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Washington House approves income tax after 24-hour debate

An income tax on high earners is one step away from final passage in Washington state after the House approved it 51-46 Tuesday, capping a marathon floor debate.

Why it matters: If enacted, the tax would test long-standing legal and political barriers to personal income taxes in Washington.

Zoom in: The bill now heads back to the Senate for final approval.

  • It would impose a 9.9% tax on annual income over $1 million — what supporters call a tax on millionaires.
  • The measure would raise about $3.5 billion per year and affect roughly 20,000 taxpayers statewide, according to legislative staff estimates.
  • It would take effect in 2028.

Continue reading this story in Axios.