential consumers for suburban residential development applied cohousing technique in the future.