Navigating the New Tax Law: Tips for Maximizing New Deductions

It will take some time for taxpayers to digest the ramifications of the most comprehensive new US tax law in years. However, many of the provisions apply for tax year 2025, providing timely opportunities for planning right now. In particular, the timing of realizing income for provisions that are subject to certain phase-outs.

Let’s explore two examples in the new law for consideration:

  • The increase in the cap on deducting state and local taxes (SALT) from $10,000 to $40,000 (for tax years 2025 through 2029)
  • The new deduction for seniors (age 65+) of $6,000 (for tax years 2025 through 2028)

Increase in the SALT deduction

The (temporary) $40,000 cap for the state and local tax (SALT) deduction will mean tax savings for certain residents in higher-taxed areas. At a marginal tax bracket of 35%, the increase in the cap translates into roughly $10,000 in tax savings.1 However, once a taxpayer’s modified adjusted gross income (MAGI) exceeds $500,000, the increase in the cap begins to phase out. At $600,000 of MAGI, it is fully phased out, and a maximum $10,000 cap on deducting SALT applies.

For these higher-income taxpayers, are there planning considerations to avoid this phase-out, reducing the tax benefit? The answer to this question may be especially relevant for married couples filing a joint tax return since they are subject to the same cap and income phase-outs as taxpayers filing a single return.