Washington state voters have opted to maintain a 9.9% tax on high-earning households by defeating Initiative 645. This decision secures a new revenue stream for healthcare and education, targeting those earning over $1 million annually.
The $3.5 Billion Annual Windfall for Public Services
The rejection of Initiative 645 ensures the survival of a tax structure signed into law by Governor Bob Ferguson on March 30. According to the report, this legislation imposes a 9.9% tax on taxable household income that exceeds a $1 million threshold. To protect taxpayers from inflation, this $1 million deduction is indexed to adjust over time.
The Department of Revenue estimates that roughly 20,000 households will be subject to this tax, with the first payments scheduled for 2029. Supporters of the measure project that the tax will generate between $3 billion and $3 .5 billion every year. furthermore , Governor Bob Ferguson's office indicated that over 41% of the first year's revenue will be redistributed to small businesses and families via relief programs and tax credits.
The 'Decrease Funding' Disclosure that Swayed the Ballot
The campaign to defeat the tax repeal was heavily influenced by a contentious disclosure statement written by the Attorney General's Office. The ballot explicitly stated that a "yes" vote to repeal the tax "would decrease funding" for human services, higher education, and K-12 education. This phrasing became a flashpoint for critics who argued the warning was premature.
The group Let's Go Washington challenged this wording, asserting that because no revenue will be collected until 2029, a repeal would not impact current spending. However, as the source details, a Thurston County judge upheld the lanuage on August 7, and a state Supreme Court commissioner later rejected a separate appeal, leaving the disclosure intact for the 2026 election cycle.
Brian Heywood’s Warning of a Broader Income Tax
The debate over Initiative 645 highlighted a deep ideological divide regarding the future of Washington's fiscal policy. Brian Heywood, the founder of the repeal effort,argued during a Bellevue forum that the $1 million threshold is not permanently locked in. Heywood contended that this specific tax is merely a precursor to a broader income tax that could eevntually be expanded to include all working residents of Washington.
This perspective was countered by April Sims, president of the Washington State Labor Council, AFL-CIO. During a KING 5 debate, Sims characterized the repeal effort as a bid by a few wealthy individuals to secure a $13 billion tax break. While former Republican U.S. Rep. Jaime Herrera Beutler echoed Heywood's fears of expansion, supporters of the tax point to the law's indexing and specific exemptions as safeguards against a wider rollout.
The Klickitat County Challenge to the 1% Property Limit
Despite the electoral victory for the tax, its legal viability remains uncertain due to an ongoing lawsuit in Klickitat County Superior Court. Filed by former state Supreme Court Justice Phil Talmadge and former Attorney General Rob McKenna, the suit argues that the income tax violates a state requirement that property be taxed uniformly at no more than 1%.
The core of this legal dispute rests on a 1933 ruling that classified income as property. While the state argues that income does not fall under this definition, the case is expected to move toward the state Supreme Court. This leaves a critical question unanswered: will the judiciary determine that a 9.9% tax on income is an unconstitutional breach of the 1% property tax limit?
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