Estate planning is, at its core, an act of care. It is a way of making sure the people you love are provided for, and that the intentions behind a lifetime of work are honored long after you are gone.

For many families, particularly those with children from prior relationships or significant assets to transfer across generations, a qualified terminable interest property trust, commonly known as a QTIP trust, is a commonly used tool to help accomplish both goals at once.

What Is a QTIP Trust?

A qualified terminable interest property trust (QTIP) is an irrevocable trust that provides income to a surviving spouse for the remainder of their life while preserving the trust's principal for beneficiaries chosen by the original grantor. Those beneficiaries are typically children, grandchildren, or children from a prior marriage, but they can be any individual or cause the grantor designates.

The word "terminable" refers to the nature of the surviving spouse's interest in the trust. That interest is real and meaningful: the spouse receives all income generated by the trust assets, at least annually, for as long as they live. But it terminates at their death. At that point, the remaining assets pass to the beneficiaries the grantor named when the trust was established, regardless of what the surviving spouse may have wished or who they may have remarried in the intervening years.

This structure is what makes a QTIP trust particularly well-suited to blended families. It allows a grantor to provide genuine financial security for a surviving spouse without inadvertently redirecting assets away from children from a prior relationship.

How a QTIP Trust Works

When a QTIP trust is established, assets are transferred into the trust and managed by a trustee. The trustee can be the surviving spouse, a financial institution, an attorney, a family member, or a combination of these. The trustee is responsible for managing the trust assets and distributing income to the surviving spouse in accordance with the trust's terms.

The surviving spouse receives income from the trust throughout their lifetime. Depending on how the trust is structured, the grantor may also allow the trustee to distribute principal to the surviving spouse under certain circumstances, such as medical need or a significant change in financial situation. That flexibility is built into the trust at the outset and cannot be altered later, which is why the planning decisions made when drafting the trust deserve careful thought.

Upon the surviving spouse's death, the trust assets are distributed to the remainder beneficiaries named by the grantor. The surviving spouse generally has no power to change who receives those assets.

Depending on state law and how the trust is drafted, it may also provide some protection against certain creditor claims, though that protection is not absolute. This combination of income access and principal protection is what distinguishes a QTIP trust from simpler spousal inheritance arrangements.

The Tax Advantage: Deferring Estate Taxes

One of the primary reasons QTIP trusts are used in estate planning is their tax treatment. Assets transferred into a QTIP trust qualify for the unlimited marital deduction, which means they are not subject to federal estate tax at the death of the first spouse. The estate tax liability is deferred until the surviving spouse's death, at which point the remaining trust assets are included in the surviving spouse's taxable estate and pass to the remainder beneficiaries.

QTIP treatment is not automatic. To qualify for the marital deduction, the executor must make a QTIP election on the federal estate tax return, Form 706. Once made, the election is generally irrevocable, so it should be coordinated carefully with the estate's broader tax and legacy planning.

This deferral can be meaningful for high-net-worth couples whose combined estate may exceed the federal estate tax exemption. As of 2026, the federal estate tax exemption is $15 million per individual, though this figure is indexed for inflation and subject to change in future legislation. Married couples may be able to shield up to $30 million from federal estate tax, provided a timely portability election is made and other requirements are satisfied — consult your tax advisor to confirm this applies to your situation. For estates that may approach or exceed these thresholds, the QTIP's ability to defer taxation while continuing to produce income for the surviving spouse is a valuable feature.

QTIP assets can also receive a basis adjustment at two separate points: once when they initially fund the trust after the first spouse's death, and again when they pass out of the trust following the surviving spouse's death. Realizing this benefit depends on the trust being properly structured and the QTIP election being correctly filed.

This is one more reason this strategy works best as part of a coordinated estate and tax plan rather than in isolation. For beneficiaries who later sell inherited assets, this may reduce the capital gains tax burden, since gains are calculated from the adjusted value rather than the original purchase price.

