A grantor trust is a trust arrangement in which the person who created the trust, or sometimes another person, is treated as the owner of all or part of the trust for federal income tax purposes. When that happens, the trust’s income, deductions, and credits attributable to the owned portion are reported on that person’s own tax return, as though the trust items had been received directly.
This result does not mean the trust is ignored for every legal purpose. The trust still exists under state law, can hold title to assets, and may have its own trustees and beneficiaries. But for income tax reporting, the owner bears the tax burden during the period of grantor status. In practice, this often affects planning, compliance, and Trusts Accounting.
Grantor status is triggered when the trust creator keeps certain powers or economic benefits that show continuing ownership in substance. Common triggers include retaining the power to revoke the trust, keeping a meaningful reversionary interest, preserving authority over beneficial enjoyment, or holding administrative powers that can be exercised for the grantor’s benefit.
Grantor treatment can also arise when trust income may be distributed to the grantor or the grantor’s spouse, used for their benefit, or applied to life insurance premiums in specified circumstances. In addition, powers held by a spouse are often attributed back to the grantor for these purposes. These grantor trust rules focus on retained control and benefit, not merely on trust labels.
An Intentionally Defective Grantor Trust (IDGT) is an irrevocable trust designed to be excluded from the grantor’s gross estate for transfer tax purposes while causing the grantor to remain responsible for income tax purposes under the grantor trust rules. The term “defective” refers to the intentional separation of estate tax and income tax treatment, not to an error in drafting.
Planners use this structure because the grantor’s payment of income tax on trust earnings effectively allows additional wealth to remain in the trust without further gift tax cost. That can enhance long-term estate planning efficiency by allowing trust assets to grow for beneficiaries while the grantor pays the tax personally. A common version is an irrevocable grantor trust used in sale transactions or wealth-freeze planning.
During the grantor’s lifetime, the trust’s taxable income items attributable to the grantor-owned portion flow through to the grantor’s individual return. That includes ordinary income, capital gains, deductions, and credits, to the extent those items would matter in computing an individual’s tax liability.
The fiduciary reporting rules reflect this pass-through treatment. In general, the trust either files a limited informational return or uses one of the optional reporting methods, and the owner reports the tax items personally. This is the core of grantor trust taxation: the trust may hold legal title to the assets, but the grantor pays the income tax.
Grantor status can end when the retained power lapses, the grantor dies, the trust becomes irrevocable without a qualifying retained power, or the facts otherwise change so the owner is no longer treated as holding the relevant interest. At that point, the trust generally becomes a separate taxpayer for future periods.
Once the change occurs, post-termination income is taxed under the ordinary trust income tax regime, and the trust may need full fiduciary reporting going forward. In some settings, the termination of grantor status can also trigger recognition consequences tied to prior owner treatment, so Grantor Trust Limitations should be reviewed carefully.
Is a revocable living trust always treated as a grantor trust?
Yes, generally during the grantor’s lifetime. A revocable living trust is usually treated as a grantor trust because the grantor retains the power to revoke or amend it, which causes the trust’s income tax items to remain reportable by the grantor.
Can a grantor trust avoid estate taxes or does the grantor’s estate still include the trust assets?
It depends on the structure. If the grantor retains interests or powers that cause estate inclusion, the assets may remain in the taxable estate. Some planning structures remove assets from the estate while still preserving income tax owner treatment during life.
What is the difference between a grantor trust and a non-grantor trust?
A grantor trust is taxed to the owner of the trust portion, while a non-grantor trust is generally a separate taxpayer. In a non-grantor trust, the trust or its beneficiaries, rather than the grantor, bear the income tax consequences.
Can a grantor trust be converted to a non-grantor trust and why would someone want to do that?
Yes. A trust can become non-grantor when the retained power or interest causing owner treatment ends, lapses, or is released. A change may be desirable to shift future income tax liability away from the grantor or to match changed planning objectives.
For more than four decades, Bennett Thrasher has provided businesses and individuals with strategic business guidance and solutions through professional tax, audit, advisory, and business process outsourcing services. Contact Jonathan Swartz, partner in charge of Bennett Thrasher’s Trusts & Estates Planning, or call us at 770.396.2200.
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