ILIT Trust for Life Insurance: Tax and Cost Analysis

A $5 million life insurance policy owned in your own name adds the full $5 million to your taxable estate. Owned inside an irrevocable life insurance trust, it adds nothing — a structural difference that, at the 40% top federal estate tax rate, is worth up to $2 million to your heirs. The trust that produces that swing costs between $1,500 and $5,000 to draft, according to 2026 attorney fee surveys. The arithmetic is lopsided enough that the irrevocable life insurance trust, or ILIT, became the default liquidity vehicle for estates large enough to owe federal estate tax. What follows is the cost and mechanics analysis, not a recommendation.

The numbers that matter

Sources: IRS, “What’s new — Estate and gift tax,” 2026 (OBBBA Public Law 119-21); IRS Gifts & Inheritances FAQ, 2025–2026; Law-Trust.com ILIT cost survey, April 2026; IRC §2035.

Why the policy is in the estate to begin with

Life insurance death benefits pass to beneficiaries free of income tax. That fact misleads people into assuming the proceeds are tax-free altogether. They are not. Under IRC Section 2042, if you hold any “incident of ownership” in a policy on your own life at death — the right to change the beneficiary, borrow against cash value, surrender, or assign it — the entire death benefit is pulled into your gross estate. A $4 million term policy on a sole owner with a $14 million estate turns an $18 million gross estate into one that exceeds the 2026 exemption, and the overage is taxed at 40 cents on the dollar.

The ILIT severs ownership. The trust applies for and owns the policy; you are neither owner nor trustee. At death the proceeds belong to the trust, not to you, so Section 2042 has nothing to grab. This is the single mechanical function of the structure, and it is why the vehicle is named for what it holds rather than what it does. Everything else — distribution control, creditor protection for beneficiaries, liquidity to pay other estate taxes — is secondary to keeping the death benefit out of the federal estate tax base.

What it costs to build and run

Setup is a fixed legal cost. Drafting an ILIT runs $1,500 to $5,000 in the standard market, per a 2026 cost guide from Law-Trust.com, with specialist firms quoting from around $5,000 for trusts requiring custom Crummey provisions and three-year contingency language. A March 2026 California survey from the Law Offices of Rozsa Gyene puts ILIT setup at $3,000 to $6,000-plus, reflecting higher metropolitan hourly rates of $250 to $600. The spread is driven almost entirely by complexity: a single-policy trust with two adult beneficiaries sits at the floor; a trust layering generation-skipping provisions for grandchildren can add several thousand dollars in additional drafting.

Ongoing costs are where the analysis gets neglected. Three recurring line items appear across the trust administration:

Sources: Law-Trust.com, April 2026; Heritage Law Office cost guide; Blake Harris Law, 2024–2026; Law Offices of Rozsa Gyene, March 2026. Premium figures are policy-specific and were not modeled; apply current carrier quotes.

A family-member trustee typically serves without compensation, which eliminates the largest recurring fee. The trade-off is competence and continuity: a corporate trustee from a bank or trust company charges $500 to $3,000 or more annually but will not forget to send Crummey notices or miss a premium payment — the two administrative failures most likely to unwind the trust’s tax treatment. For a $5M–$25M estate, the annual carrying cost outside premiums realistically lands between roughly $1,000 and $6,500 depending on whether a professional trustee and paid tax preparation are used. Against a potential $2 million estate tax saving on a $5 million policy, that is a rounding error — but only if the compliance holds.

The Crummey notice: a small task with outsized consequences

Here is the wrinkle that justifies the annual fee. Money you contribute to the ILIT to pay premiums is a gift. To qualify that gift for the annual gift tax exclusion — $19,000 per beneficiary in 2026, confirmed by the IRS Gifts & Inheritances FAQ — the beneficiaries must have a temporary right to withdraw their share. That right is communicated through a Crummey notice, a written letter sent with each contribution. Beneficiaries almost always decline to withdraw, which lets the trustee apply the funds to premiums, but the notice must actually be sent and documented.

Skip the notices and the IRS can disallow the exclusion, meaning every premium contribution consumes lifetime exemption instead of passing tax-free. On a couple gifting $38,000 annually across two beneficiaries for fifteen years, sloppy Crummey administration converts $570,000 of would-be excluded gifts into exemption-eroding transfers. The $250 to $1,000 annual notice cost exists to prevent exactly that. This is the kind of detail that separates a working ILIT from an expensive one, and it tracks closely with how planning costs scale with structural complexity.

The three-year rule: timing as a tax variable

Transferring a policy you already own into an ILIT introduces a risk that buying a new policy through the trust avoids entirely. Under IRC Section 2035, if you transfer an existing life insurance policy and die within three years, the full death benefit snaps back into your gross estate as if the transfer never happened. A 62-year-old who moves an $8 million policy into an ILIT and dies two years later hands the IRS a fully taxable $8 million — the planning is voided by the calendar.

