A station on the Bakerloo Line and London Overground in Travelcard Zone 3. Mainline services began 15 June 1912 and the underground 16 April 1917.
There was a station on the Dudding Hill Line of the same name, which closed in 1902.
The Wikipedia page is [1] and the TfL page is [2].
The Wikipedia page on Stonebridge Park Depot is [3].