The station consists of one ground-level island platform serving a two tracks, connected to the station building by an underground passage.[1] The station is a Kan'i itaku station.
Tazawa Station opened on 15 June 1902. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.[1]
Passenger statistics
In fiscal 2015, the station was used by an average of 530 passengers daily (boarding passengers only).[2]