The clean path is to have the trust apply for and own a new policy from inception, so the insured never holds an incident of ownership and Section 2035 never engages. That is not always available; an existing policy with favorable underwriting or accumulated cash value may be too valuable to replace. When an existing policy must be transferred, the three-year exposure is real but finite, and well-drafted trusts include contingency provisions — often routing proceeds to a surviving spouse via the marital deduction — to soften the blow if death occurs inside the window. The cost of those provisions is part of why a transfer-based ILIT drafts higher than a new-policy ILIT.

Finluxy Estate Tax Exposure Index

The Cluster framework defines the Finluxy Estate Tax Exposure Index as the estimated federal estate tax owed under the current exemption versus a reduced exemption scenario. The reduction this metric was built around — the scheduled TCJA sunset to roughly $7 million per person in 2026 — did not happen. OBBBA, signed July 4, 2025, made the $15 million exemption permanent and indexed it to inflation. The Index below therefore reports the live 2026 number against the counterfactual $7 million reversion that Congress repealed, which is the relevant stress test: it shows what these estates were exposed to before the law changed, and what would return if a future Congress reverses course.

Modeled for a married couple, with the policy held outside the estate via ILIT in every case (so the death benefit itself is excluded), and exposure measured on non-insurance assets against the combined exemption — $30 million current, ~$14 million in the repealed reversion scenario:

Calculation: (taxable estate − available combined exemption) × 40%. Current exemption $30M combined (IRS, OBBBA 2026); reversion scenario ~$14M combined reflects the repealed pre-OBBBA sunset. Index assumes the life insurance death benefit is held outside the estate in an ILIT and is therefore not counted.

Read the right-hand column as the cost of legislative reversal, not a current liability. The Index makes the ILIT’s value contingent: under today’s $30 million combined exemption, a couple with a $20 million non-insurance estate owes nothing, and the ILIT’s estate tax function is dormant — its asset-protection and distribution-control functions still operate, but the tax saving is zero. Move the exemption back to ~$14 million and that same couple faces $2.4 million, at which point keeping a multimillion-dollar policy out of the estate is decisive. Anyone weighing an ILIT today is buying insurance against the third column, and the live exemption sunset risk in 2026 and beyond is the variable that determines whether the trust pays for itself.

What most coverage overlooks

The standard ILIT pitch leans on the estate tax saving. The numbers above show that for the majority of $5M–$25M households, that saving is currently zero — the permanent $30 million combined exemption shelters non-insurance assets, and the death benefit is excluded by the trust regardless. The insight buried in the cost data is that the ILIT’s durable value at today’s exemption levels is not tax avoidance at all. It is control and protection: staggered distributions to beneficiaries who are not ready to manage a seven-figure lump sum, and creditor and divorce insulation of the proceeds that an outright beneficiary designation cannot provide.

That reframing changes the cost-benefit calculus. A household evaluating the $1,500–$5,000 setup and four-figure annual carry should not assume an estate tax saving that may not exist for them. The honest test is whether the control and protection features are worth the carrying cost on their own, with the estate tax hedge treated as optional upside that activates only if the exemption falls. Most marketing collapses these into one number; the data pulls them apart. Commercial insurance illustrations, which have a built-in interest in selling policies, tend to lead with the tax saving precisely because the protection-only case is a harder sell.

The $150k+ household decision

For households in the $150k+ income band with net worth in the $5M–$25M range, the ILIT decision now turns on a probability bet rather than a present liability. Under current law, a couple below $30 million in non-insurance assets owes no federal estate tax, so the trust’s $1,500–$5,000 setup and roughly $1,000–$6,500 annual carry buy three things: exclusion of the death benefit, distribution control, and creditor protection. The first is only valuable if the exemption falls or your estate grows past $30 million; the latter two are valuable immediately and regardless of tax law.

The threshold worth watching is your own trajectory. An estate at $18 million today, compounding at 6%, crosses $30 million in roughly nine years — and the inflation-indexed exemption grows far slower, so appreciation alone can manufacture exposure the current law appears to eliminate. That dynamic, plus the standing possibility of a future Congress reverting the exemption, is the real case for acting while you are insurable and before the three-year clock matters. Households comparing this against simpler tools should weigh it alongside a straightforward will-versus-trust cost comparison and the broader estate planning cost guide for $5M to $25M net worth, then price the trust against the specific protections it delivers rather than a headline tax number. Where an ILIT competes with a GRAT’s tax-arbitrage mechanics or a SLAT’s setup and ongoing fees for the same planning dollars, the deciding factor is usually which asset you are trying to move and how much control you are willing to surrender — questions an attorney and CPA modeling your actual balance sheet are positioned to answer, and a generic illustration is not.