Washington held special elections on November 5, 2019, deciding 3 legislative seats across 2 districts.
Legislature
- House (98 seats): 57 D, 41 R before the election, 57 D, 41 R after; control stayed with Democrats.
- Senate (49 seats): 29 D, 20 R before the election, 29 D, 20 R after; control stayed with Democrats.
Legislative races
Ballot measures
| Measure | Description | Result |
|---|
| Advisory Vote 20 | Advises legislature to either repeal or maintain House Bill 1087, which was designed to levy 0.58% tax on wages to fund a program for long-term healthcare services | Failed (37.08% yes) |
| Advisory Vote 21 | Advises legislature to either repeal or maintain House Bill 1324, which was designed to extend a surcharge on timber products through July 2045, which was otherwise set to expire in June 2024 | Failed (41.1% yes) |
| Advisory Vote 22 | Advises legislature to either repeal or maintain House Bill 1652, which was designed to require producers of interior or exterior architectural paint sold in containers of 5 gallons or less to fund and take part in programs related to paint waste management | Failed (37.97% yes) |
| Advisory Vote 23 | Advises legislature to either repeal or maintain House Bill 1873, which was designed to levy a tax on e-cigarettes and vapor products | Passed (66.91% yes) |
| Advisory Vote 24 | Advises legislature to either repeal or maintain House Bill 2158, which creates and funds the Workforce Education Investment Account, which was designed to fund higher education programs through a tax on certain business activities | Failed (37.35% yes) |
| Advisory Vote 25 | Advises legislature to either repeal or maintain House Bill 2167, which was designed to impose an additional tax on certain financial institutions | Failed (44.62% yes) |
| Advisory Vote 26 | Advises legislature to either repeal or maintain Senate Bill 5581, which was designed to apply retail sales taxes on online retailers | Failed (44.77% yes) |
| Advisory Vote 27 | Advises legislature to either repeal or maintain Senate Bill 5993, which was designed to increase taxes on petroleum products | Failed (39.22% yes) |
| Advisory Vote 28 | Advises legislature to either repeal or maintain Senate Bill 5997, which was designed to limit the tax exemptions that residents from other U.S. states and Canada can receive while in Washington | Passed (55.29% yes) |
| Advisory Vote 29 | Advises legislature to either repeal or maintain Senate Bill 5998, which was designed to increase the excise tax on real property | Failed (35.2% yes) |
| Advisory Vote 30 | Advises legislature to either repeal or maintain Senate Bill 6004, which was designed to increase the business and occupation tax on specified tour operators and travel agents | Failed (44.19% yes) |
| Advisory Vote 31 | Advises legislature to either repeal or maintain Senate Bill 6016, which was designed to increase the business and occupation tax on specified international investment management services | Passed (56.75% yes) |
| Initiative 976 | Limits annual registration renewal fees to $30 for vehicles under 10,000 pounds; other restrictions on vehicle taxes and fees | Passed (52.99% yes) |
| Referendum 88 | Upholds or rejects the legislature's approval of Initiative 1000, which authorizes affirmative action by the state | Failed (49.44% yes) |
| Senate Joint Resolution 8200 | Authorizes Legislature to pass legislation for government continuation during catastrophic incidents | Passed (65.05% yes) |