Are Living Trusts Taxable? Revocable vs. Irrevocable Rules

Living trusts are taxable, but how and when depends entirely on the type. A revocable living trust is treated as invisible by the IRS while you’re alive: every dollar of income, deduction, and credit passes straight through to your personal Form 1040, and the trust files nothing of its own. An irrevocable trust is the opposite. It’s its own taxpayer, with its own return, its own tax ID, and some of the harshest brackets in the code. The moment a revocable trust becomes irrevocable, usually at the grantor’s death, it crosses that same line.

Revocable Trusts While You’re Alive

Under the grantor trust rules in Section 671 of the Internal Revenue Code, you’re treated as the owner of everything inside your revocable trust for income tax purposes.¹ The trust doesn’t need its own tax identification number. Banks and brokerages holding trust accounts use your Social Security number, and everything the trust earns lands on your individual return.

That means a revocable trust adds no tax paperwork and no additional tax liability. No separate return. No Schedule K-1. Your tax bill is exactly what it would have been if you’d never created the trust. The IRS treats the whole arrangement as a disregarded entity until you either die or give up your power to revoke it.²

What Happens at the Grantor’s Death

Because you kept the power to change or revoke the trust, the IRS includes everything in it as part of your taxable estate when you die.³ That sounds like a drawback, but it carries a substantial benefit. Assets included in your estate receive a step-up in basis to their fair market value on the date of death.⁴ If you bought stock for $50,000 and it’s worth $300,000 on your date of death, your beneficiaries inherit it with a $300,000 basis. They could sell the next day and owe nothing on the $250,000 of appreciation.

For 2026, the federal estate tax exemption is $15,000,000 per person.⁵ A married couple can effectively shelter up to $30,000,000 combined. Estates below the threshold owe no federal estate tax, though some states impose their own estate taxes with much lower exemptions. The step-up in basis applies regardless of whether estate tax is actually owed, so modest estates benefit too.

Once the grantor dies, the trust also stops being invisible. The trustee applies for a new Employer Identification Number, and all income earned by trust assets after the date of death gets reported on the trust’s own Form 1041 under that EIN, not on the decedent’s final personal return.

Irrevocable Trusts as Separate Taxpayers

An irrevocable trust needs its own EIN and files its own annual income tax return on Form 1041.² The income is taxed in one of two places. If the trustee distributes income to beneficiaries, the beneficiaries report it on their own returns. If the trustee keeps the income inside the trust, the trust pays the tax.

This is where irrevocable trusts get expensive. Trust brackets are drastically compressed compared to individual brackets. For 2026, a trust hits the top federal rate of 37% once its taxable income crosses just $16,000.⁶ An individual doesn’t reach that same 37% rate until income crosses $640,600. The full 2026 trust bracket schedule:

10% on taxable income up to $3,300
24% from $3,301 to $11,700
35% from $11,701 to $16,000
37% above $16,000

Trusts with adjusted gross income above $16,000 also face the 3.8% net investment income tax on undistributed investment income.⁶ The combined top rate on retained investment income effectively reaches 40.8%. That’s the single biggest reason trustees distribute income to beneficiaries whenever the trust terms permit. Pushing income out to a beneficiary in a lower bracket can save thousands each year.

How Beneficiaries Get Taxed

When the trustee distributes income, the trust claims a deduction and the beneficiary picks up the income. But there’s a cap called distributable net income, or DNI. DNI is the trust’s taxable income calculated with certain adjustments, and it limits how much income can shift to beneficiaries in a given year.⁷ If the trust distributes more cash than its DNI, the excess isn’t taxable to the beneficiary, because it either has already been taxed or comes from principal.

Capital gains generally stay at the trust level and don’t pass through unless the trust document specifically provides for it or the gains are actually distributed. Ordinary income like interest, dividends, and rent flows through easily. Capital gains usually get trapped inside the trust and taxed at those compressed rates.

