On February 28, 2015, the Canadian Soccer League announced in a press release that Kingston FC would not be returning for the 2015 season.

[5] Hamrouni also held the responsibilities of head coach, and acquired the likes of Guyanese International Julien Edwards, Vitaliy Sidorov, Mademba Ba, Ryan McCurdy, and Antonios Assaad.

Notable additions to the roster were Jaroslav Tesař, Kenny Caceros, Cătălin Lichioiu, Jason Massie, Taylor Benjamin, Akil DeFreitas, Lukáš Bajer, and Stephane Assengue.

Kingston FC's first Division team, however, won home quarter-final and semi-final encounters against Serbian White Eagles (2–1) and London City (4–2), respectively, before losing the CSL Playoff Championship Final by a 3–1 score to SC Waterloo in Niagara Falls on November 3, 2013.

Acquiring Kenyan international Adam Shaban as well as Paul Willis, and Stephen Hindmarch both with European soccer experience.

The Kingston FC 1st Division team clinched home field advantage in the CSL playoffs finishing the regular season in third place, with an 8 win, 6 loss and 4 draw record, for 28 points.

[19] After the de-sanctioning of the CSL by the Canadian Soccer Association, Kingston withdrew from the league in hopes of securing a franchise in the newly formed League1 Ontario.

[20] Kingston FC played its home games on artificial turf at the Queen's University West Campus Field, located in Kingston at the corner of Johnson Street and Sir John A. Macdonald Boulevard, just west of the Queen's University Main Campus.