Family trusts are often sold as a common tool for estate planning: freeze the value of your assets, shift future growth to your children, and avoid probate. But the fee structure and tax treatment can create a scenario where the same assets are taxed in both generations at once. The trust itself pays income tax at the highest marginal rates, and when the assets eventually pass to beneficiaries, they may face another layer of tax. Meanwhile, trustee fees, legal filings, and valuation costs eat away at the principal. This breakdown looks at where the money actually goes, who collects it, and whether the standard advice holds up under scrutiny.

The core promise of an estate freeze trust is that it locks in the value of a parent's assets at the time of transfer. Future appreciation accrues to the children, theoretically reducing the parent's estate for tax purposes. But the tax code treats the trust as a separate taxpayer, and its income is taxed at the top marginal rates once it exceeds a relatively low threshold. In 2026, that threshold is roughly $13,000 for trusts, after which the rate jumps to 37%. For a trust holding a diversified portfolio generating $50,000 in annual income, the effective federal rate can exceed 30% before any state tax. The double-tax problem appears when both the trust and the beneficiary pay tax on the same economic gain. For example, if a trust earns capital gains and distributes them to a beneficiary, the trust may pay tax on the gain (if not distributed in the same year), and the beneficiary pays tax again upon receipt. This stacking can push the combined rate above 50% in high-tax states. The Canada Revenue Agency and the Internal Revenue Service both have rules that treat trusts as separate entities, with limited ability to shift income without triggering additional tax.

Many advisors recommend trusts to avoid probate, but probate costs are typically a one-time fee of 1–5% of the estate. Trust costs recur annually. A family that creates a trust in their 60s and holds it for 20 years may pay more in trustee fees and tax preparation than they would have in probate. The trade-off is rarely presented clearly. A trust holding $2 million in assets could incur over $300,000 in cumulative fees and extra taxes over two decades, compared to a direct inheritance structure, based on typical fee schedules from major trust companies and tax rates.

The tax treatment of trusts is not uniform across jurisdictions. In the UK, trusts are subject to a separate regime with periodic charges and exit charges. For high-net-worth families, the combination of trust income tax and eventual estate tax can erode more than half of the real growth. The standard advice to "freeze and shift" needs a closer look.

Where the Money Goes: Trustee Fees, Legal Filings, and Hidden Carry Costs

The visible costs of a family trust are the trustee fees. Corporate trustees—typically banks or trust companies—charge between 0.5% and 1.5% of assets under management annually. On a $3 million trust, that is $15,000 to $45,000 per year. Individual trustees may charge less, but they often lack the expertise to handle complex assets and may face personal liability. Many families end up hiring a corporate trustee anyway, adding a layer of cost.

Legal and accounting fees are another recurring expense. Annual trust tax returns are more complex than individual returns. A CPA familiar with trust taxation typically charges $2,000 to $5,000 per return. If the trust owns a business or real estate, the cost can double. Over 20 years, these filing fees alone can total $80,000 or more. And that is before any audit or dispute costs.

Hidden carry costs come from the treatment of illiquid assets. When a trust holds private equity, real estate, or a family business, the assets are often subject to a "haircut" for valuation purposes. The haircut concept applies: the difference between market value and the value ascribed for collateral or tax purposes can be 20–30%. This means the trust's reported value for tax filings may be lower than true market value, but the trust still pays tax on actual income. When the asset is sold, the trust may realize a larger gain than anticipated because the cost basis was effectively reduced by the haircut.

Some family trusts are structured as limited partnerships or LLCs to facilitate management. These entities often charge carried interest to the general partner—typically 20% of profits. In a family context, the GP may be a parent or sibling, but the fee is still a cost to the trust. The carried interest can push the total annual fee burden above 2% of assets, compounding over time. A 2% annual fee on a $2 million trust over 20 years consumes roughly $600,000 of potential growth, assuming a 6% return.

The Generation-Skipping Tax Trap: Paying Now and Later

The generation-skipping transfer tax (GST) is designed to prevent families from skipping a generation to avoid estate tax. In 2026, the GST exemption is roughly $13.9 million per person. Transfers above that amount are taxed at 40%, on top of any estate tax due. For a trust that makes distributions directly to grandchildren, the GST can stack with trust income tax, producing a combined effective rate of 55–65% on large transfers.

The trap is that many trusts are drafted with broad powers to sprinkle income among descendants. If the trust distributes to grandchildren, the GST exemption may be consumed faster than expected. Once the exemption is exhausted, every dollar distributed triggers the 40% tax. A trust that grows in value over decades can easily exceed the exemption, even if the original transfer was below the threshold.

Furthermore, the GST tax is imposed in addition to the trust's own income tax. If the trust earns $100,000 in capital gains and distributes it to a grandchild, the trust pays income tax of roughly $37,000 (at the top rate), and the grandchild may owe another layer of GST tax on the distribution. The total tax can exceed 60% of the gain. This is a classic double-tax scenario that many families discover only during an audit or when the second generation tries to access funds.

Some advisors recommend using a dynasty trust that is designed to avoid GST by allocating the exemption upfront. But the exemption is per person, and a married couple can only shield about $27.8 million total. For families with larger estates, the GST tax is unavoidable. The cost is often underestimated because the trust's growth is not taxed until distribution, but when it comes, the tax bill can be a shock.

Why the 'Freeze' Is a Misnomer: Asset Revaluation and Phantom Gains

The term "estate freeze" implies that the value of the parent's assets is fixed at the time of transfer. In reality, the tax authorities can revalue assets years later. The IRS, for example, has the power under Section 2036 to pull assets back into the grantor's estate if the grantor retained any interest or control. If the trust is structured improperly, the freeze is undone, and the full value is taxed at the parent's death.

