President Donald Trump has signed into law the One, Big Beautiful Act (OBBA), and for taxpayers in high-tax states like California and New York, it may offer long-awaited relief — at least for a few years.

Simply put, taxpayers will be able to benefit from many of the tax changes in 2025, although they might not notice the changes until they file taxes next year.

President Trump repeatedly stated that he wanted to end Social Security benefit taxes, but that's not what the OBBB does. Instead, it adds a new $6,000 tax deduction for seniors ($12,000 for married couples) that they can claim on top of the standard deduction and existing senior deduction. Here's a closer look at how this adds up: