Missouri Executor Fee: Is It Taxable, and Can You Waive It?

Two questions that go together: compensation is always taxable income, which is exactly why so many family personal representatives choose to waive it. Here's the full picture, with a real Missouri case on the tax side.

IRS Publication 559 · RSMo § 473.153 FigureMyTax Editorial Team

Quick answer: Yes, the compensation is always taxable, and yes, a Missouri personal representative can waive it. All personal representatives must report compensation as gross income — there's no exception for a one-time family fiduciary. What changes is how it's taxed: a family member handling a single estate generally owes regular income tax only, while someone in the trade or business of serving as a fiduciary also owes self-employment tax. Because compensation is taxable and an inheritance generally isn't, many family personal representatives who are also beneficiaries simply decline it. Estimate your Missouri compensation first with the executor fee calculator.

Part 1: is it taxable?

The trade-or-business test

IRS Publication 559, Personal Representatives: if you aren't in the trade or business of serving as a personal representative — for instance, you're administering a relative's estate as a one-time matter — you report the compensation as other income on Schedule 1 (Form 1040), line 8z. If you are in that trade or business — typically a professional fiduciary or someone who does this repeatedly — you report it as self-employment income on Schedule C, which brings in self-employment tax.

Why it matters: self-employment tax

Self-employment tax adds 15.3% (Social Security and Medicare combined) on top of regular income tax, calculated on Schedule SE. A one-time family fiduciary in Missouri generally avoids this layer entirely by reporting on Schedule 1 instead of Schedule C — the compensation is still taxed as ordinary income, just without the extra 15.3%.

A Missouri-specific wrinkle: when the will pays more than the statute would

Matter of Estate of Lamb, 533 S.W.2d 560 (Mo. 1976): a will gave the executor a fixed sum "in lieu of all statutory commission and compensations to which he might otherwise have been entitled." The court held that the portion of that sum exceeding the statutory minimum was taxable as a bequest rather than compensation — but only because there were no findings on what reasonable compensation actually was. The lesson: if a will pays more than the RSMo § 473.153 schedule would produce, get clear on whether the excess is really compensation for services (taxable) or effectively a gift (generally not), since the characterization matters and isn't automatic.

Does a 1099 change anything?

No. A Form 1099 (whether 1099-NEC or 1099-MISC) is a reporting mechanism, not the rule itself. Getting a 1099 doesn't automatically mean you're "in business" as a fiduciary, and not getting one doesn't mean the compensation isn't taxable. Report the income according to the trade-or-business test above regardless of what form, if any, you receive.

Worked example: the tax treatment

A personal representative administers a parent's Missouri estate with a $400,000 fee base, receiving the $11,550 statutory minimum under RSMo § 473.153. As a one-time family fiduciary: reported as $11,550 other income, Schedule 1, line 8z; no self-employment tax; regular federal income tax owed at the fiduciary's normal rate. A professional fiduciary handling the same estate would instead report it on Schedule C, owing both income tax and the 15.3% self-employment tax.

Part 2: should you waive it?

Missouri gives you two different ways to decline

RSMo § 473.153 offers two separate paths: (1) if the will sets a specific compensation amount, the personal representative can renounce that provision by filing a written instrument with the court before qualifying — switching them to the statutory schedule instead; (2) separately, a personal representative can renounce their right to all or any part of the statutory compensation, since nothing compels a request to be made.

Why personal representatives waive the fee

  • The tax difference. Compensation is taxable income, as shown above; an inheritance generally isn't. A beneficiary-fiduciary sometimes ends up with more after-tax money by skipping compensation and simply inheriting the full share instead.
  • Family dynamics. Taking compensation out of the estate reduces what's left for other heirs. Some personal representatives waive it to avoid that friction, especially on a modest estate.
  • It was never expected to be paid. Many family members step in assuming the role is unpaid, without realizing Missouri law actually entitles them to a statutory commission.

Make it a deliberate decision

Say it out loud: the statutory schedule is available under § 473.153 by default. A personal representative who assumes they won't be paid may later find other heirs expected exactly that — or discover, only when someone asks, that compensation was available all along. Discuss it openly with beneficiaries, ideally before administration is far along, so the decision to seek it (or not) is made knowingly.

Worked example: the full tax tradeoff

A personal representative who is also the sole heir administers the same $400,000 Missouri estate, entitled to the $11,550 statutory minimum.

  • Takes the compensation: $11,550 taxable income (per the rules above), reducing what's left in the estate to distribute by $11,550.
  • Waives it: the $11,550 stays in the estate and passes to the fiduciary as part of their inheritance instead — generally not taxable income to them.

Simplified for illustration; actual tax outcomes depend on the fiduciary's full financial picture. Consult a CPA before deciding.

Facing probate in Missouri?

A local probate attorney can review your estate — many offer a free consultation.

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Missouri executor fee — taxable & waiver FAQ

Is the Missouri executor fee taxable?

Yes. All personal representatives must report compensation as gross income under IRS Publication 559. A one-time family fiduciary reports it as other income on Schedule 1, line 8z, with no self-employment tax. A professional or repeat fiduciary reports it on Schedule C and owes the 15.3% self-employment tax on top of regular income tax.

Can a Missouri executor waive their fee?

Yes. RSMo § 473.153 allows a personal representative to renounce all or any part of the statutory compensation. If the will sets compensation, the personal representative can separately renounce that provision by filing a written instrument with the court before qualifying, and receive the statutory schedule instead.

What happened in the Missouri Estate of Lamb case about executor compensation?

In Matter of Estate of Lamb (Mo. 1976), a will gave the executor a fixed sum "in lieu of all statutory commission," and the Missouri Supreme Court held that the amount exceeding the statutory minimum was taxable as a bequest rather than compensation, in the absence of findings about what reasonable compensation actually was.

Does getting a 1099 change how the Missouri executor fee is taxed?

No. A Form 1099 is a reporting mechanism, not the rule itself. Getting one doesn't automatically make you "in business" as a fiduciary, and not getting one doesn't mean the compensation isn't taxable — the trade-or-business test decides that, not the 1099.

Why would a Missouri personal representative waive the fee instead of taking it?

Mainly the tax difference: compensation is taxable income while an inheritance generally isn't, so a beneficiary-fiduciary sometimes nets more after tax by waiving the fee and taking a larger inheritance share instead. Many family members also step into the role assuming it's unpaid, without realizing Missouri law entitles them to a statutory commission.

Estimate for general guidance only, not tax or legal advice. Based on IRS Publication 559, RSMo ยง 473.153, and Matter of Estate of Lamb, 533 S.W.2d 560 (Mo. 1976). The federal tax rules apply the same way regardless of state; only the underlying compensation amount is Missouri-specific here. Whether self-employment tax applies depends on your specific facts. A will's own compensation terms control unless renounced in writing before the personal representative qualifies; a personal representative can otherwise decline compensation at any time. Consult a CPA or Missouri probate attorney for your situation before filing or deciding.