PREMIERSHIPS
G GRADE (W O’GRADY MEMORIAL TROPHY)
| 1976 | East Perth | 1989 | Wanneroo | 2002 | Melville |
| 1977 | East Perth | 1990 | Redcliffe | 2003-07 | No Competition |
| 1978 | Mt Lawley | 1991 | Wembley | 2008 | North Fremantle |
| 1979 | Muresk | 1992 | North Fremantle | 2009 | Nollamara |
| 1980 | Forrestfield | 1993 | Hamersley Carine | 2010 | Ocean Ridge |
| 1981 | Scarborough | 1994 | Forrestfield | ||
| 1982 | University | 1995 | Warnbro Swans | ||
| 1983 | Applecross | 1996 | Rossmoyne | ||
| 1984 | Cockburn Lakes | 1997 | Wembley | ||
| 1985 | Whitford | 1998 | Wesley Curtin | ||
| 1986 | Innaloo | 1999 | Wonderers | ||
| 1987 | Nollamara | 2000 | Nollamara | ||
| 1988 | Bayswater | 2001 | Kalamunda |