This study aims to examine appropriate ways of managing vacant rented houses in traditional architecture preservation districts, where many of the structures are traditional wooden houses, in order to ensure continued use and explain how subsequent users should maintain such rented houses. We conducted interviews with the owner and present residents and neighboring residents of the subject house and performed an evaluation based on the degree of deterioration and the current temperature and humidity. As a result, we found that important factors to degradation include stagnant moisture under floors, wetting of columns around openings and infiltration of humidity into attic space due to rainfall. Countermeasures against moisture need to be put in place under floors and around earthen floor, and in attic space if roof leaks are of concern.
