IRS Estate Appraisal Requirements: Deadlines and Penalties

The IRS estate appraisal requirements call for a written, USPAP-compliant report from a qualified, independent appraiser, valuing each non-market asset at its fair market value as of the date of death (or the alternate valuation date, if elected). A formal appraisal is required whenever the estate must file Form 706, whenever personal effects of artistic or intrinsic value exceed $3,000, and, as a practical matter, whenever a beneficiary will need documented stepped-up basis or a surviving spouse wants to preserve portability. For a decedent dying in 2026, Form 706 is required when the gross estate combined with adjusted taxable gifts and specific exemption exceeds $15 million.¹

When You Need a Formal Appraisal

Not every asset needs an appraiser. Bank accounts, CDs, and publicly traded securities can be valued from statements and closing prices. Appraisals are for assets without an obvious market price: real estate, closely held business interests, complex financial instruments, and unique personal property like jewelry, art, coins, and antiques.

Federal regulations set a specific threshold for personal effects. If items of artistic or intrinsic value total more than $3,000, the executor must attach an expert appraisal, made under oath, to the return.² That number is low enough to catch most estates that include any meaningful jewelry, art, or collectibles.

Estates well below the $15 million federal filing threshold often still need appraisals for two reasons. First, property acquired from a decedent generally takes a basis equal to its fair market value on the date of death.³ Without a professional appraisal documenting that value, the beneficiary has no defensible cost basis when the property is eventually sold, and the IRS can challenge whatever figure gets reported on a later capital gains return. For a home held for decades or shares in a private company, the difference can amount to tens of thousands in additional tax.

Second, portability. A surviving spouse can inherit the deceased spouse’s unused exclusion amount, but only if the executor files Form 706 and elects portability.⁴ For estates not otherwise required to file, a simplified procedure gives the executor up to five years from the date of death to file a portability-only return, provided the top of the return notes that it is filed pursuant to Revenue Procedure 2022-32.⁵ Even in a portability-only filing, gross estate values still need to be established with reasonable accuracy.

State thresholds are separate. Roughly a dozen states and the District of Columbia impose their own estate taxes, and several others levy inheritance taxes, with some exemptions starting as low as $1 million. An estate that owes nothing federally may still need appraisals to support a state return, and property in more than one state can create filing obligations in each.

Who Counts as a Qualified Appraiser

The IRS does not accept a valuation from anyone with an opinion. A qualified appraiser must hold either a recognized professional designation showing competency in valuing the specific type of property, or a combination of relevant education and at least two years of experience buying, selling, or valuing that type of property.⁶ Credentials in one asset class don’t cross over: a real estate appraiser is not qualified to value a coin collection.

The appraiser must follow the Uniform Standards of Professional Appraisal Practice (USPAP) or equivalent professional standards.⁷ USPAP dictates how the analysis is documented and the ethical rules that prevent conflicts of interest.

Independence is strict. The appraiser cannot be the executor, a beneficiary, a former employee of the decedent, or a relative of any of those parties. The appraiser also cannot be someone the decedent or executor regularly used for appraisal work, because that familiarity creates a risk of bias.⁸

Fees tied to the appraised value are prohibited. An appraiser paid a percentage of the final number has an obvious incentive to move it, and that destroys credibility with the IRS. Flat fees or hourly rates are the accepted structures, and the report must include a signed declaration by the appraiser affirming qualifications and independence for the specific property being valued.

What the Appraisal Report Must Contain

A report that reaches the right number but skips required elements is not usable for tax purposes. Every qualified appraisal attached to Form 706 is expected to contain:

A detailed, unambiguous description of the property. For real estate, this means legal description, physical characteristics, and condition. For business interests, entity type, ownership percentage, and relevant financial data.
The valuation date, whether the date of death or the elected alternate valuation date.
A statement that the appraisal was prepared for federal estate tax purposes.
A full explanation of the valuation methodology used, whether comparable sales, income capitalization, replacement cost, or some combination, with justification for why the chosen method fits the asset.
The supporting data relied on, including market data, financial statements, and comparable transactions.
A statement of the appraiser’s education, experience, and credentials for valuing this type of property.
A dated, signed declaration that the appraisal was prepared in accordance with applicable standards and that the appraiser meets the independence requirements.

For personal effects with artistic or intrinsic value exceeding $3,000, the appraisal must be made under oath and accompanied by the executor’s written statement, made under penalty of perjury, confirming the completeness of the property list and the disinterested character of the appraiser.²

Timing, Deadlines, and the Alternate Valuation Date

Form 706 is due nine months after the date of death.⁹ An automatic six-month extension is available by filing Form 4768 before the original deadline, pushing the filing date to fifteen months after death.¹⁰ The extension covers filing only; it does not extend the time to pay estate tax.

The appraisal itself should be started as soon as practical after the death. Values are set as of the date of death, so the appraiser has to reconstruct market conditions at that point. Waiting makes it harder to gather comparable sales and market evidence, and a long gap between death and the appraisal gives the IRS an easier path to question the report’s reliability.

