Testamentary Trust in a Will: When It Beats a Living Trust

What Is a Testamentary Trust in a Will?

A testamentary trust is a trust written directly into your last will and testament that has no legal existence while you are alive and holds no assets until your will passes through probate court. After probate closes, your executor funds the trust, a named trustee takes over management, and the trust operates as an irrevocable arrangement governed by the terms you wrote in your will.

Key takeaways

• A testamentary trust does not exist — and holds no assets — while you are alive; it springs into being only after probate.
• It becomes irrevocable at your death; change it only by amending your will while you live.
• Unlike a revocable living trust, a testamentary trust does not avoid probate — it is created through probate and usually remains under ongoing court supervision.
• Under 42 U.S.C. § 1396p(d)(2)(A), federal Medicaid law carves out trusts established "other than by will," giving testamentary trusts a unique safe harbor that revocable living trusts cannot replicate.
• Court supervision is both a cost and a genuine check on trustee misconduct — especially valuable when beneficiaries are minors or people with disabilities.

How Does a Testamentary Trust Work, Step by Step?

1. Draft the trust inside your will. During your lifetime you write trust provisions into your will — naming a trustee, one or more successor trustees, the beneficiaries, the assets destined for the trust, and the distribution rules. No money moves, no accounts are retitled, no separate document is signed.

2. Your will is admitted to probate. After you die, your executor files the will with the probate court, which authenticates it and opens an estate proceeding. Because the testamentary trust is created by the will, it inherits all of probate's characteristics: court oversight, public record, and associated cost. The probate process typically takes six months to two years.

3. The executor funds the trust. Once the court authorizes distributions, the executor transfers designated estate assets into the trust, and the trustee assumes responsibility.

4. The trustee administers and reports. In most states the trustee must file formal annual accountings with the probate court, showing every asset, every dollar of income, and every distribution made. California Probate Code § 16062 and New York SCPA § 2309 both impose this requirement. See the state table below for how UTC-adopting states handle supervision differently.

5. The trust terminates. When the condition you named — a child's 25th birthday, a surviving spouse's death, the exhaustion of assets — is met, the trustee distributes remaining assets to the remainder beneficiaries your will designates and closes the trust.

When a Testamentary Trust Is the Right Choice

Every article comparing testamentary to living trusts frames the living trust as the default winner. Two situations break that framing.

Situation 1: The Medicaid spousal safe harbor

This is the one scenario where a testamentary trust does something a revocable living trust simply cannot.

Federal Medicaid law at 42 U.S.C. § 1396p(d)(2)(A) defines when an individual is "considered to have established a trust" for purposes of counting assets against Medicaid eligibility limits. The key phrase: the rules apply only when "any of the following individuals established such trust other than by will." Trusts established by will — testamentary trusts — are explicitly carved out.

Here is what that carve-out means in practice. Suppose a husband is healthy and his wife is in a nursing home receiving Medicaid. If the husband dies and leaves assets outright to the wife, those assets become countable resources and could disqualify her from Medicaid. If the husband leaves those same assets in a revocable living trust for the wife's benefit, those assets are also countable — because a living trust is established "other than by will." But if the husband's will creates a testamentary trust for the wife with purely discretionary distributions (the trustee decides when and how much to pay), those trust assets are generally not countable toward the wife's Medicaid eligibility, per 42 U.S.C. § 1396p(d)(2)(A) and state-level implementing regulations.

The trust assets can then cover the surviving spouse's supplemental needs — hearing aids, private-duty companions, dental work, clothing — that Medicaid does not pay for, without jeopardizing her Medicaid coverage for nursing home care.

Two caveats apply. First, this strategy works only when the creating spouse has not himself been a Medicaid recipient — Medicaid estate recovery under 42 U.S.C. § 1396p(b) can reach his probate estate before assets fund the testamentary trust. Second, estate recovery rules vary by state: some states (illustrated by a New Jersey appellate decision interpreting 42 U.S.C. § 1396p(b)(4)(B)) have sought to recover from testamentary trust assets after the beneficiary-spouse dies. An elder law attorney familiar with your state's rules is essential. For background on disability planning, see our guide to special needs trusts in a will.

Situation 2: The modest estate where you don't want to retitle anything today

A revocable living trust works only if you fund it — by retitling every bank account, investment account, and piece of real estate into the trust's name before you die. Many people set up a living trust, then never finish the retitling, leaving assets to flow through probate anyway.

A testamentary trust carries no lifetime funding obligation. You write the trust provisions in your will, sign it once, and you're done. Your assets stay in your own name until death. The assets that do go through probate fund the testamentary trust automatically, without any separate action on your part during life.

If you want to pair a living trust with testamentary backup provisions, a pour-over will can catch any asset that wasn't transferred into the living trust before your death.

