| Year | Class | League | Won-Loss Record | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| League | All Games | Post Season | PFavg | PAavg | Coach | Rating | ||||||
| 1985-1986 | B | SeaTac | Lower Division | 5 - 5 | 8 - 5 | 0 - 0 | 46.11 | 33.67 | Werner Lemke | -20.48 | ||
| 1986-1987 | B | SeaTac | Lower Division | 6 - 5 | 6 - 5 | 0 - 0 | 37.50 | 40.75 | Werner Lemke | -27.93 | ||
| 1987-1988 | B | SeaTac | Division II | 8 - 4 | 12 - 7 | 3 - 2 | 42.79 | 42.21 | Werner Lemke | -33.78 | ||
| 1988-1989 | B | SeaTac | Division II | 3 - 2 | 4 - 2 | 1 - 0 | 35.67 | 37.83 | Werner Lemke | -42.86 | ||
| 1989-1990 | B | SeaTac | Division II-South | 8 - 2 | 9 - 4 | 0 - 1 | 34.29 | 33.71 | Werner Lemke | -45.07 | ||
| 1990-1991 | B | SeaTac | Lower Division-South | 11 - 0 | 13 - 1 | 0 - 1 | 46.33 | 31.00 | Werner Lemke | -28.40 | ||
| 1991-1992 | B | SeaTac | Upper Division | 1 - 7 | 3 - 12 | 1 - 2 | 38.73 | 53.53 | Werner Lemke | -29.43 | ||
| 1992-1993 | B | SeaTac | 5 - 4 | 10 - 7 | 2 - 3 | 43.56 | 48.31 | Werner Lemke | -20.00 | |||
| 1993-1994 | B | SeaTac | Upper | 0 - 5 | 1 - 11 | 0 - 1 | 36.50 | 58.25 | Werner Lemke | -32.79 | ||
| 1994-1995 | B | SeaTac | Upper | 1 - 6 | 4 - 9 | 0 - 2 | 43.54 | 47.38 | -25.83 | |||
| 1995-1996 | B | SeaTac | Upper South | 5 - 5 | 10 - 7 | 3 - 2 | 49.25 | 46.00 | Jeffrey Kurbis | -14.91 | ||
| 1996-1997 | B | SeaTac | Upper South | 3 - 6 | 6 - 10 | 2 - 3 | 40.25 | 45.75 | Jeffrey Kurbis | -18.17 | ||
| 1997-1998 | B | SeaTac | Upper South | 4 - 7 | 6 - 11 | 1 - 2 | 43.35 | 45.82 | Jeffrey Kurbis | -22.10 | ||
| 1998-1999 | B | SeaTac | South Division | 5 - 5 | 10 - 9 | 3 - 3 | 47.16 | 45.26 | Jeffrey Kurbis | -10.48 | ||
| 1999-2000 | B | SeaTac | South | 6 - 2 | 15 - 7 | 2 - 2 | 54.41 | 39.64 | -7.82 | |||
| 2000-2001 | B | SeaTac | South | 1 - 5 | 7 - 10 | 1 - 2 | 43.12 | 45.06 | -18.19 | |||
| 2001-2002 | B | SeaTac | South | 7 - 0 | 12 - 6 | 2 - 3 | 49.89 | 42.61 | -6.49 | |||
| 2002-2003 | B | SeaTac | Div A | 9 - 1 | 21 - 6 | 6 - 2 | 52.44 | 41.11 | Jeffrey Kurbis | State | -1.53 | |
| 2003-2004 | B | SeaTac | Div A | 8 - 2 | 20 - 6 | 5 - 3 | 55.92 | 41.96 | Jeffrey Kurbis | State | 0.70 | |
| 2004-2005 | B | SeaTac | 9 - 1 | 19 - 6 | 4 - 3 | 52.80 | 37.92 | State | -3.09 | |||
| 2005-2006 | B | SeaTac | 8 - 1 | 23 - 5 | 6 - 3 | 48.79 | 36.75 | State 7th | -1.34 | |||
| 2006-2007 | 2B | SeaTac | 11 - 0 | 25 - 3 | 7 - 2 | 56.75 | 36.00 | State 3rd | 4.10 | |||
| 2007-2008 | 2B | SeaTac | 10 - 1 | 16 - 11 | 3 - 5 | 46.00 | 41.41 | Jeffrey Kurbis | State | -10.93 | ||
| 2008-2009 | 2B | SeaTac 2B | South | 12 - 0 | 19 - 9 | 4 - 3 | 44.57 | 35.18 | Jeffrey Kurbis | State | -7.95 | |
| 2009-2010 | 2B | SeaTac 2B | South | 10 - 2 | 19 - 8 | 5 - 3 | 46.22 | 35.63 | State | -8.85 | ||
| 2010-2011 | 2B | SeaTac 2B | 7 - 5 | 9 - 13 | 0 - 2 | 37.95 | 38.14 | -21.07 | ||||
| 2011-2012 | 2B | SeaTac 2B | 2 - 8 | 2 - 16 | 0 - 1 | 18.22 | 46.06 | -45.01 | ||||
| 2012-2013 | 1B | SeaTac 1B | 7 - 7 | 10 - 12 | 1 - 2 | 37.32 | 37.55 | -32.45 | ||||
| 2013-2014 | 1B | SeaTac 1B | 13 - 3 | 17 - 7 | 1 - 3 | 45.79 | 35.67 | -19.25 | ||||
| 2014-2015 | 1B | SeaTac 1B | 8 - 2 | 17 - 10 | 4 - 4 | 52.11 | 41.81 | Nick Trebesch | State | -11.24 | ||
| 2015-2016 | 1B | SeaTac 1B | 9 - 0 | 21 - 4 | 5 - 3 | 53.16 | 34.24 | Nick Trebesch | State | -4.19 | ||
| 2016-2017 | 1B | SeaTac 2B-1B | 11 - 1 | 17 - 8 | 2 - 3 | 42.12 | 33.79 | Nick Trebesch | State | -14.70 | ||
| 2017-2018 | 1B | SeaTac 2B-1B | 1B West | 2 - 10 | 3 - 17 | 0 - 1 | 22.20 | 38.45 | Phillip Bunkowske | -48.58 | ||
| 2018-2019 | 1B | SeaTac 2B-1B | 1B West | 5 - 8 | 9 - 14 | 1 - 2 | 28.96 | 34.74 | Phillip Bunkowske | -43.33 | ||
| 2019-2020 | 1B | SeaTac 2B-1B | 1B West | 2 - 8 | 4 - 16 | 0 - 2 | 27.00 | 33.10 | Phillip Bunkowske | -41.24 | ||
| 2020-2021 | 1B | SeaTac | 6 - 2 | 6 - 3 | 0 - 1 | 43.33 | 24.89 | |||||
| 2021-2022 | 1B | SeaTac | 4 - 1 | 10 - 9 | 3 - 4 | 42.47 | 40.63 | State | -22.63 | |||
| 2022-2023 | 1B | SeaTac | 1B | 7 - 1 | 15 - 6 | 4 - 2 | 43.57 | 31.10 | State | -22.38 | ||
| 2023-2024 | 1B | SeaTac | 8 - 1 | 18 - 6 | 3 - 3 | 40.88 | 32.38 | State | -22.49 | |||
| 2024-2025 | 1B | SeaTac | 3 - 0 | 4 - 0 | 0 - 0 | 37.00 | 18.75 | -18.20 | ||||
| ----- | ----- | ----- | ||||||||||
| 250 - 135 | 460 - 318 | 85 - 86 | ||||||||||