in december 2013, mahon joined conference premier side tamworth on a short-term deal until the end of the 2013–14 season. he made his debut for tamworth in the club's 2–0 home win over halifax town on 4 january 2014, playing the whole match. mahon featured regularly for tamworth during the second half of the campaign, starting in all of the 23 games he played in. he left tamworth upon the expiry of his contract in may 2014.