| Time | Date | Name | Meet |
|---|---|---|---|
| 1:21.48 | May 12, 2023 | Maurer, Larrick, Kim, Lee | CIF State Championships |
| 1:21.66 | May 3, 2023 | Maurer, Larrick, Brown, Lee | CIF-SS Division 1 Championships |
| 1:22.13 | May 11, 2017 | Lee, Lee, Bosch, Vavic | California CIF Southern - Div 1 Section Championships |
| 1:22.57 | May 15, 2014 | Maarse, Sung, Wilson, John | 14 California Southern - Div 1 Section Championships |
| 1:23.69 | May 11, 2011 | Abramyan, Dalby, Duffy, Fortis | California Boys & Girls Southern - Div 1 Section Championships |
| 1:23.90 | May 12, 2010 | Abramyan, Dalby, Fortis, Sharpe | CIF Southern Section Division 1 Championship |
| 1:24.99 | May 13, 2009 | Ogilvie, Abramyan | 09 CIF Southern Section Division I Championships |
| 1:26.08 | May 15, 2007 | Newman, Monroe, Muller, Kuhn | CIF-SS-Toyota Masters Meet |
| 1:26.32 | May 8, 2007 | Kuhn, Monroe, Newman, Muller | CIF-SS Division II Championships |
| 1:28.36 | May 12, 2004 | Andrejich, Thordarson, Nam, Banks | CIF DIV I |
