The station consists of two ground-level opposed side platforms. The platforms are not connected, and passengers wishing to change platforms must exit the station and re-enter.
Ōsakasayamashi Station opened on July 5, 1917 as Kawachi-Handa Station (河内半田駅)}. It was renamed Sayamayūenmae Station (狭山遊園前駅)} on April 1, 1950 and to its present name on December 23, 2000.
Passenger statistics
In fiscal 2019, the station was used by an average of 9,494 passengers daily.[2]