Testamentary Trust vs Living Trust: Which Is Right and the Costs

Choosing between a testamentary trust and a living trust comes down to timing, cost, and what you need each trust to do. A living trust takes effect while you're alive, lets you skip probate, and provides incapacity planning. A testamentary trust is written into your will, costs less upfront, and only kicks in after you die, but it must go through probate first. Many families use both in a single estate plan. This guide walks you through exactly how each trust works, what they cost, and a decision framework so you and your partner can build the right plan for your situation.
Key takeaways
- A living trust takes effect immediately once created and funded, avoids probate, and provides incapacity management through a successor trustee.
- A testamentary trust is created by your will and only comes into existence after your death, once the will clears probate, making it a public record.
- Living trusts typically cost more upfront to draft and fund, but they can save significant money on the back end by avoiding probate, which often takes about six months and costs thousands of dollars.
- The federal estate tax exemption for 2024 is $13.61 million per individual; unless Congress acts, it's scheduled to drop to roughly $5 million (plus inflation adjustments) in 2026.
- Testamentary trusts are commonly used to manage a minor child's inheritance and can include staggered distributions tied to age milestones.
- The two trust types are not mutually exclusive: a common setup pairs a revocable living trust with a pour-over will that contains testamentary trust provisions for specific beneficiaries.
Testamentary vs Living Trust: Quick Verdict
A living trust takes effect the moment you create and fund it, works for you during your lifetime, and passes assets to beneficiaries after death without going through probate. A testamentary trust, by contrast, is a provision written into your will that only springs into existence after you die and the will clears probate.
The typical best fit breaks down like this:
- Living trust: Probate avoidance, privacy, incapacity planning, and ongoing asset management during your lifetime.
- Testamentary trust: Lower upfront cost, managing a minor child's inheritance, or situations where probate costs in your state are minimal.
These two options aren't mutually exclusive. A common estate plan pairs a living trust with a pour-over will that catches any assets left out of the trust, and that same will can include testamentary trust provisions for specific purposes, like managing a young beneficiary's share.
Testamentary Trust vs Living Trust at a Glance
Here's a side-by-side comparison to help you scan the differences quickly. Exact rules vary by state.
| Feature | Living Trust | Testamentary Trust |
|---|---|---|
| When it takes effect | Immediately, while you're alive | Only after your death |
| Created by | A separate trust document | A provision in your will |
| Avoids probate? | Yes (when properly funded) | No, created through probate |
| Private? | Yes, not a public record | No, part of the public probate file |
| Helps with incapacity? | Yes, successor trustee steps in | No |
| Upfront cost | Higher (drafting + funding) | Lower (part of will drafting) |
| Revocability | Revocable during your lifetime; becomes irrevocable at death | Irrevocable once you die |
| Common use | Probate avoidance, privacy, incapacity planning | Managing a minor's inheritance, tax planning within a will |
How a Testamentary Trust Works
A testamentary trust doesn't exist while you're alive. It's a set of instructions embedded in your will that tell a court to create a trust after your death. Here's the typical sequence:
- You pass away. Your will is located and submitted to the probate court.
- Probate begins. The court verifies the will, appoints a personal representative (executor), and supervises debt and tax payments.
- The trust is created and funded. Once probate proceedings authorize it, assets designated in your will are transferred into the testamentary trust.
- The trustee manages and distributes. The named trustee follows the terms you set, distributing income or principal to beneficiaries on the schedule you outlined.
Because the trust is born through probate, the process is public and subject to court supervision. Once you die, the terms of the testamentary trust are fixed. You can change your will (and the trust provisions within it) at any time while you're alive, but after death the trust becomes irrevocable.
A testamentary trust does not help with incapacity. Because it's part of your will, it can only go into effect after you die. If you become unable to manage your affairs, a testamentary trust offers no mechanism for a successor to step in.
Example: Sarah has two young children, ages 4 and 7. Her will includes a testamentary trust stating that if she dies before they turn 25, her assets will be held in trust. The trustee (Sarah's sister) manages the funds, paying for education and living expenses, and distributes the remaining balance to each child when they reach 25.
