How Living Trusts Differ from Wills in Estate Planning

Two Documents, One Goal — With Very Different Paths

In 2022, probate courts in the United States processed approximately 1.7 million estate cases. The average probate proceeding takes 9–18 months and costs 2–5% of the estate's gross value in attorney fees, court costs, and executor compensation. In California, statutory attorney fees alone on a $1 million estate total $23,000 under Probate Code § 10810. A properly funded revocable living trust eliminates all of these costs and delays by transferring assets directly to beneficiaries without court supervision.

Both wills and living trusts direct how assets pass at death. The differences are not about who gets what — they are about the process, timing, cost, and privacy of the transfer. Understanding these structural differences allows families to choose the appropriate tool, or combination of tools, for their specific circumstances.

How a Will Works

A will is a legal document that expresses a person's wishes about asset distribution after death. It takes effect only at death and must go through probate — the court process of validating the will, appointing an executor, notifying creditors, paying debts, and distributing remaining assets to named beneficiaries. The will is a public document once filed with the probate court; anyone can request a copy.

• Wills must be signed by the testator and witnessed by two disinterested witnesses in most states; some states allow handwritten (holographic) wills without witnesses
• A will can appoint a guardian for minor children — this function cannot be performed by a trust and requires a will even if a living trust is the primary estate planning vehicle
• Assets titled solely in the decedent's name without a beneficiary designation typically must pass through probate under the will
• A will does not control assets that have their own beneficiary designation: life insurance, retirement accounts, payable-on-death bank accounts, and jointly held property all pass outside the will regardless of what the will says

How a Revocable Living Trust Works

A revocable living trust (RLT) is a legal entity created during the grantor's lifetime. The grantor typically names themselves as the initial trustee and beneficiary, maintaining complete control and use of the assets during their lifetime. Because the grantor retains the right to revoke or amend the trust at any time, it provides no asset protection from creditors and does not affect income taxes during the grantor's lifetime — the assets are still treated as the grantor's for both purposes.

The trust becomes irrevocable at death. A successor trustee, named in the trust document, steps in immediately — without court involvement — to manage and distribute assets to the designated beneficiaries. The entire process occurs privately and can be completed in weeks rather than months.

The Funding Problem: When Trusts Fail

The most common estate planning mistake with revocable living trusts is creating the trust document but failing to fund it — failing to retitle assets into the trust's name. An unfunded trust does nothing at death. Assets held in the individual's name must still pass through probate regardless of what the trust says.

Proper funding requires changing title on real estate (recording a new deed in the trust's name), changing account ownership for bank and brokerage accounts, and updating beneficiary designations where appropriate. This administrative work is the primary ongoing cost of trust-based estate planning. Estate planning attorneys who charge premium fees for trust documents but do not assist with funding leave clients with an expensive document that may provide no benefit at death.

• Real estate in multiple states creates multiple state probate proceedings — a living trust owning out-of-state property avoids ancillary probate in each state
• Retirement accounts should generally not be titled into a trust; they have their own beneficiary designation mechanism that passes assets outside probate without trust involvement
• A pour-over will is used alongside a living trust as a safety net — it captures any assets inadvertently left out of the trust and directs them into the trust at death, though they must pass through probate first

When a Will Alone Is Sufficient

For younger individuals with modest estates concentrated in assets that already pass outside probate — retirement accounts with named beneficiaries, life insurance with named beneficiaries, jointly held property — a will may be entirely sufficient. If the probate estate would be small or the state has a simplified small estate procedure (California's threshold is $184,500; many states have similar expedited procedures), the cost and complexity of trust planning may outweigh the benefits.

Homeowners with real estate as a primary asset face more meaningful probate exposure. A $600,000 home titled in one name, passing under a will in California, would generate mandatory attorney fees of $14,300 and potentially a year-long probate proceeding. A living trust owning the same home avoids all of that.

Testamentary Trusts: The Middle Path

A testamentary trust is created within a will and takes effect only at death, funding through the probate process. Unlike a living trust, it does not avoid probate — assets must still pass through probate before funding the trust. But it can provide continued management and distribution controls for beneficiaries who are minors, spendthrifts, or otherwise require oversight that a simple outright distribution would not provide.

Testamentary trusts are commonly used to manage inheritances for children until they reach a specified age, to provide for a special needs beneficiary without disqualifying them from government benefits, or to hold assets for a surviving spouse while preserving them for children from a prior relationship.

This article is for informational purposes only and does not constitute legal advice.