Charitable Remainder Trust: Cost and Tax Benefit

A charitable remainder trust returns a charitable deduction worth cents on the dollar — not the full contribution. Fund a CRT with $1 million of appreciated stock at a 5% payout and a 20-year term, and the up-front deduction runs closer to $380,000 than to seven figures, because the IRS deducts only the present value of what charity eventually receives. That gap is the entire subject of this analysis.

The CRT sits at the expensive, complex end of the giving menu. It is an irrevocable split-interest trust: the donor (or another non-charitable beneficiary) collects an income stream for life or for a term of years, and whatever remains passes to charity. Compared with writing a check, dropping assets into a donor-advised fund setup and fees, or building a private foundation annual overhead, a CRT carries higher legal costs, tighter statutory rules, and a deduction formula that swings with interest rates. The question for a $150k+ household is whether the income stream and capital-gains deferral justify that friction.

The numbers that define a CRT

Five figures do most of the work in any CRT decision. They come from the Internal Revenue Code and current IRS rate tables, and they bound what the vehicle can and cannot do.

Sources: IRC §664 and IRS Form 5227 instructions (2025); IRS Section 7520 interest rate for July 2026; setup-cost range reflects trust-and-estate attorney fee benchmarks (secondary, model-specific quotes unavailable at publication).

The 10% rule is the constraint most donors underestimate. The value of the charitable remainder — calculated under Section 7520 at the time of the contribution — must equal at least 10% of the net fair market value of the property placed in the trust, or the trust does not qualify as a CRT at all. That single requirement kills high-payout, long-term, young-beneficiary structures. A 50% payout over two lives in your forties simply cannot leave 10% for charity on paper, so the IRS will not allow it.

How the deduction is actually calculated

Selling appreciated stock and donating the cash triggers capital-gains tax first. A CRT avoids that: the trust is tax-exempt under IRC §664(c), so it can sell the contributed asset without the donor recognizing gain at the point of sale. Gain instead comes back to the beneficiary gradually, taxed as the income stream is paid out. That deferral is the CRT’s structural advantage over a taxable sale, and it is the same logic that drives an appreciated stock donation tax treatment — except a CRT layers an income interest on top.

The deduction itself is not the contribution amount. It is the present value of the remainder interest: contribution value minus the present value of the payout stream the donor keeps. Three inputs move it. A higher payout rate shrinks the deduction because more value stays with the donor. A longer term or younger beneficiary shrinks it because the income stream lasts longer. And a higher Section 7520 rate — currently 5.20% for July 2026 — raises the deduction, because the IRS assumes the trust assets grow faster and leave more for charity.

Consider a 65-year-old funding a charitable remainder unitrust (CRUT) with $1,000,000 of appreciated stock, 5% annual payout, for one life. At a 5.20% Section 7520 rate, the charitable remainder factor lands the deduction in the neighborhood of $380,000–$420,000 depending on the exact valuation month and mortality assumptions. Figure unavailable at publication as a single point — IRS actuarial tables produce trust-specific results, so this is a range estimate based on standard CRUT valuation at current rates. What matters analytically: the donor deducts roughly 38–42 cents of remainder value per dollar contributed, not the whole dollar.

What the deduction is worth after OBBBA

Here the tax math changed, and most CRT coverage written before mid-2025 is now wrong. A deduction is only worth the rate at which it offsets income. For 2026 and later, a donor in the top 37% bracket does not get 37 cents back per deductible dollar. OBBBA caps the value of itemized deductions at 35% for taxpayers in the 37% bracket, effectively a 2-percentage-point haircut on every dollar of charitable deduction. Fidelity Charitable illustrates it plainly: a top-bracket filer’s $1,000 deduction now returns $350 rather than $370.

Two more OBBBA provisions bite. Itemizers can deduct charitable contributions only to the extent they exceed 0.5% of adjusted gross income — on $400,000 of AGI, the first $2,000 of giving produces no deduction. And the 60%-of-AGI cash ceiling was made permanent, while appreciated-property gifts to public charities, including the deduction generated by a CRT funded with such property, remain capped at 30% of AGI per IRS Publication 526 (2025), with a five-year carryover for the excess. For a large CRT gift, that carryover matters: a $400,000 deduction against $300,000 of AGI cannot be used in one year.

The through-line the Tax Foundation drew in early 2026 is that the top-bracket cap pushes high-net-worth donors toward vehicles where the benefit comes from capital-gains avoidance rather than the deduction — and a CRT is squarely one of those vehicles. The deduction shrank in value; the gain-deferral did not.

