This research was conducted on various aspects of the housing adaptations for the aged persons involving care managers in Ichikawa City four years after the enforcement of the care insurance system. The purpose of the research is to define the character of care managers and clarify the modus operandi of the housing adaptation in order to strain the problems there of as well as the duty of managers. Questionnaires were distributed to 204 care managers in 69 care management service offices in Ichikawa. The numbers of the responses collected were 122 representing 59.8 percent. The findings are as follows: 80% of the care managers were females, and they were less experienced than the national average. Apart from a higher rate in the number of qualified care managers, Ichikawa's care managers were on a per with their counterparts in the other areas of the nation. Over 90% of care managers in Ichikawa had taken part in housing adaptation work and the number was expected to increase further. However, 40% were not actively interested in the work. The problems cited were: 1) Little chance of acquiring the knowledge of housing adaptation, 2) Little information on builders or reformers, 3) Difficulties in collaborating with housing adaptation specialists. The imminent undertakings recommended to solve the problems disclosed as a result of this research are: 1) Setting up a system of providing care managers with opportunities to learn the art of housing adaptation. 2) Working out a system for care managers to collaborate with the specialists in the fields of construction and rehabilitation.