| 1/9/06 | Regular Legislative session begins |
| 3/4/06 | Precinct Caucuses |
| 3/8/06 | First day to file Initiatives to the Legislature |
| 4/8/06 | County Conventions (Except King County which will hold its convention after April 8, 2006, but not later than that first Saturday in May on May 6, 2006. Date to be announced.) |
| 4/9/06 | Regular Legislative Session ends |
| 4/22/06 | Legislative District Caucuses: Delegates to Congressional Caucuses elected |
| 5/6/06 | King County Democrats' Convention |
| 6/3/06 | State Party Convention/Congressional District Caucuses, Yakima |
| 7/7/06 | Last day to file signatures for Initiatives to the People |
| 7/28/06 | Last day for all candidates to file for office |
| 9/19/06 | State Primary |
| 10/7/06 | Last day to register to vote in General Election (except in person w/ auditor) |
| 11/7/06 | State General Election |
