What Is a Trust? Revocable, Irrevocable, and the Common Types

A trust is a legal arrangement where one party (the “trustee”) holds and manages property for the benefit of another (the “beneficiary”), according to instructions set by the person who created the trust (the “grantor” or “settlor”). Trusts are one of the most flexible — and most misunderstood — estate-planning tools. They can pass assets outside of probate, provide for minor or disabled beneficiaries over time, protect assets from creditors, and reduce certain taxes. They’re not just for the wealthy.

The Three Parties

  • Grantor (sometimes called settlor or trustor) — the person who creates the trust and transfers property into it
  • Trustee — the person or institution that holds legal title to the trust property and manages it according to the trust terms. Can be the grantor themselves (during life), a family member, a friend, or a professional trustee (bank trust department, attorney, professional fiduciary)
  • Beneficiary — the person (or people, or organization) entitled to benefit from the trust property. Can include the grantor during their lifetime

In many simple trusts, the same person plays all three roles initially — the grantor names themselves as trustee and beneficiary during their lifetime, with a successor trustee and remainder beneficiaries taking over at death.

Revocable vs. Irrevocable

The most important distinction in trust law:

  • Revocable trust (also called a “living trust”) — the grantor can amend or terminate the trust at any time during their lifetime. Property in the trust remains the grantor’s for tax and creditor purposes; doesn’t protect from creditors and doesn’t reduce estate tax. The main benefit is avoiding probate at death and providing continuity if the grantor becomes incapacitated. Most living trusts are revocable.
  • Irrevocable trust — once funded, the grantor generally can’t change or revoke it. Property transferred into the trust is no longer the grantor’s for tax or creditor purposes. Used for asset protection, estate-tax reduction, Medicaid planning (with limits), and structured giving. Major commitment.
Revocable trust vs irrevocable trust comparison

Common Trust Types

  • Revocable living trust — the most common. Holds assets during your life; passes them at death without probate. Easy to amend. Doesn’t save taxes but saves time and privacy
  • Testamentary trust — created by your will, comes into existence at your death. Common for managing inheritances for minor children
  • Irrevocable life insurance trust (ILIT) — owns a life insurance policy on the grantor; proceeds pass outside the grantor’s estate, useful for estate-tax planning at higher net worth
  • Special-needs trust — provides for a disabled beneficiary without disqualifying them from means-tested benefits (Medicaid, SSI). Essential when leaving anything to a special-needs beneficiary
  • Charitable remainder trust — pays income to a beneficiary for a term of years, with the remainder going to a charity. Provides a charitable deduction and income
  • QTIP trust (qualified terminable interest property) — provides income to a surviving spouse for life, with the remainder going to designated beneficiaries (often children from a prior marriage). Common in blended-family planning
  • Spendthrift trust — protects a beneficiary’s inheritance from their own creditors and from poor money management by controlling distributions
  • Generation-skipping trust — transfers wealth to grandchildren or later generations, potentially reducing estate tax across generations. Used at higher net worth

Why Use a Trust?

  • Avoid probate — assets held in a revocable trust pass to beneficiaries without going through probate court. Faster, more private, often cheaper. In states with slow or expensive probate (CA, FL, NY), this is a significant benefit
  • Maintain privacy — wills become public records during probate; trusts generally don’t
  • Manage assets if incapacitated — a successor trustee takes over without court involvement (no guardianship/conservatorship proceeding needed)
  • Provide for minor or disabled beneficiaries — instead of an outright bequest, the trust can dole out funds over time according to your instructions
  • Protect assets from beneficiaries’ creditors or divorce — with spendthrift provisions
  • Estate-tax planning — certain irrevocable trusts can remove assets from your taxable estate (relevant at higher net worth)
  • Multi-state property — holding out-of-state real estate in a trust avoids ancillary probate in the second state

Costs and Trade-offs

  • Setup cost — a revocable living trust prepared by an attorney typically runs $1,500–$4,000 for an individual or couple, vs. $300–$1,500 for a basic will
  • Funding — transferring assets into the trust takes work (re-titling real estate, retitling brokerage accounts, updating bank accounts). An unfunded trust accomplishes nothing
  • Tax compliance — irrevocable trusts file their own tax returns (Form 1041) and reach top federal brackets quickly. Revocable trusts use the grantor’s SSN and file no separate return during the grantor’s life
  • Ongoing administration — if you use a professional trustee, expect annual fees of 0.5–1.5% of assets under management. Family member trustees usually serve without compensation

Do You Need a Trust?

A revocable living trust is most clearly worth the cost when:

  • You live in a state with slow or expensive probate
  • You own real estate in multiple states
  • You want privacy around your estate
  • You want continuity-of-management if you become incapacitated
  • You have minor children and want their inheritances managed over time
  • You have a blended family or other complications a will alone doesn’t address well

For most middle-income households without these factors, a well-drafted will, properly titled accounts, and current beneficiary designations cover most estate-planning needs at a fraction of the cost.

Educational only. Estate-planning laws — including which documents are valid, who can serve as executor or agent, witness and notary requirements, and how assets pass — vary significantly by state. This article is not legal advice. Consult a licensed attorney in your state before drafting or relying on any estate document.


Further Reading