Nippon Railway
Sannohe Station was opened on September 1, 1898 as of the Nippon Railway. When the Nippon Railway was nationalized on November 1, 1906, it became a station of the Tōhoku Main Line on the Japan National Railways (JNR), and the kanji for its name was changed to the present configuration. Freight operations were discontinued from April 1962. With the privatization of the JNR on April 1, 1987, it came under the operational control of JR East. It came under the control of the Aoimori Railway Line on December 1, 2002.