Illinois Lawmakers Are Attempting to Rush Through a Harmful Tax on Unrealized Gains in 48 Hours
Illinois lawmakers are attempting to rush through a harmful mark-to-market capital gains tax proposal that captures unrealized gains.
7 min read
Expert
Jared Walczak
Senior Fellow
Jared Walczak is a Senior Fellow at the Tax Foundation, where he spent five years as Vice President of State Projects, and president of Walczak Policy Consulting.
Jared has written or co-written tax reform guides for more than a dozen states and has served as the principal author of the Tax Foundation’s State Tax Competitiveness Index and Location Matters. He is also a regular on the conference circuit and has testified before legislatures in 35 states. His efforts have been instrumental in securing tax reform in many states, including sweeping reforms in Iowa and Louisiana, along with substantive reforms in Georgia, Idaho, Kentucky, Missouri, North Carolina, Oklahoma, Utah, West Virginia, and Wyoming, among others.
Jared also serves as a member of the faculty of the Institute for Professionals in Taxation, sits on the state tax advisory board of the Institute for State Policy Leaders, and contributes to Tax Notes State magazine. He is the author of the “SALT Road” Substack, a free newsletter on state and local tax policy.
Latest Work
The State Flat Tax Revolution: Where Things Stand Today
The past four years have brought significant focus on state income tax reform and relief, and with that, something of a flat tax revolution.
11 min read
Can We Replace the Property Tax?
With property tax bills on the rise, homeowners are searching for answers—and some even want to abolish the tax altogether. In this episode, we break down why property taxes are increasing, common but flawed solutions, and why the property tax remains an economically efficient revenue source.
There’s No Good Way to Pay for Property Tax Repeal
Backfilling forgone local property tax revenue through new state taxes is difficult because it dramatically shifts overall tax burdens, undermines local accountability, and cannot easily adjust for changing population mixes.
20 min read
Chiefs Players Will Save $287,000 in Income Tax by Playing in Brazil Rather Than California
When the Kansas City and Los Angeles squads face off in São Paulo, the players will owe Brazil’s nonresident income tax on the share of income they earned there, while California will lose out on the nonresident income taxes that Chiefs players ordinarily would have remitted in what is nominally a Chargers home game.
5 min read
The Big Beautiful Bill’s Impact on State Taxes, Explained
Congress may have passed the One Big Beautiful Bill Act (OBBBA), but state lawmakers now face big choices. Most states link their tax codes to the federal system, meaning OBBBA’s provisions—good and bad—are about to ripple across state budgets.
State Tax Implications of the One Big Beautiful Bill Act
For Congress, work on the One Big Beautiful Bill Act is done. But in state capitols, the work has not yet begun. Many of the tax changes in the federal reconciliation act flow through to state tax codes—automatically in some states, and subject to an update in states’ Internal Revenue Code conformity date in others.
39 min read
The OBBBA Gets Expensing Right. States Should Follow Suit.
However states choose to respond to other tax provisions of the One Big Beautiful Bill Act, they should conform to the pro-growth provisions, which represent a marked improvement in the corporate tax code.
12 min read
State Implications of the GILTI to NCTI Conversion
The One Big Beautiful Bill’s changes to the taxation of international income have surprising implications for state codes, yielding tax increases and a revised tax base that, through quirks of state incorporation, bears very little resemblance to the federal base and almost nothing of its purpose.
10 min read
State and Local Sales Tax Rates, Midyear 2025
The five states with the highest average combined state and local sales tax rates are Louisiana (10.11 percent), Tennessee (9.61 percent), Arkansas (9.48 percent), Washington (9.47 percent), and Alabama (9.44 percent).
10 min read
Senate Softens Blow for Pass-Throughs Using Current SALT Workarounds
The Senate’s version of the OBBB restores the benefit of avoiding the SALT deduction cap with PTETs for all pass-through businesses, while placing new limits on the extent of the workarounds.
6 min read
Trump’s Policies Deal a Double Blow to Tax-Cutting States
President’s Trump’s policies would throw high-tax states a life raft as they swim against the tide—before potentially hitting all states with a tariff-induced economic tsunami that could force lawmakers’ hands and reverse recent tax relief.
SALT Cap Workarounds for Some Pass-Through Entities Are Threatened by One, Big, Beautiful Bill
For owners of pass-through businesses, the reconciliation package (1) raises the state and local tax (SALT) deduction cap, (2) denies the benefit of pass-through entity-level taxes that had previously worked around the SALT cap for such pass-through businesses, and (3) increases the Section 199A deduction for qualifying pass-through entities.
4 min read
State Implications of the One, Big, Beautiful Bill
As the US House hashes out its “One, Big, Beautiful Bill,” statehouse lawmakers are watching closely, given the impact of both its tax and spending provisions on state budgets.
12 min read
Can States Really Axe the Property Tax?
As home values have spiked, Florida and other states are weighing elimination of property taxes.
Washington’s Digital Ad Sales Tax Legislation Is a Legal and Economic Minefield
In Washington, Gov. Ferguson (D) will soon have to act on legislation enacting a far more sweeping tax on Washington-based businesses than lawmakers imagined.
7 min read
Taxes Still Affect Economic Growth, Contrary to Findings of Flawed IPS Study
The Institute for Policy Studies (IPS) only succeeds in demonstrating that America has more millionaires than it used to, not that high-tax states are doing well in attracting or retaining them.
7 min read
Oregon Considers Decoupling from the Federal Tax Code
The proposed changes to federal tax code conformity in Oregon are a good example of a change that could significantly reshape the state’s tax code in the future, despite being framed as temporary technical adjustments.
4 min read
A New State Payroll Tax Could Drive Jobs out of Washington
With a wealth tax, property tax increases, and this new payroll tax on the agenda, Washington lawmakers have reason to fear that many employers could be looking for the exits.
5 min read
Maryland Shouldn’t Mandate Worldwide Combined Reporting Through the Backdoor
Maryland’s proposed budget has garnered headlines for many reasons, but another momentous change is flying under the radar: backdoor adoption of potentially mandatory worldwide combined reporting.
6 min read