A domestic trust is a legal arrangement, created and administered inside the United States, in which one party holds and manages assets for the benefit of another under written instructions from the person who set it up. Under federal tax law, a trust qualifies as domestic only if a U.S. court can exercise primary supervision over its administration and one or more U.S. persons control all substantial decisions.1Office of the Law Revision Counsel. 26 USC 7701 – Definitions If either part of that test fails, the IRS treats the trust as foreign, with different reporting rules and often harsher tax treatment. Most estate planning trusts set up by U.S. residents with U.S. trustees meet both tests without any special effort.
“Substantial decisions” is a broad category. It includes whether to distribute income or principal, how to invest, and whether to end the trust. The court-supervision piece is usually satisfied by establishing the trust under a state’s laws and administering it in that state. The definition only becomes tricky when a trust has international ties, such as a foreign trustee or offshore assets.
The People and Parts of a Trust
Every trust, whatever its label, involves the same components.
The grantor (also called the settlor or trustor) creates the trust, transfers assets in, and sets the terms: who benefits, under what conditions, and for how long.
The trustee holds legal title to the trust property and manages it according to the written instructions. A trustee can be an individual — a family member, a friend, the grantor themselves — or a professional institution such as a bank’s trust department. It’s common for grantors of revocable trusts to name themselves as the initial trustee and designate a successor to take over at incapacity or death. That successor is what allows the trust to keep functioning without any court involvement.
The beneficiaries are the people or organizations entitled to distributions. Current beneficiaries receive income or principal now; remainder beneficiaries receive what’s left after a triggering event, often the death of a current beneficiary.
The trust property, sometimes called the trust corpus, is whatever the grantor puts in. Real estate, bank accounts, investment portfolios, business interests, and personal property can all be held in trust.
The trust agreement is the legal document that ties everything together. It names the parties, identifies the property, defines the trustee’s powers, and lays out the distribution plan.
Types of Domestic Trusts
The most fundamental split is between trusts the grantor can change and trusts the grantor cannot.
Revocable Living Trust
A revocable living trust lets the grantor amend the terms, swap beneficiaries, remove assets, or dissolve the trust entirely at any point during their lifetime. Because that control is retained, assets in a revocable trust are still counted as part of the grantor’s taxable estate at death and are reported on the grantor’s personal tax return while the grantor is alive.2Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 The trade-off is straightforward: a revocable trust provides no estate tax savings and no creditor protection during the grantor’s lifetime.
What a revocable trust does provide is probate avoidance. Assets properly transferred into it pass to beneficiaries under the trust’s terms rather than through court proceedings. A revocable trust also becomes irrevocable when the grantor dies, and often splits at that point into subtrusts that carry out the grantor’s plan.
Irrevocable Trust
An irrevocable trust generally cannot be changed or canceled once it’s established. When the grantor transfers assets in, those assets are typically removed from the grantor’s taxable estate, because the grantor has given up ownership and control. For estates that would otherwise exceed the federal estate tax exemption of $15,000,000 per person in 2026, that removal can produce meaningful savings.3Internal Revenue Service. What’s New — Estate and Gift Tax Irrevocable trusts can also shield assets from the grantor’s future creditors, since the grantor no longer owns the property.
The cost is real. The grantor permanently parts with the assets. Some irrevocable trusts build in limited flexibility through provisions allowing a trust protector to make administrative changes, but the grantor cannot simply take the assets back.
Testamentary Trust
A testamentary trust is created through a will and doesn’t exist until the grantor dies. Because the will must go through probate before the trust is established, this type does not avoid probate the way a living trust does. Once created, it functions like any other irrevocable trust.
Specialized Trusts
A special needs trust holds assets for a person with disabilities in a way that preserves eligibility for government benefits like Medicaid and Supplemental Security Income. Receiving an inheritance or gift directly could disqualify the beneficiary from those programs; a properly drafted trust avoids that outcome. A spendthrift trust includes restrictions preventing beneficiaries from pledging or assigning their interest, which also blocks most creditors from reaching trust assets before a distribution is made. Both are common when the grantor worries about a beneficiary’s money management or exposure to creditors.
How a Domestic Trust Is Established
Setting up a trust involves planning, drafting, and the often-overlooked step of actually moving assets into it.
Planning Decisions
Before any document is drafted, the grantor decides what the trust should accomplish. Probate avoidance and flexibility point toward a revocable living trust. Removing assets from the taxable estate or shielding them from future creditors points toward an irrevocable trust. The grantor also selects an initial trustee, a successor trustee to step in later, and the beneficiaries.
Drafting the Agreement
The trust agreement creates the trust and governs how it operates. It names all parties, identifies the initial property, defines the trustee’s powers and limitations, and lays out the distribution plan. Terms can be as simple as “distribute everything to my children equally at my death” or as detailed as staggered distributions tied to ages, milestones, or discretionary standards. Attorney fees for a standard living trust typically range from $1,000 to $3,000, though complexity and geography affect the price.
Funding the Trust
A trust that exists only on paper accomplishes nothing. Funding means transferring ownership of assets from the grantor’s name into the trust’s name. Real estate requires a new deed recorded with the county. Bank and investment accounts must be retitled in the trust’s name. Recording fees for deeds generally run between $10 and $115, depending on the jurisdiction.
