Date: Mar 30, 2026

Conservation-Easement Valuation: Highest-and-Best-Use Must Be Financially Feasible; Publicly Financed “Megasite” Pricing Is Not Fair-Market Evidence

1. Introduction

This Eleventh Circuit decision (unpublished) affirms a U.S. Tax Court ruling sustaining 40% gross-valuation-misstatement penalties under I.R.C. § 6662(h) against Jackson Crossroads, LLC and Long Branch Investments, LLC (together, the “Petitioners”), with Greencone Investments, LLC as Tax Matters Partner, in connection with conservation-easement deductions claimed for tax year 2016.

The Petitioners claimed charitable-contribution deductions totaling over $36.9 million for perpetual conservation easements donated to the Oconee River Land Trust. The IRS challenged the deductions and, at minimum, asserted that the easements were worth far less than claimed. After a trial dominated by competing expert testimony (mining feasibility, market demand, and appraisal methodology), the Tax Court found dramatically lower easement values—about $1.17 million for Jackson Crossroads and $1.57 million for Long Branch—triggering gross-valuation-misstatement penalties because the claimed values exceeded 200% of the amounts the court found correct.

On appeal, the Petitioners attempted to recast core valuation disputes as legal errors (burden of proof, “fair market value” inputs, feasibility methodology, highest-and-best-use standards, comparable selection, and penalty application). The Eleventh Circuit treated the appeal primarily as a challenge to factual findings reviewed for clear error and affirmed across the board.

2. Summary of the Opinion

The Eleventh Circuit affirmed the Tax Court’s valuation and penalty determinations. It held that:

The Tax Court correctly placed the burden on Petitioners to show the IRS was wrong, and there was no burden shifting in a deduction dispute.
The Tax Court did not clearly err by declining to increase values based on alleged 2016 “meg asite” activity, and it was not required to cite every witness (including Shane Short) expressly.
The Tax Court did not err in rejecting a hypothetical granite quarry as Jackson Crossroads’s highest and best use where financial feasibility was not proven and the scenario was too risky.
The Tax Court did not err in rejecting industrial development as Long Branch’s highest and best use as speculative and unsupported by 2016 market realities and feasibility constraints.
The Tax Court did not clearly err in selecting the Commissioner’s comparable sales and discounting Petitioners’ comparables that presupposed speculative industrial entitlements.
Because Petitioners’ claimed values exceeded 200% of the values found correct, the 40% gross-valuation-misstatement penalty applied; and the good-faith defense is unavailable for gross overstatements of charitable deduction property under I.R.C. § 6664(c)(3).

3. Analysis

3.1. Precedents Cited

The panel anchored its affirmance in a set of Eleventh Circuit conservation-easement valuation cases and general tax/valuation principles:

Conservation easements, “before-and-after,” and highest-and-best-use constraints

Champions Retreat Golf Founders, LLC v. Comm'r, 959 F.3d 1033 (11th Cir. 2020): Cited for the basic conservation-easement framework—donating perpetual development restrictions as a deductible conservation interest. It contextualizes why valuation disputes commonly turn on development potential and restrictions “in perpetuity.”
TOT Prop. Holdings, LLC v. Comm'r, 1 F.4th 1354 (11th Cir. 2021): Used for the requirement that highest and best use must be likely in the “reasonably near future,” and for the admonition that a proposed use can be “too risky to qualify.” This case supports the Tax Court’s rejection of speculative mine/industrial narratives when feasibility and near-term probability are not substantiated.
Palmer Ranch Holdings Ltd v. Comm'r, 812 F.3d 982 (11th Cir. 2016): A central authority on conservation-easement valuation mechanics and standard of review. It provides (i) the highest-and-best-use definition, (ii) the principle that the “highest and best use may not be the maximally profitable imaginable use,” and (iii) the court’s approach to comparable-sales valuation and after-value analysis. It also supplies the key burden point: “when a dispute exists between the IRS and a taxpayer over the amount of a deduction, ‘there is no burden shifting.’”
Symington v. Comm'r, 87 T.C. 892 (1986): Quoted (via Palmer Ranch) for the formulation of highest and best use as the “most profitable use” adaptable and “likely to be needed in the reasonably near future.” This reinforces the objective, market-based character of the inquiry.