Testamentary Trust for Minors and Other Beneficiaries
Testamentary trusts are one of the most practical tools for managing a minor child's inheritance. Without a trust, a court may appoint a guardian to manage the child's money, and the child typically receives the full amount at age 18, which may not be ideal.
With a testamentary trust, you can:
- Name a trustee to manage funds until the child reaches an age you choose (often 21, 25, or even 30).
- Set distribution rules so the trustee can pay for education, health care, and basic support without handing over a lump sum.
- Create staggered payouts, for example, one-third of the balance at 25, half the remainder at 30, and the rest at 35.
Testamentary trusts also apply beyond minors. If you have a beneficiary who struggles with financial management, a trust with controlled distributions can provide ongoing support without a large, unrestricted payout.
For beneficiaries with disabilities, a special needs trust can be structured so the assets don't automatically count as the beneficiary's resources for needs-based programs like SSI or Medicaid. However, the rules are specific and vary by state. Work with an estate planning attorney and a benefits specialist before setting up this type of trust to avoid accidentally disqualifying someone from benefits they rely on.
How a Living Trust Works and When It Takes Effect
A revocable living trust (sometimes called an inter vivos trust) exists the moment you create and fund it. You transfer ownership of your assets, such as real estate, bank accounts, and investments, into the trust during your lifetime. You typically serve as both the grantor and the initial trustee, meaning your day-to-day control doesn't change.
The key word is funded. Only a funded living trust avoids probate. If you create the trust document but never retitle your assets into it, the trust is essentially an empty shell, and those assets still go through probate at your death.
Funding a living trust means:
- Retitling real estate deeds so the trust is the owner.
- Changing bank and brokerage account ownership or designations.
- Assigning ownership of other assets (business interests, valuable personal property) to the trust.
The pour-over will backstop
Even with a well-funded living trust, a pour-over will acts as a safety net. It directs that any property you still own in your individual name at death be "poured over" into the living trust and distributed under its terms. The pour-over will itself goes through probate, but it ensures nothing falls through the cracks.
Incapacity planning
One of the standout advantages of a living trust is incapacity management. If you become unable to handle your finances, your named successor trustee can step in immediately to manage trust assets without court intervention. A testamentary trust and a standard will offer no equivalent help during your lifetime.
Cost Comparison: What Each Trust Costs
A testamentary trust costs less to set up, but a living trust can cost less over the full life cycle of your estate plan. Here's why.
Upfront costs
A testamentary trust is drafted as part of your will, so the attorney fees are bundled into will preparation. A living trust requires a separate trust document plus the work of retitling assets into the trust, which increases the initial bill.
Back-end probate costs
Probate is where the cost equation often flips. The probate process normally takes about six months and costs thousands of dollars before beneficiaries receive their inheritance. In more complex cases, attorneys may charge a percentage of the estate's value. Every dollar spent on probate is a dollar your beneficiaries don't receive.
A properly funded living trust bypasses probate entirely, which can result in significant net savings.
Ongoing costs and tax considerations
Both trust types can generate ongoing costs for trustee compensation, accounting, and tax preparation. The IRS considers all income earned by a trust as taxable.
On the estate tax front, the federal gift and estate tax exemption for 2024 is $13.61 million per individual (up from $12.92 million in 2023). Unless Congress acts, the exemption is scheduled to drop back to approximately $5 million (plus inflation adjustments) in 2026. For the vast majority of estates, federal estate tax isn't a concern at current levels, but that may change. A revocable living trust does not remove assets from your taxable estate; an irrevocable trust can, but it comes with significant trade-offs in control.
| Cost Factor | Testamentary Trust | Living Trust |
|---|---|---|
| Attorney drafting fees | Lower (bundled with will) | Higher (separate trust document) |
| Asset retitling/funding | None upfront | Required; may involve deed transfers, account changes |
| Probate fees | Yes, full probate required | None if properly funded |
| Probate timeline | Often ~6 months or longer | Avoided |
| Ongoing trustee/admin fees | Yes, after death | Yes, during life and after death |
| Court supervision | Yes | Generally no |
How to Choose: A Decision Framework
Use these decision points in order to narrow your choice.
- What is your total asset level? If your estate is relatively modest and your state's probate process is simple and inexpensive, a testamentary trust may be sufficient. Larger or more complex estates tend to benefit more from a living trust.
