Abstract
The Study is carried out with aiming at clarifying issues to introduce HOA (Homeowner Association) for living management at the detached housing area. The study clarified roles of the Radburn association that is original HOA in USA, analyzing case study Y Housing Area at Yokohama City, and then investigating issues of introducing HOA at the detached housing area in Japan. As the results, it is found that plan and design of the detached housing area, tax system, local self-government system, development permission system, real estate appraisal system, neighborhood association (Jichikai) system, partnership with developer and local government, and role and member of the association should be paid more attention for introducing HOA in Japan.