| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 6, 2012 | Washington | Initiative 502: Concerning the Legalization of Marijuana | Passed |
| Nov. 4, 2014 | Washington | Advisory Vote No. 8: Concerns Marijuana Excise Tax | Failed |
| Nov. 3, 2015 | Washington | : Advisory Vote No. 11 | Failed |