Each beneficiary who receives a distribution gets a Schedule K-1 reporting their share of income, deductions, and credits, and reports those amounts on their personal Form 1040.⁸

Gift Tax When You Fund an Irrevocable Trust

Moving assets into an irrevocable trust is a completed gift for federal gift tax purposes.⁹ For 2026, you can give up to $19,000 per recipient per year without owing gift tax or using any lifetime exemption.¹⁰ Gifts above that threshold eat into your $15,000,000 lifetime exemption, and only amounts exceeding the lifetime exemption actually trigger tax.⁵

One catch that trips people up. The annual gift tax exclusion only applies to “present interest” gifts, meaning the recipient has an immediate right to use or benefit from the property. A transfer into a trust where the beneficiary can’t touch the money for years is a future interest and doesn’t automatically qualify. Most irrevocable trusts solve this with Crummey withdrawal powers, which give beneficiaries a temporary right to withdraw newly contributed funds. Without them, even a $19,000 contribution counts against your lifetime exemption.

The Step-Up Trade-Off for Irrevocable Trust Assets

Step-up in basis only applies to property included in a decedent’s gross estate.⁴ If you transferred assets to an irrevocable trust and truly gave up all control and benefit, those assets typically aren’t in your estate at death. The IRS confirmed in Revenue Ruling 2023-2 that assets in a grantor trust excluded from the grantor’s estate do not receive a step-up, even if the grantor was paying income tax on the trust’s earnings during life. Removing assets from your estate can save estate tax, but your beneficiaries inherit your original cost basis and may face capital gains tax when they sell.

There’s an exception. If the grantor retained certain interests, such as the right to income or the power to control who benefits, Section 2036 pulls those assets back into the estate.¹¹ Assets included under that provision do get the step-up. A poorly structured irrevocable trust that fails to remove assets from the estate may accidentally deliver the step-up benefit that a properly structured one intentionally sacrifices.

Filing Deadlines and Penalties

An irrevocable trust, or a formerly revocable trust after the grantor’s death, must file Form 1041 if it has any taxable income or gross income of $600 or more. For calendar-year trusts, the return is due April 15. The trustee can request an automatic five-and-a-half-month extension with Form 7004, pushing the deadline to September 30.¹²

Late filing costs 5% of the tax due for each month or partial month the return is late, up to 25%. If the return is more than 60 days late, the minimum penalty is the smaller of $525 or the total tax due. Fraudulent failure to file carries a 15% monthly penalty, up to 75%.¹² An extension of time to file is not an extension of time to pay, so the trustee should estimate and pay any tax owed by the original due date to avoid interest.

Many states also require trust income tax returns, with filing thresholds that vary widely. The state where the trust was created, where the trustee lives, and where the beneficiaries reside can all affect state filing obligations.

Property Tax When You Move Real Estate Into a Trust

Transferring real estate into a revocable living trust generally does not trigger a property tax reassessment, because you’re still the beneficial owner. Most states recognize that moving property into your own revocable trust isn’t a true change in ownership, and the property keeps its assessed value.

Irrevocable trust transfers are less predictable. Because the grantor is giving up ownership, some jurisdictions treat the transfer as a change in ownership that triggers reassessment at current market value. Others provide exemptions for certain family trust transfers. When a revocable trust becomes irrevocable at the grantor’s death, that transition can also trigger reassessment in some states, particularly if beneficial ownership shifts to someone other than a surviving spouse. Property tax rules are governed entirely by state and county law, so local guidance matters more here than federal rules.

1
Office of the Law Revision Counsel. 26 U.S. Code 671 – Trust Income, Deductions, and Credits Attributable to Grantors and Others as Substantial Owners
2
Internal Revenue Service. Abusive Trust Tax Evasion Schemes – Questions and Answers
3
Office of the Law Revision Counsel. 26 U.S.C. 2038 – Revocable Transfers
4
Office of the Law Revision Counsel. 26 U.S.C. 1014 – Basis of Property Acquired From a Decedent
5
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One, Big, Beautiful Bill
6
Internal Revenue Service. 2026 Form 1041-ES Estimated Income Tax for Estates and Trusts
7
Office of the Law Revision Counsel. 26 U.S. Code 643 – Definitions Applicable to Subparts A, B, C, and D
8
Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025)
9
Office of the Law Revision Counsel. 26 U.S.C. 2501 – Imposition of Tax
10
Internal Revenue Service. What’s New — Estate and Gift Tax
11
Office of the Law Revision Counsel. 26 U.S.C. 2036 – Transfers With Retained Life Estate
12
Internal Revenue Service. 2025 Instructions for Form 1041 and Schedules A, B, G, J, and K-1