This work analyzes the concept of home within an institutional setting, the International House at the University of California, Berkeley, U.S.A., whose residents hail from over SO different countries. It also examines residential satisfaction overall and with specific physical and social aspects of the building, as well as a variety of environment-behavior issues such as personalization and territoriality. Finally, it considers the extent to which the goals of International Mouse are achieved. Archives, participant-observation, field notes, resident and staff interviews, resident and alumni questionnaires and photography were used to collect the data.