State Tourn. Champions
| YEAR | PREP / 13 | 14 | 13-15 | 16 | 16-18 |
| 1988 | HAZEL DELL METRO * | HAZEL DELL METRO | HAZEL DELL METRO * | ________ | RYDER |
| 1989 | HAZEL DELL METRO | ABERDEEN | HAZEL DELL METRO * | ________ | RYDER |
| 1990 | HAZEL DELL METRO * | HAZEL DELL METRO | PUYALLUP | ________ | RYDER * |
| 1991 | BLACK HILLS | THURSTON COUNTY | HAZEL DELL METRO | ________ | RYDER ** |
| 1992 | HAZEL DELL METRO * | MID-COUNTY | HAZEL DELL METRO | ________ | RYDER ** |
| 1993 | LONGVIEW * | HAZEL DELL METRO | KELSO | THURSTON COUNTY SELECT | RYDER |
| 1994 | HAZEL DELL METRO * | MID-COUNTY | HAZEL DELL METRO ** | ________ | RYDER * |
| 1995 | KENNEWICK * | HAZEL DELL METRO | HAZEL DELL METRO | PIERCE COUNTY | RYDER ** |
| 1996 | PASCO | KENNEWICK | HAZEL DELL METRO ** | TRI-COUNTY | PIERCE COUNTY |
| 1997 | HAZEL DELL METRO | KENNEWICK | KELSO * | TRI-COUNTY | RYDER |
| 1998 | CENTRALIA | KELSO | HAZEL DELL METRO | TRI-COUNTY | RYDER |
| 1999 | KENNEWICK | HAZEL DELL METRO | HAZEL DELL METRO | RYDER | |
| 2000 | HAZEL DELL METRO | KENNEWICK ** | HAZEL DELL METRO | VANCOUVER ROYALS | RYDER |
| 2001 | HAZEL DELL METRO** | HAZEL DELL METRO | KENNEWICK | VANCOUVER CARDINALS | VANCOUVER STORM |
| 2002 | KENNEWICK * | HAZEL DELL METRO** | HAZEL DELL METRO | VANCOUVER CARDINALS | VANCOUVER MAVERICKS |
| 2003 | KENNEWICK * | LONGVIEW | KELSO | LONGVIEW | VANCOUVER MAVERICKS |
| 2004 | KELSO | KENNEWICK | CENTRALIA | TRI-COUNTY | SW WASHINGTON |
| 2005 | KELSO | KELSO
(HAZEL DELL METRO * Regional Host) |
HAZEL DELL METRO | MT VIEW (RAINIER) | VANCOUVER TROJANS |
| 2006 | KELSO | KENNEWICK | HAZEL DELL METRO
(KELSO * Regional Host) |
ABERDEEN |
ABERDEEN |
| 2007 | KENNEWICK * | KELSO | KELSO * | _______ | S WASHINGTON
RYDER/SHOWTIME |
| 2008 | THURSTON COUNTY * | KELSO | KELSO | _______ | SHOWTIME |
| 2009 | KENNEWICK | EAST GRAYS HARBOR | HAZEL DELL METRO | _______ | VANCOUVER CARDINALS |
| 2010 | MT ST HELENS | HAZEL DELL METRO* | KELSO* | ________ | RIDGEFIELD PACIFIC POWER |
| 2011 | HAZEL DELL METRO | KELSO | CENTRALIA | ABERDEEN MERCHANTS | |
| 2012 | TWIN-CITIES [Centralia-Chehalis] | TWIN CITIES | TWIN CITIES | VANCOUVER JAYHAWKS | |
| 2013 | HAZEL DELL METRO | HARBOR BABE RUTH | HARBOR BABE RUTH | ||
| 2014 | LONGVIEW | TWIN CITIES | TWIN CITIES | GRANITE CONSTRUCTION–VANCOUVER | |
| 2015 | CAMAS-WASHOUGAL | TWIN CITIES | LONGVIEW | [E] KENNEWICK
[W] SPRADLIN ROCK HAWKS– HOQUIAM |
|
| 2016 | Richland | Kennewick | Primetime | Grays Harbor Longshore | |