- Do you want to avoid probate? If yes, a funded living trust is the primary tool. Probate avoidance saves time, money, and keeps your affairs private.
- Is privacy important? Living trusts stay out of public records. Testamentary trusts, as part of a probated will, become public.
- Do you want incapacity planning? A living trust allows a successor trustee to manage your assets if you become unable to do so. A testamentary trust provides no help during your lifetime.
- Do you have minor beneficiaries? A testamentary trust can be a cost-effective way to manage a child's inheritance. But you can also create these protections inside a living trust.
- What does probate look like in your state? Probate complexity and cost vary widely. States like California and New York tend to have more expensive probate processes, making living trusts more attractive.
The common paired setup
Many estate plans combine both approaches: a revocable living trust holds most assets and a pour-over will catches anything left out. That same will can include testamentary trust provisions for specific purposes, like managing a young child's share or funding a special needs trust.
Checklist: Steps to Set Up Either Trust
- [ ] Identify your goals (probate avoidance, incapacity planning, minor beneficiary management).
- [ ] Take inventory of your assets and how each is currently titled.
- [ ] Decide whether you need a living trust, testamentary trust, or both.
- [ ] Consult an estate planning attorney for drafting and state-specific guidance.
- [ ] If creating a living trust, retitle assets into the trust (real estate, bank accounts, investments).
- [ ] Name a trustee, successor trustee, and beneficiaries.
- [ ] Create a pour-over will as a backstop regardless of which trust you choose.
- [ ] Review and update your plan every few years or after major life events (marriage, divorce, new child, significant asset change).
When you need professional help
Both types of trusts involve legal documents that must comply with your state's laws. An estate planning attorney is needed for drafting, ensuring proper funding, navigating tax implications, and handling special situations like special needs planning or blended families. DIY templates can miss state-specific requirements and lead to problems during probate or trust administration.
Frequently asked questions
What is the main difference between a testamentary trust and a living trust?
The main difference is timing. A living trust is created and funded during your lifetime, takes effect immediately, and avoids probate. A testamentary trust is a provision in your will that only comes into existence after you die and the will goes through probate.
Does a testamentary trust avoid probate?
No. A testamentary trust is created through probate, not around it. Your will must be submitted to probate court, verified, and supervised before the trust is funded and the trustee can begin managing assets for beneficiaries.
Can you have both a living trust and a testamentary trust?
Yes, and many estate plans do exactly that. A common setup uses a revocable living trust to hold most assets (avoiding probate) along with a pour-over will that contains testamentary trust provisions for specific purposes, such as managing a minor child's inheritance.
Is a testamentary trust revocable?
While you're alive, you can change or remove the testamentary trust provisions in your will at any time. Once you pass away, the testamentary trust becomes irrevocable, and any changes would require legal proceedings through the court.
How much does a living trust cost compared to a testamentary trust?
A living trust generally costs more upfront because it requires a separate trust document and the work of retitling assets. A testamentary trust is drafted as part of your will, so the initial fees are lower. However, a testamentary trust triggers full probate costs, which often take about six months and thousands of dollars, potentially making the living trust less expensive over the full life cycle.
What happens to a testamentary trust if the beneficiary is a minor?
The trustee named in the will manages the trust assets on the minor's behalf, paying for things like education, health care, and living expenses. You can set the age at which the beneficiary receives the remaining balance, and you can create staggered payouts at different age milestones (for example, one-third at 25 and the rest at 30).
Does a living trust help if I become incapacitated?
Yes. If you become unable to manage your finances, your named successor trustee can step in immediately to manage trust assets without court intervention. This is one of the key advantages over a testamentary trust or a will, neither of which provides help during your lifetime.
Are testamentary trusts public record?
Yes. Because a testamentary trust is created through your will and the probate process, its terms become part of the public court record. A living trust, by contrast, is a private document that does not go through probate and stays out of public records.
Do I still need a will if I have a living trust?
Yes. Even with a funded living trust, you need a pour-over will to catch any assets that weren't transferred into the trust before your death. The pour-over will directs those assets to be distributed under the terms of your living trust, acting as a safety net so nothing is left without instructions.
Written by
Ronke Oyekunle
Co-Founder & COO, Neptune

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.