Washington Taxed Its Millionaires. Now the Rich Want It Repealed. NYT - Home Page By: Anna Griffin 27 September 2026 at 23:02 Washington State voters will get a chance to accept or reject the 9.9 percent income tax on millionaires approved by the Legislature, which broke the stateβs taboo against levying income taxes. Β© Maddy Grassy/Associated PressWashington Stateβs new βmillionaires taxβ is expected to bring in more than $3 billion annually, helping ease the stateβs fiscal woes.