Division Four Grand Finals
| Year | Winners | Score | Runners-Up | Venue |
|---|---|---|---|---|
| 1979 | Balga | 3-2 | Dianella JUST | |
| 1980 | Bunbury City | 2-0 | Balcatta Etna | |
| 1981 | Mount Lawley Serbia | 3-2 | Victoria Park Viola | |
| 1982 | Fremantle Benfica | 3-1 | Leederville Espanol | |
| 1983 | Fremantle Benfica | 4-0 | Mount Lawley Serbia | |
| 1984 | Bedford United | 3-1 | University | |
| 1985 | No competition | |||
| 1986 | Ferndale United | 2-1 | Swan IC |