The executor can elect to value the estate six months after the date of death instead, but only if doing so reduces both the gross estate and the total estate tax liability.¹¹ The election is irrevocable, must be made on the return, and is unavailable if the return is filed more than one year after its due date including extensions. Any asset sold or distributed before the six-month date is valued as of the date of disposition. If the election is made, the appraiser has to determine fair market value at the alternate date, which is a separate analysis from the date-of-death valuation, and the stepped-up basis for beneficiaries shifts to reflect the alternate value.³

Penalties for Getting the Value Wrong

Valuation errors carry consequences beyond the extra tax owed. Accuracy-related penalties run on a sliding scale keyed to how far off the reported value was:

A 20% penalty applies when the reported value is 65% or less of the correct value. This is a “substantial estate or gift tax valuation understatement.”¹²
A 40% penalty applies when the reported value is 40% or less of the correct value, called a “gross valuation misstatement.”¹²

Neither penalty applies unless the resulting tax underpayment exceeds $5,000.¹² In an estate large enough to owe federal tax, that floor is easy to blow past. Penalties come on top of the additional tax and interest.

The risk runs the other direction too. Overvaluing estate assets to inflate a beneficiary’s stepped-up basis triggers accuracy-related penalties under the income tax rules: 20% when the claimed basis exceeds 150% of the correct amount, and 40% when it exceeds 200%.¹²

Closely Held Business Interests

This is where estate appraisals get genuinely hard and where the IRS looks hardest. A minority stake in a family business has no daily closing price and no ready market. The appraiser has to analyze several years of the company’s financial performance, its dividend-paying capacity, industry conditions, and the economic outlook for the business.

Appraisers routinely apply discounts to reflect the limitations of the inherited interest. A minority stake with no voting control is worth less than a controlling one, and a share in a private company that cannot be sold on a public exchange is worth less than the same percentage of a listed company. Discounts for lack of marketability and minority interest often run 20% to 40%, which is precisely why the IRS scrutinizes them so heavily. Every discount claimed must be supported by market evidence and relevant case law.

Fees for these valuations reflect the work. A small-to-mid-sized closely held business typically runs from a few thousand dollars to $10,000 or more, depending on the entity’s complexity and the quality of its financial records.

Art and High-Value Collectibles

Any single piece of art appraised at $50,000 or more will be referred to the IRS Art Advisory Panel for review during an examination. The panel is composed of outside art-world experts who evaluate submitted appraisals and recommend whether the IRS should accept or adjust the reported value. The appraisal has to include professional-quality color photographs, generally 8-by-10 inch, showing the work in enough detail for experts to evaluate remotely.¹³ The report should also document provenance, exhibition history, condition, and comparable auction results.

Requesting a Pre-Filing Statement of Value

For art valued at $50,000 or more, the executor can request a Statement of Value from the IRS before filing the estate tax return. The request must include a copy of the appraisal, a description of the item, the appraised value, and a user fee of $2,500 for up to three items of art, plus $250 for each additional item. The IRS typically issues the Statement within six months to a year. If the return has to go in first, the executor should note that a Statement has been requested, attach a copy of the request, and file a supplemental return once the Statement arrives.⁸

Special Use Valuation for Farms and Business Real Estate

Under Section 2032A, the executor can elect to value qualifying farm or other business real property based on its current use rather than its highest-and-best-use market value. A family farm surrounded by suburban development might be worth $5 million to a developer but only $1.5 million as a working farm; the election lets the estate use the lower figure.¹⁴ The maximum reduction is capped and adjusted annually for inflation; for decedents dying in 2026, that cap is approximately $1,460,000.

Qualification requires a use test (the property must have been used for farming or another qualifying business by the decedent or a family member for at least five of the eight years before death, with material participation), percentage tests tied to the gross estate, and a written recapture agreement signed by every person with an interest in the property.¹⁴ If a qualifying heir sells to a non-family member or converts the property to a non-qualifying use within ten years, the tax savings recapture, with interest running from the original due date.

For the appraiser, Section 2032A means producing two numbers: the special-use value and the fair market value. The IRS compares both to verify the claimed reduction stays within the statutory cap.

1
Internal Revenue Service. What’s New — Estate and Gift Tax
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eCFR. 26 CFR 20.2031-6 – Valuation of Household and Personal Effects
3
Office of the Law Revision Counsel. 26 USC 1014 – Basis of Property Acquired From a Decedent
4
Internal Revenue Service. Form 706 – United States Estate and Generation-Skipping Transfer Tax Return
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Internal Revenue Service. Revenue Procedure 2022-32
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Internal Revenue Service. Instructions for Form 8283
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Internal Revenue Service. Notice 2006-96 – Guidance Regarding Appraisal Requirements for Noncash Charitable Contributions
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Internal Revenue Service. Revenue Procedure 96-15
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Office of the Law Revision Counsel. 26 USC 6075 – Time for Filing Estate and Gift Tax Returns
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eCFR. 26 CFR 20.6081-1 – Extension of Time for Filing the Return
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Office of the Law Revision Counsel. 26 USC 2032 – Alternate Valuation
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Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
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Internal Revenue Service. 4.25.12 Valuation Assistance
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Office of the Law Revision Counsel. 26 USC 2032A – Valuation of Certain Farm, Etc., Real Property