Under the background of aging society proceeding in earnest, the expectation on housing improvement that basis of elderly people's community life is increasing. But the condition from the view of the building contractors which concerning with housing improvement site directly has little known. In this paper, according to the questionnaire survey on construction companies in Fukui prefecture, the purpose is to clear that effort on housing improvement and improvement content of building contractors, and for this purpose, we analyzed 326 housing improvement cases by 119 contractors. The main conclusions are summarized as follows : (1) About the effort on housing improvement, medium-scale building contractors is more active than large-scale building contractors. (2) The participation to the workshop will make the effort on housing improvement better. (3) However the participation to the workshop will not necessarily reflect to place or content of housing improvement.
