10 minute walk from the West exit of the JR Sinjuku Station.
Tochomae Station of the Toei Oedo Line
From the West exit of the Sinjuku Station (underground bus terminal) , take the Toei bus or Keio bus (Tokyo Metropolitan Government Office Circulation), and get off at the Tocho Dai-ichi honchosha, Tocho Dai-ni honchosha, or Togikai Gijido stop.
Management Division and Service Division
36～37F, Tokyo Metropolitan Government No.1 Building
2-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-0081