Washington Becomes Latest Democrat-Led State to Tax Millionaires, Sparking Legal Fight
Washington Gov. Bob Ferguson signs the Millionaires’ Tax into law in Olympia on March 30, 2026, surrounded by supporters. Photo: Gov. Bob Ferguson’s Office Washington Gov. Bob Ferguson on Monday signed legislation creating the state’s first income tax in nearly a century, imposing a 9.9 percent levy on households earning more than $1 million a