Home History
| Europe Friendlies | 2018/07/28 16:00 | Crumlin United v St Francis FC | W | 9-1 |
| Europe Friendlies | 2018/07/26 17:45 | Sacred Heart Firhouse Clover v Crumlin United | W | 2-6 |
| Europe Friendlies | 2018/07/25 17:45 | Crumlin United v St James's Gate FC | W | 7-0 |
| Republic of Ireland Leinster Senior League | 2018/05/23 18:00 | Sacred Heart Firhouse Clover v Crumlin United | W | 1-2 |
| Republic of Ireland Leinster Senior Cup | 2018/05/22 19:00 | Crumlin United v St Patricks CY FC | W | 4-1 |
| Republic of Ireland Leinster Senior League | 2018/05/16 18:00 | Crumlin United v Killester Donnycarney FC | D | 1-1 |
| Republic of Ireland Leinster Senior League | 2018/05/10 18:45 | Bangor Celtic FC v Crumlin United | L | 5-3 |
| Republic of Ireland Leinster Senior Cup | 2018/05/03 19:00 | Crumlin United v Drumcondra | W | 5-0 |
Away History
| Europe Friendlies | 2018/07/24 19:30 | Ballymun United v Greenhills/Greenpark FC | W | 5-1 |
| Republic of Ireland Leinster Senior League | 2018/04/15 10:03 | Glenville v Ballymun United | L | 1-0 |
| Republic of Ireland Leinster Senior League | 2018/02/18 11:00 | UCD AFC v Ballymun United | W | 0-1 |
| Republic of Ireland Leinster Senior Cup | 2018/02/14 20:00 | St Patricks CY FC v Ballymun United | L | 2-0 |
| Republic of Ireland Leinster Senior Cup | 2018/01/28 14:09 | UCD v Ballymun United | D | 1-1 |
| Republic of Ireland Leinster Senior League | 2018/01/19 20:04 | Tolka Rovers v Ballymun United | D | 0-0 |