The Toei Kamishakujii Apartments 都営上石神井アパート was built sometime after 1961/64 after the Shakujii-gawa 石神井川 had undergone a dramatic river straightening project, as seen here (1945/50, 1961/64, and 1974/78):

The nearest stations are Kamishakujii Station 上石神井駅 and Musashi-Seki Station 武蔵関駅 of the Seibu-Shinjuku Line. The Shakujii River cuts through the danchi, and the center of the complex is approximately here: Google Maps

Danchi maps:

Photos of the danchi, including a run-down storefront:

Billboard architecture immediately next to the danchi grounds: