The Dublin adult football league is divided up into a tier system of 13 teams.
The winner of each league title goes on to qualify for the next highest ranking division.
The 2021 Division 5 Final, played on 29 August was won by Thomas Davis and who alongside runners up St Finians Swords will qualify for the Division 4 of the Dublin Adult Football League.
The 2021 Division 8 Final, played on 29 August was won by St Kevin's Killians and alongside runners up Na Fianna will qualify for the Division 7 of the Dublin Adult Football League.
The Dublin Division 11 North was won by St. Margarets who finished the year unbeaten The Dublin County Board Division 11 South title was won by Cuala, who defeated St Finian's Newcastle 3–1 on a penalty shoot out after the game finished level 2–8 to 1–11 after extra time.