What Is an Irrevocable Trust?
An irrevocable trust is a trust that generally cannot be changed or revoked after it is created. Once you transfer assets into an irrevocable trust, you give up ownership and control of those assets — they are no longer part of your taxable estate, they are generally protected from your creditors, and you cannot take them back. In exchange for giving up control, you gain estate tax reduction, asset protection, and potentially income tax benefits.
Irrevocable vs. Revocable Trust
| Factor | Revocable Trust | Irrevocable Trust |
|---|---|---|
| Control | You retain full control | You give up control |
| Estate tax | Assets in your taxable estate | Assets removed from taxable estate |
| Asset protection | No protection from creditors | Protection from creditors (if properly structured) |
| Income tax | Reported on your personal return | Separate tax return (Form 1041) or grantor trust rules apply |
| Flexibility | Can be changed at any time | Generally cannot be changed |
| Medicaid planning | Counts as your asset | May not count (after look-back period) |
Types of Irrevocable Trusts
Irrevocable Life Insurance Trust (ILIT): Holds life insurance policies outside your taxable estate. The death benefit passes to beneficiaries free of estate tax.
Spousal Lifetime Access Trust (SLAT): Irrevocable trust that benefits your spouse, removing assets from your estate while allowing your spouse to access them.
Grantor Retained Annuity Trust (GRAT): You transfer assets to the trust and receive annuity payments for a term. If the assets grow faster than the IRS hurdle rate, the excess passes to beneficiaries estate-tax-free.
Charitable Remainder Trust (CRT): You transfer assets to the trust, receive income for life, and the remainder passes to charity at death. You receive an immediate charitable deduction.
Special Needs Trust: Holds assets for a disabled beneficiary without disqualifying them from government benefits.
Tax Treatment of Irrevocable Trusts
The tax treatment of an irrevocable trust depends on whether it is a "grantor trust" or a "non-grantor trust." A grantor trust is taxed to the grantor — all income is reported on the grantor's personal return, even though the assets are not in the grantor's estate. This is actually a planning advantage: the grantor pays income tax on trust income, effectively making additional tax-free gifts to the trust beneficiaries. A non-grantor trust files its own tax return (Form 1041) and is subject to the trust's compressed tax brackets (the top 37% rate applies to trust income over approximately $15,200 in 2025).
Asset Protection
Assets in a properly structured irrevocable trust are generally protected from the grantor's future creditors. However, transfers to an irrevocable trust can be challenged as fraudulent conveyances if made to hinder, delay, or defraud existing creditors. California has a 4-year look-back period for fraudulent transfer claims. Asset protection planning should be done proactively — before any creditor claims arise.
When to Use an Irrevocable Trust
KDA recommends considering an irrevocable trust when: (1) Your estate may exceed the federal estate tax exemption. (2) You have significant life insurance that would be included in your taxable estate. (3) You are in a profession with high liability risk and want to protect assets. (4) You want to make charitable gifts while retaining income. (5) You have a beneficiary with special needs who receives government benefits. (6) You want to transfer business interests out of your estate while retaining some control.
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