| NBL champions | League champions | Runners-up | Finals berth |
| Season | Tier | League | Regular season | Post-season | Head coach | Captain | Club MVP | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Finish | Played | Wins | Losses | Win % | |||||||
| West Sydney Razorbacks | |||||||||||
| 1998–99 | 1 | NBL | 8th | 26 | 12 | 14 | .462 | Did not qualify | Gordie McLeod | Derek Rucker | John Rillie |
| 1999–2000 | 1 | NBL | 6th | 28 | 12 | 16 | .429 | Lost elimination finals (Perth) 1–2 | Gordie McLeod | Derek Rucker | Cheikh Ya Ya Dia |
| 2000–01 | 1 | NBL | 8th | 28 | 9 | 19 | .321 | Did not qualify | Gordie McLeod | Derek Rucker | John Rillie |
| 2001–02 | 1 | NBL | 5th | 30 | 16 | 14 | .533 | Won qualifying finals (Perth) 2–0 Won semifinals (Melbourne) 2–1 Lost NBL finals (Adelaide) 1–2 |
Gordie McLeod | Derek Rucker | John Rillie |
| 2002–03 | 1 | NBL | 7th | 30 | 14 | 16 | .467 | Did not qualify | Gordie McLeod | Derek Rucker | Sam Mackinnon |
| 2003–04 | 1 | NBL | 3rd | 33 | 22 | 11 | .667 | Won elimination final (Cairns) 110–88 Won semifinals (Wollongong) 2–0 Lost NBL finals (Sydney) 2–3 |
Gordie McLeod | Sam Mackinnon | Sam Mackinnon |
| 2004–05 | 1 | NBL | 9th | 32 | 11 | 21 | .344 | Did not qualify | Mark Watkins | Sam Mackinnon | Sam Mackinnon |
| 2005–06 | 1 | NBL | 11th | 32 | 5 | 27 | .156 | Did not qualify | Mark Watkins | Scott McGregor | Clint Reed |
| 2006–07 | 1 | NBL | 12th | 33 | 5 | 28 | .152 | Did not qualify | Mark Watkins Cal Bruton |
Scott McGregor | James Harvey |
| 2007–08 | 1 | NBL | 10th | 30 | 10 | 20 | .333 | Did not qualify | Rob Beveridge | Liam Rush | Darnell Hinson |
| Sydney Spirit | |||||||||||
| 2008–09 | 1 | NBL | 8th | 30 | 11 | 19 | .367 | Did not qualify | Rob Beveridge | Jason Smith | Matthew Knight |
| Regular season record | 332 | 127 | 205 | .383 | 0 regular season champions | ||||||
| Finals record | 19 | 11 | 8 | .579 | 0 NBL championships | ||||||
As of the end of the 2008–09 season