For the most part of the club's existence they have played their adult football at Junior level. However they were promoted to Intermediate football in 1980 and remained at that level until 1983. They were again successful at gaining promotion in 1989 and stayed in the Intermediate grade until 1993. In 2001 they won their first adult title when their Reserve team annexed the Junior Reserve Championship, beating Newtownstewart at Drumquin.
The senior team in 2013 will compete in Division 3 of the Tyrone All-County Football League and will play in the Tyrone Junior Football Championship. With the Reserve team competing in Reserve Division 3 and the Reserves Junior Championship. In 2016 Castlederg seniors gained promotion into division 2, by finishing first, ahead of Tattyreagh.