In the 2002/03 season, the club completed a treble of trophies, winning the Down Area Winter Football League, Sittlington Cup and Billy Allen Memorial Shield.
The club is currently managed by Scott Ritchie, who previously managed the 2nd team & Killyleagh In the 2019/20 season, Rosemount celebrated another league title, winning division 1C, however, promotion was left in doubt due to the Amateur League voiding the season due to the coronavirus pandemic, eventually, however, Rosemount were confirmed to be promoted and be playing in 1B for season 2020/21 In 2021/22, Rosemount secured back-to-back league titles and in turn back-to-back promotions, with the club reaching 1A, it is the highest level the club has ever played at.
Rosemount once again secured another promotion, finishing runners up behind runaway leaders Dromora in a tightly fought race for 2nd place.
It was the end of an era for the club, with Lee Cathcart & his management team leaving, as well as club stalwart Stephen Acheson retiring, and Curtis Giltrap & Luke McKee leaving to move to Australia Following the departure of Lee Cathcart and his staff to Dundonald, a move labelled bizarre by many, plus a mass exodus of players including long serving players such as Luke Adair & Neil Melville, it is a fresh start for the club after former player & 2nd team manager Scott Ritchie, who has assembled his own squad full of young players, with a mind to building for the future, with premiership survival the objective for the club.
-2001/02, 2002/03, 2007/08 -2002/03, 2003/04, 2007/08, 2008/09, 2009/10 -1995/96, 2002/03, 2005/06, 2007/08, 2009/10 -2010/11 -2012/13 -2012/13 -1983, 1984, 2014 -2016/17 Runners up: 2014/15, 2015/16 -2019/20 -2021/22 In 2011 Rosemount Rec released "A Clutch Of Memories", a book written by the Newtownards Chronicle journalist Dennis S. Nash, which covers the history of the club.