This report describes the definite operation plan for the garden city project by Ohfuna Denentoshi Co,Ltd. Ohfuna Denentoshi Co,Ltd had 29 staffs. Building and repairs department, which had Mr. Kaoru Yamada, exclusive engineer, was consist of three sections of Building section, Civil Engineering section, and Garden section. Looking into its completed works at residencial area, we could see that its construction works were done by its scheme drawing with burying water supply and sewerage, and with barying electric power supply system, and with roads which were devided into driveways and sidewalks. For the neat rows of houses on the street, Ohfuna Denentoshi Co,Ltd had a contract not only to build houses, but also to build gardens, and constructed public facilities. However, we finded out that Ohfuna Denentoshi Co,Ltd's management condition had not been good from the beginning Ohfuna Denentoshi Co,Ltd had a large amount of debt in 1927, and wend down with only half completion of the residencial area in 1928.