The purpose of this research is to discribe the stress in housing of a three generation family. Data were collected through a questionnaire survey form 467 housewives living in a three generation family households. Major finding were as follow: The female elderly was the most popular type. Married children tended to live together with the forced feeling of responsibility rather than with a volunteering attitude. Many good points steming from three generations living together. however, were recognized by the housewives. This will provide suport to reevaluationg the value of the elderly in this industrial society. The felt stress and expressed various undesirable behavioral adjustments and constraints in relation to the stress. Several planning concepts including privacy, storage space, and soundproof were suggested to enchance the quality of residential environment for the family.