Kawaguchi Aoki-cho Heights is a residential apartment complex located in Kawaguchi, Saitama Prefecture, completed in 1975. Designed and constructed by Taiseisha Construction Company, this building exemplifies the modernist residential architecture prevalent during Japan's high economic growth period. The structure showcases characteristic features of 1970s Japanese apartment design, combining functional living spaces with efficient urban planning. As a mid-rise collective housing project, it represents an important chapter in post-war Japanese residential development and remains a notable example of mid-century modern apartment architecture in the Kanto region.