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Complex trusts hit the top 37% tax bracket at $15,650 of income. See how SLATs, GRATs, and GST planning protect family estates — from a CPA/attorney firm.
Most estate plans are built for a world that no longer exists. They assume every family will owe federal estate tax, so they stop at a will, a power of attorney, and a basic revocable trust. Advanced tax planning for family estates starts where that stops with the trusts, gifting structures, and generation-skipping strategies that matter once an estate involves a business, real estate in more than one state, or wealth that's meant to reach grandchildren, not just children.
That gap matters because the rules just changed underneath everyone. If your plan hasn't been touched since before the exemption jumped, it's probably solving a problem you don't have anymore while missing three you do.
Advanced tax planning for family estates is the set of strategies irrevocable trusts, lifetime gifting, generation-skipping structures, and income-tax planning at the trust level that go beyond a basic will to control how wealth is taxed as it moves between generations. It applies whether or not your estate is large enough to owe federal estate tax, because trusts carry their own income tax exposure and their own set of traps.
A simple estate plan answers "who gets what." An advanced one answers "what does the IRS take at each step along the way" when assets go into a trust, while they sit there earning income, and again when they pass to the next generation.
Yes, for most of the reasons that made it valuable before just not the reason most people assume. The One Big Beautiful Bill Act made the federal estate and gift tax exemption $15 million per individual for 2026 (up from $13.99 million in 2025), and made that higher exemption permanent instead of letting it sunset, as Morgan Lewis reported when the IRS confirmed the 2026 figures. For a married couple, that's a combined $30 million shielded from federal estate tax. Nevada adds nothing on top of that it's one of the states with no separate estate or inheritance tax at all, as SmartAsset's state-by-state breakdown confirms.
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So if your estate is well under $15 million (or $30 million married), the federal estate tax itself may genuinely be off the table. What doesn't go away: trust income tax, generation-skipping tax on gifts to grandchildren, basis planning for appreciated assets, and business succession all of which apply regardless of whether you'll ever file an estate tax return. If your plan is only built around "staying under the exemption," it's solving 2020's problem, not 2026's. For the income-tax side of this Roth conversions, tax-loss harvesting, HSA strategy our earlier piece on tax strategies for high-income earners covers the individual-level tactics that pair with the trust strategies below. And if you don't have the foundational documents in place yet a will, powers of attorney, a basic revocable trust start with estate planning before layering on anything advanced.
Because Congress compressed trust tax brackets on purpose, so a trust can't be used to shelter income at low rates indefinitely. A non-grantor trust hits the top 37% federal bracket at just $15,650 of taxable income in 2026 compare that to $609,350 for a single filer and that's before the 3.8% net investment income tax stacks on top, pushing the effective federal rate on retained trust income to 40.8%, according to Brotman Law's breakdown of 2026 trust tax brackets.
That compression is exactly why "just put it in a trust" is incomplete advice. A trust that accumulates income inside it, rather than distributing it to a beneficiary in a lower bracket, can end up paying a higher marginal rate than the family would have paid holding the assets directly. Which structure you use, and whether the trust is designed to distribute income or retain it, changes the answer completely that's a design decision, not an afterthought.
A spousal lifetime access trust (SLAT) is an irrevocable trust one spouse funds using their lifetime gift tax exemption, naming the other spouse as a current beneficiary; once an asset is inside, it's out of the funding spouse's taxable estate even though the couple can still indirectly benefit from it. The mechanism works because the grantor can also pay the trust's income taxes directly out of pocket, which shifts additional wealth out of the estate without counting as a further taxable gift, as Valur's comparison of SLATs and GRATs explains.
The trade-off is that a SLAT's access runs through the marriage. If the couple later divorces, the beneficiary spouse's access to the trust typically doesn't survive the divorce, and using separate (not jointly titled) property to fund it matters more than people expect going in.
A grantor retained annuity trust (GRAT) lets you transfer an asset's future growth to your heirs without using your lifetime exemption at all you contribute the asset, take back annuity payments calculated at the IRS's published Section 7520 rate, and whatever the asset earns above that rate passes to your beneficiaries free of gift and estate tax when the term ends. If the asset doesn't outperform the 7520 rate, the strategy simply returns to zero rather than backfiring, per Valur's explanation of the mechanics.
