This research is to analyze the characteristics of housing remodeling behaviors within detached houses that located at three small cities in the central part of Korea. The characteristics indicate similar aspects of maintenance and improvement behaviors in the occurrence time and space, while space alteration shows different aspects. In the frequency of occurrences, maintenance behaviors occurring in the point of building maintenance and preservation is performed most actively, the next is improvement behaviors, and space alteration behaviors is the lowest frequency. Type of remodeling behaviors shows the characteristics that maintenance behaviors are active in served spaces(bed room space, family living space) while alteration and improvement behaviors occur more in servant spaces.(household working space, outdoor space and sanitary space)