The tax consequences of transferring property to an irrevocable trust fall into four buckets: a gift tax filing when you fund the trust, a reduction in your future estate tax, a change in who pays income tax on what the property earns, and the loss of the step-up in basis your heirs would otherwise receive at your death. For 2026, the federal gift and estate tax exemption sits at $15 million per person, so most grantors won’t write a check to the IRS at either end. But reporting is still mandatory, and the basis trade-off can cost beneficiaries more than the estate tax ever would have.
Gift Tax at the Moment You Fund the Trust
The IRS treats a transfer into an irrevocable trust as a completed gift, because you’ve permanently given up control over the property. The gift tax rules apply even though no cash changes hands and the recipient is a trust rather than a person.
The annual gift tax exclusion for 2026 is $19,000 per beneficiary. You can move that amount to each trust beneficiary every year with no gift tax consequence at all.1Internal Revenue Service. What’s New – Estate and Gift Tax Anything above $19,000 to a single beneficiary in a year counts against your $15 million lifetime exemption ($30 million for a married couple).
Any year your gifts to one person exceed $19,000, you must file IRS Form 709.2Internal Revenue Service. Gifts and Inheritances No tax is due until you’ve burned through the full lifetime exemption, but the filing is not optional. Skipping it is one of the most common grantor mistakes, and it creates problems years later when the IRS has no record of how much exemption you’ve already used.
A simple example: you transfer $219,000 into a trust for one beneficiary. The first $19,000 is covered by the annual exclusion. The remaining $200,000 reduces your lifetime exemption from $15 million to $14.8 million. No gift tax owed, Form 709 required.
Estate Tax: What the Trust Removes From Your Estate
The main reason people accept the complexity of an irrevocable trust is to pull assets out of their taxable estate. Once property is properly transferred, it generally isn’t counted in your gross estate at death, which reduces or eliminates federal estate tax. The top federal estate tax rate is 40% on amounts above the exemption.3Office of the Law Revision Counsel. 26 U.S. Code 2001 – Imposition and Rate of Tax
The One, Big, Beautiful Bill (Public Law 119-21), signed in mid-2025, raised the basic exclusion to $15 million per person starting January 1, 2026, with no sunset provision. The increase is permanent unless Congress changes it again.1Internal Revenue Service. What’s New – Estate and Gift Tax
At that level, most families won’t owe federal estate tax at all. That doesn’t make an irrevocable trust pointless, because future appreciation on the transferred assets also stays outside your estate. Transfer a property worth $3 million today, and if it grows to $8 million by your death, the full $8 million is excluded. For appreciating assets held by younger grantors, this growth-shifting effect often matters more than the current exemption number.
State Estate Taxes Change the Math
About a dozen states plus the District of Columbia impose their own estate taxes, with exemptions ranging from roughly $1 million to around $13.6 million. A grantor well under the federal threshold can still owe six figures to a state. If you live in a state with its own estate tax, the trust’s ability to shrink your taxable estate becomes valuable at much lower wealth levels than the federal figure suggests.
Generation-Skipping Transfer Tax
If your trust benefits grandchildren or more remote descendants, a separate federal tax may apply. The generation-skipping transfer (GST) tax exists to prevent families from skipping a generation of estate tax by passing wealth directly to grandchildren, and it carries the same 40% top rate as the estate tax.4Office of the Law Revision Counsel. 26 USC 2601 – Tax Imposed
The GST exemption also rose to $15 million per person for 2026.1Internal Revenue Service. What’s New – Estate and Gift Tax You allocate it on Form 709 when you fund the trust, and that allocation is permanent. If you fail to allocate GST exemption to a trust that benefits grandchildren, every future distribution to them can be hit with the 40% tax, no matter how modest the amount. This is where the Form 709 filing does real protective work.
Who Pays Income Tax on What the Trust Earns
Once the trust is funded, any dividends, interest, rent, or business income the assets generate has to be taxed somewhere. The answer depends on whether the trust is a grantor trust or a non-grantor trust, and the difference is significant.
Grantor Trusts
If the grantor retains certain powers or interests described in the tax code, the IRS ignores the trust as a separate entity for income tax purposes. All trust income flows through to the grantor’s personal Form 1040 and is taxed at individual rates.5Office of the Law Revision Counsel. 26 USC 671 – Trust Income, Deductions, and Credits Attributable to Grantors and Others as Substantial Owners
This is often deliberate. When the grantor pays the tax, those payments shrink the grantor’s estate further without counting as additional gifts, while the trust assets grow undiminished. Many planners build grantor trust features into irrevocable trusts for exactly this reason.
Non-Grantor Trusts and Compressed Brackets
A non-grantor trust is its own taxpayer. It files Form 1041 and pays tax on income it keeps.6Internal Revenue Service. About Form 1041, U.S. Income Tax Return for Estates and Trusts The problem is that trust brackets are brutally compressed. For 2026, the trust pays 10% on the first $3,300 of taxable income, 24% from $3,301 to $11,700, 35% from $11,701 to $16,000, and 37% on everything above $16,000.7Internal Revenue Service. 2026 Tax Rate Schedule for Estates and Trusts
An individual doesn’t hit 37% until taxable income passes roughly $626,000. A non-grantor trust gets there at $16,000. The 3.8% Net Investment Income Tax kicks in at the same $16,000 threshold, pushing the effective top rate on undistributed investment income to 40.8%. Letting income accumulate inside a non-grantor trust is expensive.
