SALT deduction: What it could mean for your taxes

The Brief

One of the most contentious issues in the "big, beautiful" tax bill the House passed Thursday is how much to raise the state and local tax deduction, or SALT, for tax filers.

GOP lawmakers and some Democrats from New York and other high-tax states have been rallying to quadruple the $10,000 deduction for state and local taxes, despite concerns from conservative Republicans over the cost.

It appears the "SALT" caucus has won that battle – for now – as the SALT cap increase was included in the final product of the bill. The issue faces an uncertain future as the tax bill moves to the Senate.

How the SALT deduction works

The backstory:

For the roughly 10% of Americans who itemize their federal income tax return, they can deduct the total of state and local taxes they pa