State legislatures across the country are locked in an intensifying fight over whether taxing high earners and the ultra-wealthy is the right answer to mounting fiscal pressure. From Washington to New York, proposals targeting millionaires and billionaires are advancing alongside quieter efforts to tax luxury property, creating a patchwork of competing strategies that will shape how states fund schools, roads, and public transit for years to come. The debate is not abstract: the policy choices made in 2025 and 2026 will determine whether middle-income homeowners or top earners bear the heavier load.
Millionaire Taxes Gain Ground Out West and in New England
Washington state has become one of the most active laboratories for progressive tax policy. The state already taxes capital gains above $250,000 under a law originating from ESSB 5096, which the state Supreme Court upheld as constitutional in a 2023 ruling. Building on that legal foundation, lawmakers introduced Senate Bill 6346, which would impose a 9.9% tax on individual income above $1 million. Because Washington has no broad-based income tax, the bill represents a significant structural shift, not just a rate adjustment. If it advances, it would mark the first time the state directly taxes high personal income at that level, signaling a move away from the state’s heavy reliance on sales and business taxes.
Massachusetts offers a real-world test case for how these policies perform once enacted. Voters approved the Fair Share Amendment, a 4% surtax on income above $1 million, and the state has already begun distributing the proceeds. According to the state’s impact report, certified collections have been directed to education and transportation, including local road and bridge work through a Chapter 90-style formula. Meanwhile, total state revenue collections for fiscal year 2025 reached $43.708 billion, according to the Department of Revenue. That strong topline number, however, masks the volatility that comes with leaning on high-income taxpayers whose earnings fluctuate with markets. The Massachusetts experiment suggests that millionaire surtaxes can deliver meaningful revenue quickly, but the durability of that stream through a downturn has not yet been tested.
From Luxury Homes to Billionaire Wealth: States Try Different Levers
Not every state is targeting income. Rhode Island’s House Bill H5752 takes aim at wealth held in real estate, proposing a surtax on high-value non‑owner‑occupied properties, including second homes and vacant luxury residences. The bill reflects a dual concern: raising revenue while also addressing housing affordability by discouraging speculative ownership that keeps units off the market. It is a narrower tool than a broad income surtax, but it targets a visible form of concentrated wealth that directly affects local housing supply. If enacted, the surtax would create an incentive for owners of vacant luxury properties to either occupy, rent, or sell them, potentially easing pressure in tight markets.
New York’s approach goes further than many other state proposals currently on the table. Senate Bill S165 would establish a mark-to-market tax on individuals with net assets of $1 billion or more, requiring them to pay tax annually on unrealized gains as if their assets had been sold. Under the mechanism described by supporters, annual increases in asset value would be treated as taxable through deemed sales, with a phase-in cap and an installment payment option to ease the transition. This is not a tax on wages or a simple levy on property; it is aimed at the accumulated wealth of ultra-high-net-worth residents whose fortunes are tied up in stocks and closely held businesses. Advocates argue that such a tax would capture revenue from gains that might otherwise go untaxed for years, while critics warn it could be difficult to administer and might encourage relocation by the very taxpayers it targets.
The Stakes for State Budgets and Taxpayers
What unites these disparate efforts is a shared fiscal backdrop: rising costs for infrastructure, education, and health care, combined with voter resistance to broad-based tax hikes. States like Washington see high-earner income taxes as a way to rebalance systems that have long leaned on sales and excise taxes, which fall more heavily on lower- and middle-income residents. Massachusetts is using its new surtax to promise visible improvements in schools and transportation, betting that targeted spending will help sustain public support even if collections fluctuate. Rhode Island’s property surtax proposal, by contrast, is framed as both a revenue measure and a housing policy, signaling how tax debates are increasingly intertwined with affordability concerns in coastal states.
For taxpayers, the emerging picture is a map of sharply different obligations depending on where they live and how their wealth is held. A high-income professional in Seattle could soon face a direct income levy where none existed before, while a Boston entrepreneur already sees an extra 4% on earnings above $1 million. A Rhode Island investor with multiple high-end, vacant properties might confront a new annual bill tied to assessed value, whereas a New York billionaire could be taxed on paper gains that have never been realized in cash. As legislatures move through the 2025 and 2026 sessions, these choices will determine not only who pays more, but also how resilient state finances will be when the next economic downturn arrives, and whether voters perceive the trade-offs as fair.
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*This article was researched with the help of AI, with human editors creating the final content.
Grant Mercer covers market dynamics, business trends, and the economic forces driving growth across industries. His analysis connects macro movements with real-world implications for investors, entrepreneurs, and professionals. Through his work at The Daily Overview, Grant helps readers understand how markets function and where opportunities may emerge.
