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What Is a Family Trust and How Does It Work in 2026

By Ronke Oyekunle Reviewed by Michael Cotugno, Esq.
Elderly woman signing paperwork in modern office with consultant.

If you're a couple with a home, retirement savings, and children (or grandchildren) you want to provide for, a family trust decides how those assets pass without leaving the answer to a court. Skip the planning and your estate can get tied up in probate, a public process that can take many months and consume a meaningful share of what you leave behind. A family trust holds your assets for your family, keeps your finances private, and keeps working if you become incapacitated. This guide explains what a family trust is, how it works, and how to set one up in 2026.

Key takeaways

  • A family trust takes effect during your lifetime and, when funded, lets assets pass to your family outside of probate, unlike a will alone.
  • Every family trust has three roles: grantor (creator), trustee (manager), and beneficiaries (your spouse, children, grandchildren, or other relatives).
  • With a revocable trust you can be your own trustee and name a successor to step in without a court guardianship hearing if you become incapacitated.
  • The OBBBA, signed July 4, 2025, permanently raised the federal estate tax exemption to $15 million per individual and $30 million for married couples, indexed for inflation starting in 2027.
  • Funding the trust (retitling assets into it) is the step that makes it work; an unfunded trust holds nothing no matter how well the document is drafted.
  • Neptune manages the full estate planning process with attorneys, CFPs, and CPAs (20+ years each) for a flat $3,000 bundle.

What a Family Trust Is and Why Families Use One

A family trust is a legal arrangement that holds your assets for the benefit of your family members, managed under a set of rules you write yourself. You decide what goes in, who manages it, and who receives what and when.

The simplest way to picture it is a box with instructions taped to the lid. You fill the box with property (a house, bank accounts, investments, a stake in the family business), you spell out how it should be used and who it goes to, and you hand the keys to someone you trust to follow those instructions. State law makes the instructions binding, so they hold even after you're gone.

Most couples build a family trust together because it brings clarity to a question every family eventually faces: how does our wealth pass to our children and grandchildren without confusion or delay? Instead of leaving that answer to a court, you and your partner decide it now, in writing, while you're both here to talk it through.

Unlike a will alone, a family trust is a type of living trust that takes effect during your lifetime. That matters because it keeps working if you become incapacitated and it lets your assets move to your family without the public court process that a will-only plan triggers.

The Three Roles in a Family Trust: Grantor, Trustee, and Beneficiaries

Every family trust runs on three roles, and understanding them makes the whole arrangement click.

  • Grantor (also called the settlor): The person who creates the trust and transfers assets into it. In a couple's plan, this is often both partners together.
  • Trustee: The person or institution that manages the assets and follows the rules you wrote. With a revocable family trust, you can be your own trustee.
  • Beneficiaries: The family members who receive income or assets from the trust. This typically includes your spouse, children, grandchildren, and sometimes other relatives you name.

With a revocable trust, most grantors serve as their own trustee and name a [successor trustee](https://meetneptune.com/blog/successor-trustee-duties-how-to-choose-2) to take over if they become incapacitated or pass away. That successor might be your spouse, an adult child, or a professional trust company. This is the mechanism that keeps your finances running without court involvement if something happens to you. Your successor trustee simply steps in and manages the assets under the same rules, no guardianship hearing required.

Because you can define exactly what each beneficiary gets and when, the roles let you plan for real family dynamics. You might direct that a child receives distributions for education first, then a larger share at age 30, rather than a lump sum the day they turn 18.

How a Family Trust Works Step by Step

Setting up a family trust follows a predictable sequence, and each step is a decision you and your partner make together.