Any asset left outside the trust at the grantor’s death loses the probate-avoidance benefit unless something else routes it in. A pour-over will acts as a safety net: it directs assets not already in the trust to be transferred into it after death. Those assets still pass through probate, but they end up governed by the trust’s distribution terms rather than the state’s default rules of intestacy.
How Domestic Trusts Are Taxed
Trusts are not tax-neutral containers. Tax treatment depends on whether the grantor is treated as owner for income tax purposes, and, at death, on whether assets are inside or outside the taxable estate.
Grantor Trusts
A revocable living trust is classified as a “grantor trust” because the grantor retains the power to revoke it. All income earned by trust assets is reported on the grantor’s personal return under the grantor’s Social Security number, as if the trust didn’t exist.2Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 The trust itself doesn’t file a separate income tax return in most cases. Some irrevocable trusts can also qualify as grantor trusts if the grantor retains certain powers specified in the tax code, a technique estate planners use deliberately so the grantor pays the trust’s income taxes without that payment counting as an additional gift.
Non-Grantor Trusts
An irrevocable trust that isn’t a grantor trust is a separate taxpayer. It must obtain its own Employer Identification Number and file Form 1041 if it has gross income of $600 or more in a tax year, or any taxable income at all.2Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 The math gets painful quickly. Trusts hit the top federal income tax bracket of 37% at just $16,000 of taxable income in 2026, compared to over $626,000 for a single individual. That compressed bracket structure means undistributed trust income is taxed at steep rates almost immediately.
When a non-grantor trust distributes income to beneficiaries, the trust gets a deduction for the amount distributed and the beneficiaries report the income on their own returns via a Schedule K-1. Distributing income to beneficiaries in lower brackets is one of the most basic trust tax planning strategies, because it pulls income out of the trust’s compressed brackets and into the beneficiary’s lower ones.
Estate Tax
For 2026, the federal estate tax exemption is $15,000,000 per person, or $30,000,000 for a married couple. Estates below that threshold owe no federal estate tax.3Internal Revenue Service. What’s New — Estate and Gift Tax Assets in a revocable trust are included in the grantor’s taxable estate because the grantor retained control. Assets properly transferred to an irrevocable trust are generally excluded.
Why People Create Domestic Trusts
Most trusts serve more than one purpose at once.
Probate avoidance is the most common motivation for a revocable living trust. Assets pass directly to beneficiaries under the trust’s terms without court proceedings. Probate can take months, generates legal fees, and creates a public record of the estate’s assets and beneficiaries.4LTCFEDS. Types of Trusts for Your Estate: Which Is Best for You
Privacy follows from probate avoidance. A will filed with a probate court becomes public. A trust agreement generally does not.
Incapacity planning is an underappreciated benefit. If the grantor becomes mentally incapacitated, the successor trustee can step in immediately to manage trust assets without a court-supervised guardianship or conservatorship. For many families this continuity during a health crisis is more valuable than the probate feature.
Controlled distributions let the grantor dictate exactly when and how beneficiaries receive assets. A trust can hold a child’s inheritance until age 25, distribute a fixed amount annually, or give the trustee complete discretion. That kind of control survives the grantor’s death in a way an outright bequest cannot.
Creditor protection is available through irrevocable trusts. Once assets are inside, they are generally beyond the reach of the grantor’s creditors, because the grantor no longer owns them. A small but growing number of states allow “domestic asset protection trusts,” where the grantor can be a beneficiary and still receive some creditor protection, though the law in that area remains unsettled.
Trustee Duties and Ongoing Administration
Being named trustee is not honorary. A trustee is a fiduciary and is legally obligated to put the beneficiaries’ interests ahead of their own. The core duties are loyalty (no self-dealing or conflicts of interest), impartiality (fair treatment of all beneficiaries), and prudent management of investments. A trustee who breaches these duties can be held personally liable for losses.
Professional trustees such as bank trust departments charge annual fees, typically from about 0.45% to 1% of assets under management. Individual trustees often serve without compensation, though the trust agreement can authorize reasonable fees.
Administration also involves recordkeeping and reporting. A non-grantor irrevocable trust must file its own federal income tax return annually and provide Schedule K-1 statements to beneficiaries showing their share of trust income. Most states also require trustees to provide periodic accountings showing receipts, disbursements, gains, losses, and the current value of trust assets. Frequency and format vary by state, but beneficiaries generally have the right to request one.
Where Trust Protection Ends
Trusts are useful, but they are not magic shields. The biggest limit on asset protection is the fraudulent transfer doctrine. If a grantor moves assets into an irrevocable trust while facing existing debts, lawsuits, or reasonably foreseeable claims, a court can reverse the transfer and make those assets available to creditors. Courts examine the timing relative to pending or threatened claims, whether the transfer left the grantor unable to pay existing debts, whether the grantor tried to conceal the transfer, and whether the grantor received anything of equivalent value in return. Funding a trust the week after being sued is the textbook example of what does not work.
Even legitimately funded irrevocable trusts have boundaries. Assets the grantor retained the right to use or enjoy may still be pulled back into the taxable estate. And a revocable trust provides zero creditor protection during the grantor’s lifetime, because the grantor’s ability to revoke it and reclaim the assets means creditors can reach them too. The asset protection features of trusts are real, but they require planning well in advance of any financial trouble.