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Northbridge FC was established in 1952 by local postman Ron Hall who had previously relocated from his work in the coalfields in the Cessnock area of the Hunter Valley. The club originally competed in the Northern Suburbs Soccer Association (NSSA). The original playing strip was a red and white shirt, white shorts and red and white hooped socks. In 1973, Northbridge joined the Ku-Ring-Gai and District Soccer Association (now the Northern Suburbs Football Association).

Association with Central Coast Mariners

In 2014, Northbridge established an agreement with A-League club Central Coast Mariners to form a youth development academy in Sydney's North Shore. As part of the partnership the North Shore Mariners Academy was based at Northbridge FC. The move led to accusations from Sydney FC that the Mariners were encroaching on their territory. On forming the partnership the Mariners stated that they believe Northbridge to be the biggest club (in terms of player numbers) in the Southern Hemisphere.

In 2015, as a result of the Central Coast Mariners affiliation, the club's senior teams changed their name and colours to reflect the Mariners and in doing so, became the North Shore Mariners.

Return to Northbridge name

On October 27, 2020, the club announced it was returning to the Northbridge FC name, as the partnership with Central Coast Mariners was being discontinued.

On December 21, 2020, the announced to form a partnership agreement with A-League club Macarthur FC. The agreement will see all teams play as Northbridge FC Bulls with playing kits incorporating both the Northbridge and Macarthur FC logos respectively.

Bulls FC Academy

In 2023, Having operated as a joint venture for the past two National Premier League seasons, Bulls FC Academy will become a single entity from the start of the 2023 season. The Bulls FC Academy will compete in the National Premier Leagues NSW next season following a merger between Northbridge Football Club and Macarthur FC.