The station has two opposed
side platforms serving two tracks of the Hokuriku Shinkansen, with an elevated station building. There is also a single elevated unnumbered side platform served by the single bidirectional track of the Koumi Line, which cuts diagonally above the Shinkansen platforms, and which is connected to the station building by a passageway. The station has a
Midori no Madoguchi staffed ticket office.
Platforms File:Sakudaira - Shinkansen Track 2.JPG|Shinkansen platform 2, July 2012 File:Sakudaira Station - 2023 Dec 30 various 23 06 25 125000.jpeg|Panorama view of the Koumi Line platform, December 2023 ==History==