  1. Choose the trust type. Decide between a revocable trust (flexible, changeable) and an irrevocable trust (permanent, with different tax and creditor treatment). This choice shapes everything that follows.
  2. Name the trustee. With a revocable trust you can name yourself, then name a successor to take over later.
  3. Name the beneficiaries. Decide which family members benefit and exactly what they receive.
  4. Draft the trust agreement. This is the legal document that spells out the rules. Working with a qualified attorney matters here, especially if you have substantial or complex assets.
  5. [Fund the trust](https://meetneptune.com/blog/how-to-fund-a-trust-move-assets). Transfer ownership of your assets into the trust by retitling them in the trust's name.

That last step is the one people skip, and skipping it quietly defeats the entire plan. If assets are never transferred into the trust, the trust holds nothing and does nothing, no matter how well the document was written. Funding is what makes it real.

Assets that commonly go into a family trust include your home or co-op, bank accounts, brokerage and investment accounts, and business interests. Retirement accounts and life insurance usually pass by beneficiary designation instead, so those are coordinated separately.

Because the trust (not you personally) owns the assets when you pass, they don't have to go through probate, the public court process that validates a will and settles an estate. In New York, probate is handled by the Surrogate's Court. California offers a simplified process only for estates under a certain threshold, so trusts are especially common there. Skipping probate also keeps the details private, since court filings are public record and trust documents generally are not.

Revocable vs. Irrevocable Family Trusts Compared

The revocable versus irrevocable decision comes down to a trade between flexibility and tax and creditor treatment. Neither is better in the abstract; the right one matches your family's plan.

A revocable trust can be changed or canceled at any time, and you keep full control as your own trustee. An irrevocable trust is generally permanent, requires someone other than you to serve as trustee, and in exchange can move assets out of your taxable estate.

Feature Revocable Trust Irrevocable Trust
Ability to change or cancelYes, anytime during your lifeGenerally no, permanent once created
Who can serve as trusteeYou can be your own trusteeMust name someone else
Federal estate tax impactAssets stay in your taxable estateAssets can be removed from your taxable estate
Creditor considerationsLimited separation from youStronger separation from personal creditors
Privacy (avoids probate)Yes, when fundedYes, when funded
Best-fit situationsMost couples wanting control and probate avoidanceFamilies above the estate tax exemption or with specific tax and legacy goals

Most couples start with a revocable living trust because it delivers probate avoidance, privacy, and incapacity planning while letting them keep control and adjust the plan as life changes. Families with estates approaching or above the exemption, or with specific goals around shifting appreciating assets out of the estate, are the ones who typically look at irrevocable structures with an attorney and CPA.

Family Trusts and Taxes in 2026 After the OBBBA

The tax backdrop changed in a big way in 2025. The One Big Beautiful Bill Act (OBBBA), signed into law on July 4, 2025, permanently raised the federal estate tax exemption to $15 million per individual and $30 million for married couples, indexed for inflation starting in 2027.

That sounds like it only matters for very large estates, and for federal estate tax, it mostly does. But the change created a quieter problem for families well below $15 million: many existing estate plans were drafted around older, lower exemption assumptions that no longer apply. Formula clauses written years ago can now push assets in directions you never intended. Documents built on assumptions that have expired can undermine the transfer plan you thought you had in place.

How a trust affects your taxes depends on three things: the type of trust, the timing of any asset transfers, and how the trust interacts with both IRS rules and your state's rules. In California, the Franchise Tax Board (FTB) treats trust income under its own framework, which can matter for a trust with California beneficiaries or a California trustee. A revocable trust is generally tax-neutral during your lifetime (you report the income on your own return), while a properly structured irrevocable trust can shift income and remove appreciating assets from your estate.

The practical takeaway is simple. If your trust or will predates 2025, it's worth revisiting, not because something is wrong, but because the rules underneath it moved. That's an opening to sit down together and get clarity on whether the plan still says what you want it to say.

How Neptune Helps Couples Set Up a Family Trust

Estate planning has a lot of moving parts (the trust document, the funding, the tax coordination, the beneficiary designations), and most couples don't want to manage that across three separate professionals. Neptune manages the full process from start to finish, pairing you with attorneys, CFPs, and CPAs who each bring 20+ years of experience.