The 65-Day Rule
Trustees have a useful escape valve. Under the 65-day rule, distributions made within the first 65 days of a new calendar year can be treated as if they were made on the last day of the prior year. For calendar-year trusts, the window runs January 1 through March 6 (March 5 in leap years). The trustee makes the election on Form 1041 by checking the appropriate box in the “Other Information” section, and once made, it’s irrevocable for that tax year.
This lets the trustee see how the prior year actually played out before deciding to push income to beneficiaries, who are almost always in a lower bracket than the trust. The election must be made by the Form 1041 filing deadline including extensions, and the amount shifted is generally capped at the trust’s accounting income for the prior year.
How Distributions Flow to Beneficiaries
When a non-grantor trust distributes income, the trust takes a deduction for the amount distributed and the beneficiary reports it on their own return. The trust issues each beneficiary a Schedule K-1 (Form 1041) showing the type and amount of income allocated.8Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025) The character of the income carries through: dividends stay dividends, not ordinary income.
The trust’s distribution deduction is capped at its distributable net income (DNI). Any distribution amount above DNI is treated as a tax-free return of principal to the beneficiary. Grantor trusts work differently here, because the grantor is already reporting the income personally, so distributions to beneficiaries generally have no separate income tax effect.
Capital Gains and the Lost Step-Up in Basis
This is the trade-off that catches grantors off guard, and for anyone under the $15 million exemption it’s often the single most important number in the analysis.
When you gift property to an irrevocable trust, the trust takes your original cost basis, adjusted for improvements or depreciation. This is called a carryover basis.9Office of the Law Revision Counsel. 26 U.S. Code 1015 – Basis of Property Acquired by Gifts and Transfers in Trust Property that passes through your estate at death instead gets a stepped-up basis equal to fair market value at the date of death, wiping out decades of unrealized gain.10Office of the Law Revision Counsel. 26 U.S. Code 1014 – Basis of Property Acquired From a Decedent
Say you bought stock for $100,000 and it’s worth $900,000 when you move it to the trust. The trust’s basis stays at $100,000. If the trustee later sells for $950,000, the trust recognizes $850,000 in capital gain. Had you held the same stock until death, the heir’s basis would have stepped up to the date-of-death value, and a sale shortly after at $925,000 would produce only $25,000 in gain.
For estates that will comfortably fall under the $15 million exemption, giving up the step-up to avoid an estate tax you weren’t going to owe is the most expensive planning mistake in this area. It happens constantly.
Section 2036: What Happens If You Keep Using the Property
The trust only removes assets from your estate if you actually give up control. If you keep the right to use the property, collect income from it, or decide who benefits, the IRS can pull those assets back into your gross estate at death under Section 2036.11Office of the Law Revision Counsel. 26 U.S. Code 2036 – Transfers With Retained Life Estate
The classic trap: a grantor transfers the family home into an irrevocable trust and keeps living there rent-free. Unless the trust is specifically structured for retained use (such as a qualified personal residence trust with a defined term), continued occupancy is the kind of retained enjoyment that triggers Section 2036. The same risk applies if you transfer an investment portfolio but keep receiving the income, or move business interests but retain voting control.
When Section 2036 pulls the asset back in, you get the worst of both outcomes. The property is included in your estate, but because the transfer was technically a lifetime gift, the stepped-up basis may not apply. Estate tax exposure plus a carryover basis. The trust has to be drafted carefully and, more importantly, respected in practice after it’s signed.
Extra Wrinkles When the Property Is Real Estate
Transferring real property into an irrevocable trust carries a few local complications. Some jurisdictions reassess property taxes when ownership changes, and whether a transfer to a trust qualifies for an exemption from reassessment depends on local rules. Check with the county assessor before the deed is recorded.
There may also be transfer taxes or recording fees when the deed is re-titled into the trust’s name. These vary by location and are usually modest, but they’re an out-of-pocket cost many grantors don’t anticipate. If the property has a mortgage, the transfer could technically trigger a due-on-sale clause, though federal law generally protects transfers into trusts for estate planning purposes from lender acceleration.
Setup and Ongoing Costs
Attorney fees for drafting and funding an irrevocable trust typically run from $2,000 to $10,000 or more, depending on complexity, asset types, and the attorney’s market. Trusts holding real estate, business interests, or property in multiple states cost more to establish.
A non-grantor trust that earns income files Form 1041 every year, which means annual accounting and tax preparation fees. A corporate or professional trustee usually charges 1% to 2% of trust assets annually, often on a tiered schedule where smaller trusts pay a higher percentage. For estates that fall well below the federal exemption, these recurring costs deserve weight against the tax benefits the trust is actually delivering.