What Does a Testamentary Trust Actually Cost? A Worked Example

Meet Tom and Priya, mid-thirties, parents of two children ages 7 and 4. Their estate: home equity ($200,000), savings ($80,000), and a $100,000 life insurance policy naming the estate as beneficiary — $380,000 total.

Option A: Will with a testamentary trust for the children

• Today: Adding testamentary trust provisions to a will typically costs a few hundred dollars more than a basic will — a small upfront premium.
• After Tom's death: The estate (including the life insurance proceeds, since the estate is named beneficiary) goes through probate. Probate costs typically run 4–8% of the estate's gross value — on a $380,000 estate, that's roughly $15,000–$30,000 in attorney fees, executor fees, and court costs, paid from the estate before any trust is funded.
• During trust operation: The trustee must file annual court accountings. If the court requires a bond, bond premiums run 1–3% of the trust's asset value per year — on a $300,000 trust, that's $3,000–$9,000 annually, paid from trust assets. Both the annual accounting cost and bond premium decline as the trust distributes assets to the children over time.
• Termination: The trust ends when Priya or the youngest child reaches the age Tom specified — assets distribute out.

Option B: Revocable living trust now, will with testamentary backup

• Today: Higher upfront attorney fees to draft the trust document, plus time retitling accounts and recording a new deed on the house. The life insurance beneficiary must be updated to name the trust directly to capture proceeds outside probate.
• After Tom's death: If properly funded, trust assets pass to the successor trustee with no probate, no public record, and no mandatory court supervision — saving the 4–8% probate cost.
• During trust operation: No mandatory annual court accounting; the trustee reports privately to beneficiaries.

Bottom line: For most families with moderate to significant assets, the living trust saves more on probate than it costs to set up. The testamentary trust is the better choice when: (a) you need Medicaid spousal protection; (b) the estate is small enough that simplified probate is available; or (c) the built-in court supervision is genuinely valuable because your beneficiaries are minors or people who cannot self-advocate.

Testamentary Trust vs. Living Trust at a Glance

Feature	Testamentary Trust	Revocable Living Trust
Created	Inside your will	Separate trust document, signed during life
When it activates	After death, once probate closes	Immediately upon signing and funding
Avoids probate	No — probate is required to fund it	Yes — if properly funded before death
Court supervision	Yes, ongoing in most states	No, unless a dispute arises
Privacy	Public record (probate file)	Private
Incapacity planning	None — trust doesn't exist until death	Yes — successor trustee steps in if you're incapacitated
Upfront cost	Lower (provisions added to will)	Higher (separate document + retitling)
Ongoing cost	Annual accounting fees; potential bond	No mandatory court costs
Medicaid spousal safe harbor	Yes — carved out under 42 U.S.C. § 1396p(d)(2)(A)	No — revocable trust assets are countable
Changeable while alive	Yes — amend the will	Yes — amend the trust
Changeable after death	No — irrevocable	No — irrevocable at grantor's death

What to Put Inside Your Testamentary Trust Language

Every testamentary trust should address five core provisions:

Distribution standards. Specify either a fixed schedule (e.g., one-third at age 25, one-third at 28, remainder at 30) or a discretionary standard ("the trustee may distribute for health, education, maintenance, and support"). Many drafters use both.

Trustee powers. Grant the trustee express authority to invest, sell property, hire professionals, and make tax elections. Without this, a court-supervised trustee may need a petition before taking ordinary actions.

Spendthrift clause. Prevents beneficiaries from pledging their interest as collateral and shields distributions from most creditors before they are paid out.

Successor trustee. Name at least one backup trustee. If your primary trustee declines or dies, the probate court appoints a replacement — who may not be your choice.

Termination and remainder. State clearly what happens to trust assets when the trust ends. If your primary beneficiary dies before the trust terminates, does the remainder go to their children, to other named beneficiaries, or to a charity? Review how per stirpes vs. per capita distribution rules interact with your remainder designation.

If you're drafting for wills for new parents or blended families, the remainder clause is especially important.

Create your will online with Pactlio Wills, which walks you through each of these decisions in plain English and produces a state-specific draft for attorney review.

How Do State Laws Affect Testamentary Trust Supervision?

Mandatory annual court supervision is the single biggest cost variable across states. As of October 2022, 36 states and the District of Columbia had adopted some version of the Uniform Trust Code (UTC § 201), which provides that trusts are not subject to continuing judicial supervision unless a court orders it — and several UTC states allow trustee and beneficiaries to opt out by petition. States that have not adopted the UTC — including California, Texas, Georgia, Indiana, Iowa, Nevada, and Washington — often retain older frameworks with more automatic oversight.

