 He finished his final season at Grimsby with 52 appearances and 10 goals.Coulson joined newly promoted League Two club York City on a two-year contract on 29 June 2012.He scored on his debut with a long-range strike away to League One team Doncaster Rovers in the League Cup first round to give York a 1–0 lead, with the match finishing 1–1 after extra time.