That makes a GRAT a bet on appreciation, not a guarantee it fits best with an asset you expect to grow quickly and unevenly (a pre-IPO stake, a concentrated position, an interest in a business about to have a good few years), not a diversified portfolio drifting along with the market.
Generation-skipping transfer tax is a separate 40% federal tax that applies on top of gift or estate tax when wealth moves to a "skip person" a grandchild, or anyone more than 37½ years younger than you specifically to stop families from avoiding a full round of estate tax at each generation. Every individual gets a GST exemption that tracks the estate tax exemption, currently $15 million ($30 million per couple) for 2026, plus a $19,000 annual exclusion per recipient, as Fidelity's explainer on the generation-skipping transfer tax lays out.
A dynasty trust is what makes that exemption compound. Once you allocate your full GST exemption to a properly structured trust, distributions and terminations inside that trust stop being taxable events for GST purposes permanently, regardless of how large the trust grows. That's the mechanism that lets one gift, made once, benefit children, grandchildren, and great-grandchildren without triggering estate or GST tax at each handoff.
No and this is the single most common surprise we see in trusts that were drafted years ago. In Revenue Ruling 2023-2, the IRS formally clarified that assets held in an irrevocable grantor trust do not receive a Section 1014 step-up in basis when the grantor dies, because those assets were never "acquired or passed from a decedent" in the way the statute requires, as KLR's tax blog explains.
In practice, that means a low-basis asset moved into an irrevocable trust years ago to save estate tax can leave beneficiaries with a much larger capital gains bill than they expected when they eventually sell it. If the IRS comes knocking on a basis position that was set up wrong, we don't pass you off we stand with you, but the better move is catching this before a return gets filed, not after. Reviewing older trusts against this ruling is worth doing even if the trust hasn't changed the law around it has.
Most families end up combining two or three of these rather than picking just one a SLAT or GRAT to move growth out of the estate, GST exemption allocated to a dynasty trust for the generation after that, and a basis review to catch what older documents got wrong. Which combination makes sense depends on whether you're moving appreciation, exemption, or income tax exposure out of the estate first.
| Strategy | What it does | Who it fits | Key requirement |
|---|---|---|---|
| SLAT | Removes an asset from the funding spouse's estate while the couple keeps indirect access | Married couples with an asset expected to appreciate | Funded with separate property; access ends if the marriage does |
| GRAT | Passes an asset's above-market growth to heirs tax-free | Owners of a volatile or fast-growing asset | Growth must beat the IRS Section 7520 rate during the term |
| Dynasty trust / GST allocation | Lets one exempted gift benefit multiple future generations without repeated estate tax | Families planning past their own children | Full GST exemption allocated at funding; proper trust drafting |
| Basis review (Rev. Rul. 2023-2) | Confirms whether an existing irrevocable trust's assets get a step-up at death | Anyone with a trust drafted before 2023 | Trust document review against current IRS guidance |
For families where the estate is the business, advanced estate planning stops being separable from advanced tax planning. Entity structure, timing of a sale, and gifting business interests before a liquidity event all change what the business is worth for estate tax purposes and what a future sale costs in capital gains. If a sale, transition, or entity cleanup is anywhere on the horizon, that side of the plan belongs with our advanced tax strategies for business owners, coordinated with the trust and gifting side covered here not planned separately by two advisors who never compare notes.
That coordination is the reason to have one advisor holding both the tax return and the trust document: the two have to agree with each other, and if they don't, it's usually the family that pays for the gap.
If your estate has outgrown a basic will a business, real estate in more than one state, or wealth you want to reach grandchildren without a 40% toll at every generation book a tax strategy consultation with our team. Reach us at 702-852-2577 or visit us at 10155 W. Twain Ave Ste 100, Las Vegas, NV 89147.
About the author: D. Lenny Whiting, Esq., CPA, MS is the Managing Partner of CPA Attorney, LLC a licensed attorney (NV), CPA (NV), and Realtor (NV) with a B.S. in Accounting from Utah State, an M.S. in Accounting from UNLV, and a J.D. from BYU. Most tax firms are either accounting-based or law-based; this one is both, under one roof. Read the full bio.