QTIP Trust vs. Marital Trust

A QTIP trust is a specific type of marital trust. More broadly, marital trusts are designed to benefit a surviving spouse and may qualify for the unlimited marital deduction if certain requirements are met. The key distinction with a QTIP trust is that the surviving spouse receives lifetime income, while the original grantor controls where the remaining assets go after the surviving spouse's death.

In a more traditional marital trust structure, the surviving spouse may have greater control over the trust assets and more influence over how they are ultimately distributed. This can be appropriate in situations where both spouses share the same beneficiaries and the surviving spouse's judgment about distribution is fully trusted.

In a QTIP trust, control over the final distribution of assets stays with the grantor. The surviving spouse receives income for life, but the grantor's instructions about where the assets go at the second death are irrevocable. This structure is the more appropriate choice when:

• The grantor has children from a prior marriage who should ultimately inherit a portion of the estate
• There is concern that the surviving spouse might remarry and redirect assets to a new family
• The grantor wants to protect assets from the surviving spouse's potential creditors or financial decisions
• There is a meaningful age difference between spouses, and the grantor wants to preserve assets across a longer time horizon

Neither structure is inherently superior. The right choice depends on your family circumstances, your relationship with your spouse, and how you want your estate to function after you are gone.

Important Considerations & Limitations

A QTIP trust is a powerful tool, but it is not the right fit for every situation. A few limitations are worth understanding before deciding whether it belongs in your estate plan.

Since it is irrevocable, the terms of the trust cannot be changed after it is established. This means the income and distribution structure you set at the outset is the structure the surviving spouse and beneficiaries will live with. Life circumstances change, and trust that made sense at the time of drafting may create friction later if family dynamics or financial needs shift unexpectedly.

The QTIP trust also does not eliminate estate taxes at the second death. It defers them. The remaining trust assets will be included in the surviving spouse's taxable estate, and estate taxes may apply at that time, depending on the size of the estate and the applicable exemption.

Finally, the trustee arrangement can become a source of tension. If the surviving spouse and the remainder beneficiaries have different interests, particularly around how aggressively the assets are invested or whether principal should be distributed, those disagreements can create complications that outlast the original intention of the trust. Choosing a trustee thoughtfully and structuring the trust document carefully are both essential steps.

Frequently Asked Questions About QTIP Trusts

What is a qualified terminable interest property trust?

A qualified terminable interest property trust, or QTIP trust, is an irrevocable trust that provides income to a surviving spouse for life while preserving the trust's assets for beneficiaries named by the original grantor. The assets qualify for the unlimited marital deduction, deferring federal estate taxes until the surviving spouse's death. At that point, the remaining assets pass to the designated remainder beneficiaries in accordance with the grantor's original instructions.

Who is a QTIP trust best suited for?

QTIP trusts are most commonly used by individuals with children from prior marriages, high-net-worth couples with significant assets to transfer across generations, and anyone who wants to provide for a surviving spouse while maintaining control over where assets ultimately go. They are also appropriate when there is concern about remarriage, creditor exposure, or the surviving spouse's ability to manage a large inheritance independently.

Does a QTIP trust avoid estate taxes entirely?

No. A QTIP trust defers federal estate taxes rather than eliminating them. Assets transferred into the trust qualify for the unlimited marital deduction at the first spouse's death, meaning no estate tax is owed at that point. However, the remaining trust assets are included in the surviving spouse's taxable estate at their death, and estate taxes may apply at that time depending on the size of the estate and the applicable exemption.

A QTIP trust can be a valuable part of a comprehensive estate plan, but it works best when designed as part of a larger plan. The decisions you make about trust structure, trustee selection, and asset allocation inside the trust all interact with your overall tax strategy, your retirement income plan, and your legacy goals in ways that deserve careful coordination. Getting those pieces right is where working with an experienced financial advisor, alongside your attorney and tax professional, can make a meaningful difference. We invite you to schedule a consultation with a Quotient financial advisor today.