Appraisal methodology and “real-world basis”

Whitehouse Hotel Ltd. P'ship v. Comm'r, 615 F.3d 321 (5th Cir. 2010): Cited for a clear explanation of the income method (including capitalization and discounted-cash-flow concepts), helping frame the dispute about whether an income approach was appropriate for an exploratory-stage mineral property.
Cox Enters., Inc. v. News-J. Corp., 510 F.3d 1350 (11th Cir. 2007): Cited for the discounted-cash-flow model’s basic economic premise—future money is worth less than money today—supporting the legitimacy of DCF as a valuation tool when applied with defensible assumptions.
Davis v. Comm'r, 716 F.3d 560 (11th Cir. 2013): Used to distinguish mere disagreement with an expert’s assumptions from a legal flaw in methodology; no legal error exists where the valuation has a “solid, real-world basis.”
Dunn v. Comm'r, 301 F.3d 339 (5th Cir. 2002): Invoked as a contrast case where valuation error stemmed from failing to account for a required component (built-in tax liability at the correct statutory rate). The Eleventh Circuit used it to illustrate what a genuine methodology failure might look like—then found none here because the IRS expert did not ignore the granite value but modeled it and still reached negative NPV.
Caracci v. Comm'r, 456 F.3d 444 (5th Cir. 2006): Another contrast case cited for when a court selects an “inappropriate” valuation method and affirms deficiency notices that were conceded erroneous—used to show that the Tax Court’s approach here remained within accepted valuation practice.

Standards of review, evidentiary deference, and burden

Ocmulgee Fields, Inc. v. Comm'r, 613 F.3d 1360 (11th Cir. 2010): Cited for the clear-error standard (“definite and firm conviction that a mistake has been committed”). This standard is pivotal because the appeal primarily sought to relitigate expert credibility and factual inferences.
Curtis Inv. Co. v. Comm'r, 909 F.3d 1339 (11th Cir. 2018): Cited for the rule that where two permissible views of the evidence exist, the factfinder’s choice between them is not clearly erroneous. This underwrites affirmance in a “battle of experts.”
Welch v. Helvering, 290 U.S. 111 (1933): Used to reaffirm the presumption of correctness of IRS determinations and the taxpayer’s burden to prove them wrong. The panel then narrows the burden debate through Palmer Ranch’s “no burden shifting” statement for deduction-amount disputes.
Lee v. Comm'r, Ala. Dep't of Corr., 726 F.3d 1172 (11th Cir. 2013): Cited for the proposition that a trial court need not mention every piece of evidence to have “considered” it—relevant to Petitioners’ complaint that the Tax Court did not specifically address Shane Short’s testimony.
Gustashaw v. Comm'r, 696 F.3d 1124 (11th Cir. 2012): Cited for clear-error review of the Tax Court’s penalty determination, facilitating affirmance once the valuations were upheld.

3.2. Legal Reasoning

(a) The court framed the appeal as factual, not doctrinal

The Petitioners tried to characterize the case as turning on “matters of law” (what “fair market value” must include; what feasibility method is required; what standard governs highest and best use; what makes a “comparable” legally comparable). The panel rejected that reframing. It held the dispute was “primarily a factual one” about valuation, expert credibility, and reasonableness of inferences—reviewed for clear error. This framing is outcome-determinative in valuation appeals: it narrows the appellate path to reversal.

(b) Fair market value is objective and contemporaneous, not policy-driven or hindsight-based

The opinion repeatedly returns to the regulatory definition of fair market value—price between a willing buyer and willing seller with reasonable knowledge of relevant facts (26 C.F.R. § 1.170A-1(c)(2)). The panel accepted the Tax Court’s skepticism of using publicly financed “megasite” transactions as fair-market indicators, because such pricing may reflect incentives and economic-development policy rather than ordinary market demand.

Relatedly, the court treated later corporate investments (e.g., Facebook in 2018; state-backed Rivian-related acquisitions in 2021) as weak indicators of what was “reasonably foreseeable” as of December 2016, especially when the megasite effort stalled and options were not renewed. This reinforces a core valuation principle: appraisals for charitable deductions should be anchored to facts known or reasonably knowable at the contribution date, not subsequent successes that validate a speculative thesis.

(c) Highest and best use demands more than conceptual possibility—it requires feasibility and near-term probability

For Jackson Crossroads, the Tax Court accepted legal/physical possibility of mining but rejected financial feasibility. The Eleventh Circuit endorsed that structure: highest and best use is not satisfied by “could be mined,” but by whether mining was realistically profitable and not “too risky to qualify” (drawing from 26 C.F.R. § 1.170A-14(h)(3)(ii), TOT Prop. Holdings, LLC v. Comm'r, and Palmer Ranch Holdings Ltd v. Comm'r).