Everything comes as a flat $3,000 estate planning bundle, with AI-guided education along the way so you actually understand each decision instead of nodding through legal jargon. You and your partner make the calls; Neptune handles the drafting, the coordination, and the follow-through on funding so the trust actually works.

As Michael C. Cotugno, Esq., Managing Partner, Neptune Legal, puts it: "For conscious partners, wealth is not merely a collection of assets; it's a powerful tool with the potential for profound purpose."

That's the frame we bring to every plan. A family trust is something you build with your partner to give your family clarity about the future, not a chore to check off. If you're ready to see how the process works, start at Neptune's estate planning walkthrough and plan together for what comes next.

Frequently asked questions

What is the difference between a family trust and a will?

A will only takes effect after you die and generally must pass through probate, the public court process that validates it and settles your estate. A family trust takes effect during your lifetime, keeps working if you become incapacitated, and when funded lets assets move to your family without probate. Many couples use both together, with a will acting as a backstop for anything not moved into the trust.

Do I need a family trust if my estate is below the $15 million exemption?

Possibly yes, but for reasons beyond federal estate tax. Even if you're well under the $15 million per individual exemption set by the OBBBA, a trust can help your estate avoid probate, keep your finances private, and provide a plan if you become incapacitated. Older documents drafted around lower exemption assumptions may also need updating so they still say what you intend.

Can I be the trustee of my own family trust?

Yes, with a revocable family trust you can serve as your own trustee and keep full control during your lifetime. You then name a successor trustee (a spouse, adult child, or professional trust company) to step in if you become incapacitated or pass away. An irrevocable trust generally requires you to name someone else as trustee.

What happens if I don't fund my family trust?

If you never transfer assets into the trust by retitling them in the trust's name, the trust holds nothing and does nothing. This is the most commonly skipped step, and skipping it quietly defeats the plan no matter how carefully the document was drafted. Funding is what makes the trust operate as intended.

How much does it cost to set up a family trust?

Costs vary by state, complexity, and whether you work with an attorney. Neptune offers a flat $3,000 estate planning bundle that includes attorney drafting, tax coordination, and follow-through on funding, with education along the way. Working with a qualified attorney is generally recommended, especially if you have substantial or complex assets.

Can a family trust help my estate avoid probate?

Yes. Because the trust (not you personally) owns the assets when you pass, those assets generally don't go through probate, the public court process that validates a will. This can save time and keep the details private, since court filings are public record while trust documents usually are not. The trust must be properly funded for this to work.

Is a revocable or irrevocable family trust better for my family?

Neither is better in the abstract; the right choice matches your goals. Most couples start with a revocable trust because it offers probate avoidance, privacy, and incapacity planning while letting them keep control and make changes. Families approaching or above the estate tax exemption, or with specific tax and legacy goals, are the ones who typically consider irrevocable structures with an attorney and CPA.

How does a family trust work in New York and California?

The core structure is the same in both states: a grantor moves assets into a trust managed by a trustee for named beneficiaries, and a funded trust can bypass probate. In New York, probate runs through the Surrogate's Court. California offers a simplified process only for estates under a certain threshold, which is one reason trusts are especially common there. State income tax rules also differ, and California's Franchise Tax Board applies its own framework to trust income.

Ronke Oyekunle

Written by

Ronke Oyekunle

Co-Founder & COO, Neptune

Michael Cotugno

Reviewed by

Michael Cotugno, Esq.

Managing Partner, Neptune Legal · 30+ years practicing family law

Michael has been practicing family law for more than 30 years and as Managing Partner of Neptune Legal, he is widely recognized for his expertise in premarital agreements and estate plans. After spending the first two decades of his career handling family law litigation, he saw firsthand the emotional and financial costs couples often face when issues are not clearly addressed early on. This experience led him to focus his practice on helping clients proactively create thoughtful, well-structured agreements.