 Mullins signed a two-year contract with League One club Stockport County on 16 June 2008, with Stockport paying Mansfield compensation.He made his debut for the club in a 1–1 draw away to Huddersfield Town on the opening day of 2008–09.Mullins scored his first goals for the club in a 4–2 win away to Yeovil Town on 13 December.