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Why the Wealthiest Families Pay Their Trust’s Income Tax . . . On Purpose

If someone told you that paying more income tax could actually make your family wealthier, you’d probably think they were trying to sell you something. But in the world of advanced estate planning, voluntarily paying the income tax on a trust’s earnings is one of the most powerful, and least understood, wealth transfer strategies available.

It’s called grantor trust planning, and the families who use it properly are quietly transferring millions to the next generation without it getting hit with gift tax.

The Grantor Trust Advantage

When you create an irrevocable trust and structure it as a “grantor trust” for income tax purposes, something unusual happens. The IRS treats you, not the trust, as the owner of the trust’s assets for income tax purposes. Every dollar of income, every capital gain, every dividend earned inside that trust shows up on your personal tax return.

At first glance, that sounds terrible. Why would you want to pay tax on income you don’t receive? But consider what’s actually happening. The trust’s assets are growing without any income tax drag. Every penny that would have gone to the IRS from inside the trust instead stays in the trust, compounding for your children and grandchildren. And your payment of that tax is not treated as a gift. The IRS confirmed this in a published ruling: paying the income tax on a grantor trust’s earnings is not a taxable transfer.

Why This Matters More Than You Think

The cumulative effect of this strategy compounds over time in ways that most families underestimate. Every year you pay the trust’s income taxes, you’re doing two things simultaneously: you’re shrinking your own taxable estate by the amount of the tax payment, and you’re allowing the trust to grow undiminished by taxes. Over a decade or two, the wealth preserved inside the trust by avoiding that annual tax drag can dwarf the original assets you transferred into it. And because none of those tax payments are treated as gifts, you’ve effectively moved that value to the next generation without touching your lifetime exemption.

Avoiding the Trust Tax Bracket Trap

There’s another reason grantor trust status is so valuable, and it has to do with one of the most punishing features of the tax code: the compressed income tax brackets for trusts. In 2026, a non-grantor trust hits the top federal income tax rate of 37 percent on income above roughly $15,000. An individual doesn’t reach that rate until income exceeds approximately $609,000.

That means a non-grantor trust with $100,000 in income pays the highest marginal rate on virtually all of it. A grantor trust, by contrast, pushes that same income onto the grantor’s personal return, where it blends with the grantor’s other income at potentially lower effective rates—or at least at rates that don’t kick in at such absurdly low thresholds.

For families with significant trust assets generating meaningful income, the difference between grantor and non-grantor status can save tens of thousands of dollars per year in income taxes alone, entirely apart from the estate planning benefits.

The Reimbursement Option

Some grantor trusts include a provision that allows—but does not require—the trustee to reimburse the grantor for income taxes paid on the trust’s behalf. This can be a useful safety valve for grantors who are concerned about liquidity. If paying the trust’s income tax ever becomes burdensome, the trustee can distribute funds to cover it.

But here’s the catch: this provision must be carefully drafted. If the reimbursement right is mandatory, or if the trust assets are exposed to the grantor’s creditors because of it, the entire estate planning benefit can be lost. The IRS could argue that the trust assets should be included in your estate. The difference between a well-drafted reimbursement clause and a poorly drafted one can be worth millions in estate taxes.

Turning It Off When You Need To

One of the most flexible features of modern grantor trust planning is the ability to “toggle” the trust’s status. A well-designed trust can be switched from grantor to non-grantor status (and sometimes back again) depending on your circumstances. If your income drops and the tax burden becomes unmanageable, you can release the power that triggers grantor trust status, and the trust starts paying its own taxes.

This kind of flexibility is what makes grantor trusts so versatile. They’re not rigid, all-or-nothing structures. They’re adaptable tools that can be calibrated to your family’s evolving financial situation over decades.

The Basis Trade-Off You Should Know About

There is one significant downside to grantor trusts that every family should understand. Assets held in a grantor trust that is not included in your taxable estate will not receive a “step-up” in basis at your death. The IRS confirmed this definitively in 2023. That means your heirs will inherit your original cost basis in those assets and will owe capital gains tax when they eventually sell.

For assets you intend to hold forever (like a family business or long-term real estate) this may not matter. But for marketable securities or assets that might be sold after your death, the lack of a basis step-up is a real cost that needs to be weighed against the estate tax savings. The swap power mentioned earlier can help manage this: you can swap low-basis trust assets for high-basis personal assets before death, giving the trust assets that will get better tax treatment when sold.

Is Your Family’s Legacy Protected?

At Garza Business & Estate Law, we work with a select group of affluent families each year to help them protect what they’ve built: their businesses, their wealth, and their legacy. We are selective in choosing our clientele because the work we do requires focus, depth, and a level of attention that simply isn’t possible when you’re trying to serve everyone.

If what you’ve read here resonates with you . . . 

If you recognize pieces of your own situation in these stories . . . 

Then you may be exactly the kind of family we’re built to help.

Apply to work with us here: https://lgarzalaw.com/schedule-online/