Setup and carrying costs

A CRT is a drafted, filed, annually administered entity, and the costs reflect that. Legal drafting typically runs a few thousand dollars for a straightforward trust and climbs with complexity; model-specific attorney quotes were not available from a primary source at publication, so treat the $3,000–$8,000+ range as a planning benchmark rather than a fixed price. On top of that sit trustee fees (often a percentage of assets if a corporate trustee is used), annual tax preparation, and the mandatory federal filing.

Every CRT must file Form 5227, the Split-Interest Trust Information Return, each year — that is a recurring compliance cost for the life of the trust, per the IRS Form 5227 instructions. Unlike a DAF versus private foundation efficiency comparison, where a DAF sponsor absorbs the filing burden, the CRT donor owns it. This is the practical reason CRTs rarely make sense below a mid-six-figure funding level: fixed setup and filing costs are a trivial percentage of a $1 million trust and a punishing one on $100,000.

Finluxy Giving Efficiency Rate

The proprietary metric here measures net dollars reaching charitable purpose divided by gross dollars the donor commits, expressed as a percentage — higher means the donor’s out-of-pocket cost buys more charitable impact. For a CRT, the calculation is unusual because charity does not receive the full contribution; it receives the remainder after the income stream is paid out. So the CRT’s efficiency depends heavily on how much the income beneficiary consumes versus how much survives to charity.

Sources: deduction values apply the OBBBA 35% top-bracket cap (Fidelity Charitable; Tax Foundation, 2026) to each vehicle’s allowable deduction; DAF pass-through reflects aggregate sector data from the Annual DAF Report 2025 (DAF Research Collaborative; series originated by National Philanthropic Trust). *CRT rate is a modeled range: the deduction is the present value of the remainder (~$40k on $100k), taxed at the 35% cap ($14k), while dollars ultimately reaching charity depend on trust performance over the term. Point figure unavailable — CRT outcomes are trust-specific.

The CRT scores lower on immediate efficiency than a direct gift or a DAF, and that is the honest read. Its deduction is smaller because the donor keeps an income interest, so net out-of-pocket cost per dollar committed is higher. The CRT earns its place on different grounds: it converts a concentrated, low-basis, appreciated position into a diversified income stream without an up-front capital-gains bill — a cash-flow and diversification tool that a DAF or direct gift cannot replicate. Measuring it purely on Finluxy Giving Efficiency Rate understates that, which is exactly why the metric needs the context around it.

The interest-rate factor most coverage skips

Standard CRT explainers treat the deduction as fixed. It is not — it moves every month with the Section 7520 rate, and the direction is counterintuitive. A CRT’s charitable deduction is larger when interest rates are high, because the IRS valuation assumes the trust grows faster and leaves a bigger remainder. The Section 7520 rate sat at 5.20% for July 2026, up from the sub-3% readings of a few years ago. That difference alone can swing a large CRT’s deduction by tens of thousands of dollars.

The overlooked corollary: donors get to choose. The IRS lets a donor use the Section 7520 rate for the month of the contribution or either of the two preceding months. In a rising-rate stretch, electing the highest of the three available rates maximizes the CRT deduction at no cost. Most articles never mention the election exists. For a seven-figure trust, running the valuation across three candidate months before funding is free money on the table — the opposite of the interest-rate logic that governs a qualified charitable distribution from an IRA, where no such rate election applies.

Practical context for a $150k+ household

For most households in the $150k–$400k range, a CRT is overbuilt. The setup and annual filing costs, the irrevocability, and the 10%-remainder constraint make sense mainly when three conditions line up: a large, highly appreciated, concentrated asset the donor wants to diversify; a genuine desire for a lifetime income stream rather than an immediate full gift; and a funding level high enough — generally mid-six-figures and up — that fixed costs disappear into the rounding. Households that simply want the tax deduction and charitable impact will do better, dollar for dollar, with a direct appreciated-stock gift or a DAF, both of which score higher on the Finluxy Giving Efficiency Rate above.

The OBBBA changes sharpen the threshold rather than move it. Because the 0.5%-of-AGI floor now erodes the first slice of any itemized giving and the 35% cap trims the top-bracket benefit, the tax-only case for any large charitable vehicle is modestly weaker in 2026 than it was in 2025 — which is why the capital-gains-deferral rationale, not the deduction, should drive a CRT decision. A household sitting on a $2 million founder’s stake with a $200,000 basis is the archetypal CRT candidate: the deferred gain on sale dwarfs the deduction haircut, and the income stream funds retirement. A household writing $20,000 annual checks is not. Where the line falls for a specific family depends on asset basis, age, income need, and state tax exposure, and modeling those against current Section 7520 rates with a trust-and-estate attorney is the step that turns this framework into a decision. For households weighing the full menu first, the charitable giving strategies for high earners is the better starting point before committing to an irrevocable structure.