Washington’s historic income tax on high earners is now law ^66%

KUOW Public Radio - By Sarah Mizes-Tan - 3/30/2026, 11:19 PM

Politically Right Leaning Bias 20.3% - Politically Left Leaning Bias 20% - Framing Effect 17.6%

Gov. Bob Ferguson on Monday signed Washington’s historic income tax on the state’s highest earners. Republicans plan to challenge the new law in court and at the ballot box. The measure would levy a 9.9% tax on all incomes over $1 million beginning in 2029. It would raise roughly $3 billion in revenue from about 20,000 households, less... more