One-Time Tax, Permanent Damage?

A powerful union says it will shrink its own billionaire grab if Gavin Newsom signs on, but the math and the risks still do not add up for taxpayers.

Story Snapshot

California’s billionaire tax backers now float a scaled-back 2% levy if Governor Gavin Newsom agrees to support it.
The original 5% one‑time wealth tax targets about 200 billionaires and claims to raise $100 billion for healthcare.^[1]
Newsom and the state’s own analysts warn the tax could shrink California’s long‑term tax base as billionaires leave.^[2]^[8]
The fight exposes a deeper problem: blue states using one‑time asset seizures instead of fixing runaway spending and healthcare costs.^[6]^[9]

What the Billionaire Tax Would Really Do

California’s proposed billionaire tax is not an income tax hike; it is a one‑time seizure of private wealth based on net worth, including stocks, private businesses, art, and other assets over $1 billion. The ballot measure would impose a 5% tax on that wealth, with payments spread over five years, and is pitched as a way to raise about $100 billion to plug huge healthcare funding holes created by federal cuts.^[1]^[6] Supporters say roughly 200 billionaires would be hit, not the broader middle class.

Union backers promise that 90% of the money would be locked into state‑funded healthcare, including Medi‑Cal, with the rest reserved for food aid and education programs.^[2]^[6] Their own filings describe it as an “emergency” response to billions in expected cuts to care for low‑income residents, seniors, and children.^[9] On paper, this sounds like a narrow, targeted rescue. In practice, it creates a brand‑new way for state politicians to reach directly into unrealized assets whenever they face a budget gap.^[4]^[20]

Why Newsom and Analysts Are Slamming the Plan

Governor Gavin Newsom, no conservative, has blasted the billionaire tax as “really damaging to the state” and promised to kill it if it reaches the ballot.^[2] He points to the state’s nonpartisan Legislative Analyst’s Office, which found that while the tax might bring in tens of billions one time, it is also likely to drive high‑earning residents out of California and cut income tax revenue by hundreds of millions every year.^[2]^[8] That means less money over time for schools, public safety, and local services.^[5]

Newsom’s own finance officials warn that some billionaires are already leaving or planning to leave because the initiative taxes anyone who was a resident as of January 1, 2026, even if they move later.^[2]^[5] A Hoover Institution study estimates that when you count this flight, the state could end up $25 billion worse off than if the tax never passed at all.^[21] For Californians who stayed and paid rising sales and income taxes for years, the idea of chasing out top taxpayers while claiming to “save” healthcare looks like fiscal malpractice.

The New 2% Offer: Real Compromise or Political Cover?

Facing heavy fire from Newsom, moderate Democrats, and business leaders, the union behind the tax is now signaling it would accept a scaled‑back 2% levy if the governor would endorse it. That would still mean a multi‑billion‑dollar one‑time wealth grab, just with a smaller headline rate. The legal structure and precedent would remain: California would have broken the wall between taxing income and taxing balance sheets, opening the door to new wealth levies later.^[4]^[21]

Critics say that changing the rate does nothing to fix the core problem. A one‑time shot at billionaire net worth does not create stable, long‑term funding for healthcare or anything else. The same state that cannot control costs in Medi‑Cal today would almost certainly burn through the windfall and be back for more tomorrow. Instead of reforming programs, trimming waste, or easing mandates that drive up hospital costs, Sacramento would learn that when budgets get tight, it can simply tap private assets again.

What This Fight Means for the Rest of America

The California billionaire tax fits a pattern conservatives know well: blue states pursue aggressive wealth‑redistribution schemes, then act surprised when workers, investors, and businesses vote with their feet.^[4]^[6] Supporters admit their plan is a response to federal healthcare reductions, but instead of pushing for broad reforms, they want a first‑in‑the‑nation tax on unrealized wealth that many experts predict will be challenged under the United States Constitution.^[4]^[21] If it survives in court in California, progressives in other states will try the same model.

A California billionaire tax to fund healthcare has qualified for the Nov ballot. #taxtwitter @berniesanders @cagovernor – https://t.co/htXso1VBC1

— CPA Practice Advisor (@cpapracadvisor) June 19, 2026

For readers across the country, the lesson is simple. When politicians can grab 5% of a billionaire’s stock portfolio or 2% of someone’s lifetime savings with a single ballot measure, they have crossed a line from taxing earnings to seizing property. Today they promise it is “only” 200 billionaires and “only” one time. Tomorrow, as the Hoover study and state analysts warn, the revenue will fade, the spending will stay, and lawmakers will look for the next group to squeeze.^[8]^[21]