Even when the freeze holds, the growth in the trust is taxed at the child's exit. The trust's cost basis is the value at the time of funding, but if the trust holds assets for decades, the unrealized gain can be enormous. When the trust sells an asset, it pays capital gains tax on the entire appreciation. There is no step-up in basis at the trust level, unlike assets held until death. This can create a phantom gain: the trust may have paid income tax on dividends and interest over the years, but the capital gain on sale is taxed again.

Computational finance models show that the variance in projected gains can be 15–20% depending on the timing of sales and the trust's tax elections. A trust that holds a concentrated stock position may be forced to sell to diversify, triggering a large tax bill. The cost of appraisals for illiquid assets adds another $3,000 to $8,000 per valuation. If the trust revalues assets every three years, that is $1,000 to $2,700 per year in appraisal fees alone.

Market volatility complicates the freeze further. If the stock market drops, the trust may have a loss, but the grantor's freeze value remains fixed. The children may end up with a trust that has a high cost basis relative to market value, but the tax rules limit loss harvesting in trusts. The promised tax savings can evaporate in a downturn, yet the fees continue.

The Real Losers: Families Who Trusted a Single Structure for Decades

Families who set up trusts in the 1970s are now facing the consequences. The cost bases in those trusts are often 50 years old, with huge unrealized gains. A trust holding a family farm or a business that has appreciated 20-fold will owe capital gains tax on nearly the entire value upon sale. The trust's income tax bracket is the highest, so the effective rate on the gain can approach 40% federal plus state.

Fees compound. A 1% annual trustee fee eats about 18% of the total return over 20 years, assuming a 6% annual return. That means a trust that started with $1 million and grew to $3.2 million would have paid roughly $576,000 in trustee fees alone. The beneficiary receives $2.6 million instead of $3.2 million—a 19% haircut from fees. Add in tax preparation, appraisal, and legal fees, and the cost can exceed 25% of the final value.

The lack of a step-up in basis at the trust level is a critical flaw. When an individual dies, their heirs receive a step-up in basis to the date-of-death value, eliminating the capital gains tax on appreciation. Trusts do not get that benefit. The trust's cost basis remains the original transfer value. If the trust holds assets until the death of the beneficiary, the beneficiary's heirs get a step-up, but the trust itself has already paid tax on any gains realized during its life. This triple taxation—income tax, capital gains tax, and estate tax—can wipe out a significant portion of the wealth.

Real estate holdings are particularly vulnerable. The haircut on real estate collateral can be 25% or more, meaning the trust's borrowing power is reduced. If the trust needs to sell property to pay taxes or fees, it may have to accept a discount. The combination of illiquidity, high fees, and tax stacking makes long-term trusts a poor fit for many families.

Cheaper Alternatives That Beat the Double-Tax Drag

Direct gifting is the simplest alternative. In 2026, the annual gift tax exclusion is $18,000 per person per recipient. A married couple can gift $36,000 per child each year without using their lifetime exemption. Over 20 years, that is $720,000 per child, free of gift tax. The assets are removed from the estate, and the children receive a step-up in basis at the parent's death. No trust fees, no annual tax returns, no double tax.

Spousal trusts, such as the spousal lifetime access trust (SLAT) in the US, can provide asset protection and income for the spouse without triggering GST tax. However, the trust income is still taxed at trust rates. A better option for many is a grantor trust, where the grantor pays the income tax personally. This allows the trust assets to grow tax-free for the beneficiaries. The grantor's payment of the trust's tax is not considered a gift, effectively shifting wealth without using the exemption.

Life insurance policies held inside an irrevocable life insurance trust (ILIT) can avoid income tax altogether. The trust owns the policy, and the death benefit is paid to the trust free of income tax. The trust then distributes to beneficiaries without additional tax. The cost is the premium and the trustee fee, but the overall drag is lower than a standard investment trust. For families with illiquid assets, life insurance can provide liquidity to pay estate taxes without selling assets.

Another alternative is to use a family limited partnership (FLP) without a trust. The FLP allows valuation discounts for lack of marketability and minority interest, reducing gift tax costs. The partners pay tax at individual rates, which are generally lower than trust rates. The FLP does not require annual trust tax returns, and the assets can be managed flexibly. The discounts can be 20–30%, effectively leveraging the annual gift exclusion.

Each alternative has its own trade-offs. Direct gifting works best for small to moderate estates but may not protect assets from creditors. Grantor trusts shift the tax burden to the grantor, which can be a cash-flow strain in retirement. Life insurance trusts are effective only if the insured qualifies for coverage and premiums are affordable. Family limited partnerships require careful drafting to avoid IRS challenges on valuation discounts. The decision should be based on a comparison of after-tax, after-fee outcomes over a realistic holding period, not on the promise of a single structure.

For families with estates under $10 million, direct gifting combined with a simple will may be more cost-effective than a trust. For larger estates, a combination of strategies—such as annual gifting, a grantor trust, and life insurance—can reduce the double-tax drag without relying entirely on a single trust vehicle. The key is to model the net wealth transfer over 20–30 years, accounting for all fees, taxes, and the lack of step-up in basis. In many cases, the trust structure that looks best on paper fails to deliver in practice because of the cumulative cost of annual fees and the tax stacking that occurs at every level.

Disclaimer: This article is for informational purposes only and does not constitute personalized legal, tax, or financial advice. Consult a qualified professional for your specific situation.