This study aims to analyze living environmental management by residents' organizations in 6large housing estates, in Minori town, Ibaraki prefecture. In particular, this study focuses on 1) details of developments 2) outline of residents' organization 3) rules for living environmental managements 4) living environmental problems of housing estates. The results are summarized as follows: 1) We found 3 categories of developement type, in Minori town. 2) There are 'administrative organization' and 'residents' organization' in each housing estate. 3) Common items of rules for living environmental management are 'commnity management' and 'condolemt occasions'. 4) Common problems are management of community facilities, traffic accidents, and school zones.
