The purpose of this paper is to research of measures of environment for children in the house development in Tokyo. A population increase by the house development as a factor, a child care facilities be insufficient. In the ordinances and the guidelines of the house development, there is local government that demands the construction of child care facilities as developer's obligation. Child care facilities are constructed with the apartment house in the local government that demands consideration to neighboring areas. But in the local government that demands the infrastructure, it tends not to be actually constructed though there are regulations. The house development plays the role of the arrangement of environment for the child care, and the arrangement of the day nursery is effective for waiting-list child. It is necessary to consider about child care facilities planning for environment for child care.
