Parslow was signed by Conference National club York City on 18 August 2006 following a successful trial. He made his debut as a 67th-minute substitute for James Dudgeon in York's 3–0 away defeat by Crawley Town on 9 September 2006. At different points during 2006–07 Parslow lost his place in the team to David McGurk, Jason Goodliffe and János Kovács, but started York's last seven fixtures, including both legs of the 2–1 aggregate defeat by Morecambe in the play-off semi-final. Having finished 2006–07 with 26 appearances for York,