State	UTC Adopted?	Testamentary Trust Supervision	Key Statute
California	No	Annual accounting to court mandatory	Cal. Prob. Code § 16062
New York	No	Annual accounting to Surrogate's Court	NY SCPA § 2309
Florida	Yes	No automatic court supervision; annual accounting to beneficiaries required	Fla. Stat. §§ 736.0201(3), 736.08135
Texas	No	Less formal supervision; trustee reports to beneficiaries per Tex. Prop. Code § 113.151	Tex. Prop. Code § 113.151
Illinois	Yes	Court supervision unless waived; UTC framework	760 ILCS 3/201
North Carolina	Yes	Court oversight unless parties opt out under UTC § 201	N.C.G.S. § 36C-2-201

If you live in a UTC state, your attorney may be able to petition for reduced court involvement, substantially lowering the ongoing cost.

For state-specific guidance, see Pactlio Wills pages for California, Texas, Florida, New York, Illinois, and North Carolina.

Common Mistakes to Avoid

• Naming the estate as life insurance beneficiary without thinking it through. Life insurance paid to your estate flows through probate and into the testamentary trust — which can be exactly what Medicaid planning requires, but it also creates probate cost and a potential estate tax inclusion. Understand the tradeoff before choosing the estate as beneficiary.
• Failing to name a successor trustee. If your primary trustee predeceases you or refuses the role, the probate court appoints someone. Name at least one backup — and consider a corporate trustee as a final fallback.
• Setting the distribution age too low or too rigid. A trust that distributes everything at age 21 defeats the purpose of having a trust. A trust with no discretionary distribution authority can leave a beneficiary without funds for a genuine emergency. Build in both a discretionary HEMS standard ("health, education, maintenance, and support") and age-based milestones.
• Assuming the Medicaid spousal strategy is automatic. The testamentary trust Medicaid safe harbor depends on precise trust drafting, proper asset titling during the creating spouse's lifetime, and the creating spouse not having received Medicaid benefits. One misstep — such as joint ownership that passes outside the estate — can prevent assets from ever reaching the testamentary trust.
• Ignoring the bond requirement. Courts supervising testamentary trusts often impose a bond requirement even when the will waives it. Bond premiums of 1–3% of trust value per year are paid from trust assets and can significantly erode the trust over a long term. Ask your attorney whether a UTC-based waiver petition is available in your state.
• Not reviewing provisions after life changes. Because the testamentary trust terms live inside your will, a divorce, a new child, a change in the beneficiary's disability status, or a major shift in your assets requires a will amendment. Review your will every three to five years.

Sources

• 42 U.S.C. § 1396p — Liens, adjustments and recoveries, and transfers of assets (Medicaid trust rules): https://www.law.cornell.edu/uscode/text/42/1396p
• Uniform Trust Code (2000) — Uniform Law Commission: https://www.uniformlaws.org/committees/community-home?CommunityKey=193ff839-7955-4846-8f3c-ce74ac23938d
• Uniform Trust Code — Wikipedia (list of enacted states as of October 2022): https://en.wikipedia.org/wiki/Uniform_Trust_Code
• California Probate Code § 16062 (Trustee's duty to account): https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=16062.&lawCode=PROB
• California Probate Code § 15688 (Court review of trustee fees): https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=15688.&lawCode=PROB
• New York SCPA § 2309 (Accounting by testamentary trustee): https://www.nysenate.gov/legislation/laws/SCP/2309
• Florida Statutes § 736.0201(3) and § 736.08135 (Florida Trust Code — judicial supervision and trust accountings): https://www.flsenate.gov/Laws/Statutes/2026/Chapter736/All
• Texas Property Code § 113.151 (Demand for Accounting — verified text): https://law.justia.com/codes/texas/property-code/title-9/subtitle-b/chapter-113/subchapter-e/section-113-151/
• FindLaw — Testamentary Trusts Under the Law: https://www.justia.com/estate-planning/trusts/testamentary-trusts/
• SSB LLC — Five Things to Know About Testamentary Trusts (Medicaid spousal planning): https://ssbllc.com/five-things-to-know-about-testamentary-trusts/
• Madge & Johnson P.C. — Testamentary Trusts and Medicaid (42 U.S.C. § 1396p(d)(2)(A) analysis): https://madgejohnson.com/testamentary-trusts/
• SimplyTrust — Probate Cost Calculator (4–8% cost range): https://simplytrust.com/tools/probate-calculator/
• Successor Trustee Advisor Match — Testamentary Trust Administration (bond costs, annual accounting): https://financial-advisors-for-successor-trustees.com/guides/testamentary-trust/
• LegalZoom — Key Things to Know About a Testamentary Trust (upfront cost): https://www.legalzoom.com/articles/10-things-you-should-know-about-a-testamentary-trust
• Vanarellilaw — Medicaid's Treatment of Testamentary Trusts (estate recovery, DeMartino case): https://vanarellilaw.com/article-medicaids-treatment-testamentary-trusts/

This article is general information, not legal advice. Laws vary by jurisdiction. Pactlio generates professional drafts for review — have a licensed attorney review anything important.