Critically, the panel treated the dispute over the IRS expert’s DCF assumptions (e.g., capital expenditures, demand, payback horizon) as a classic factual clash. It found no “methodological error” because the IRS expert used an accepted income method—indeed, the same category of method Petitioners’ experts used—and did not assign the granite “zero” value; rather, he modeled large revenues but concluded they did not overcome costs in NPV terms. The appellate court thereby drew a line between (i) contestable assumptions (factual) and (ii) an impermissible method (legal error).

For Long Branch, the court similarly treated industrial development as speculative because it depended on conceptual plans, questionable transport access, uncertain rail feasibility, and market demand the Commissioner’s experts found lacking in 2016. The Tax Court’s preference for “more specific to the region” testimony was treated as a credibility determination insulated by clear-error review.

(d) Comparable-sales selection is an appraisal judgment call reviewed deferentially

Petitioners’ “dominant feature” argument (that comparables must reflect granite reserves or industrial zoning) was rejected as a mischaracterization: the Tax Court did not announce a legal rule; it made a comparative factual judgment about which sales best matched the properties given zoning, entitlements, and the speculative nature of the proposed uses.

The court highlighted two evidentiary weaknesses for Petitioners: (1) their own experts acknowledged more mineral testing was needed; and (2) Petitioners did not establish that the Commissioner’s comparables lacked granite—only that they were minimally explored. In that posture, the Tax Court was entitled to prefer agricultural/residential comparables over industrial-zoned parcels “scattered throughout the Atlanta metropolitan area.”

(e) Penalties followed mechanically once valuation findings were upheld

With the Tax Court’s valuations affirmed, the gross-valuation-misstatement penalty was straightforward: under I.R.C. § 6662(h), a claimed value exceeding 200% of the correct value is “gross,” triggering a 40% penalty. The court also emphasized that the good-faith defense under I.R.C. § 6664(c)(1) is unavailable for gross overstatements of charitable deduction property under I.R.C. § 6664(c)(3), limiting equitable escape routes in conservation-easement valuation cases once “gross” is found.

3.3. Impact

Although “NOT FOR PUBLICATION,” the decision is practically significant within the Eleventh Circuit’s conservation-easement jurisprudence because it:

Strengthens the feasibility gatekeeping function of “highest and best use” in easement valuations: legal/physical possibility is insufficient without credible financial feasibility grounded in contemporaneous market data.
Warns against relying on government-led megasite pricing as a proxy for fair market value, especially where incentives, economic-development motives, or post-valuation developments may distort ordinary-market comparability.
Reinforces appellate deference in expert-driven valuation trials: taxpayers face long odds overturning a Tax Court valuation when the record supports “two permissible views.”
Highlights penalty exposure: when deductions are multiples of defensible valuation ranges, the 200% “gross” threshold can be crossed easily, and the statutory unavailability of the good-faith defense for charitable property overstatements increases downside risk.

For appraisers and litigants, the case underscores a recurring litigation pattern: conceptual plans, preliminary testing, and aspirational development narratives can fail unless paired with rigorous evidence of entitlements, permitting timelines, infrastructure feasibility, and market absorption as of the donation date.

4. Complex Concepts Simplified

Conservation easement: A recorded promise restricting development of land forever, donated to a qualified organization. The donor may claim a charitable deduction equal to the value of the surrendered development rights.
Before-and-after method (26 C.F.R. § 1.170A-14(h)(3)): Value the land before the easement (no restriction) and after the easement (restricted). The easement’s value is the difference.
Highest and best use: Not the most lucrative imagined use, but the most profitable use that is realistically feasible and likely in the reasonably near future, considering zoning, laws, and practical constraints.
Discounted cash flow (DCF): A way to convert future expected profits into today’s dollars, reflecting risk and the time value of money. A project can have large total revenue but still be worth less than its costs when discounted to present value.
Comparable sales: Using actual sales of similar properties to estimate value. “Comparable” does not mean identical; it means sufficiently similar after accounting for differences (location, zoning, size, entitlements, timing).
Clear-error review: On appeal, factual findings stand unless the appellate court is firmly convinced a mistake occurred. If the trial court’s view is plausible, the appellate court will not reweigh the evidence.
Gross valuation misstatement penalty: If the claimed value is more than double the correct value, a 40% penalty applies to the underpayment attributable to that misstatement (I.R.C. § 6662(h)). In this context, “good faith” generally cannot excuse a gross overstatement of charitable deduction property (I.R.C. § 6664(c)(3)).

5. Conclusion

The Eleventh Circuit affirmed the Tax Court’s sharply reduced conservation-easement valuations and resulting 40% gross-valuation-misstatement penalties. The decision’s core lesson is that conservation-easement value hinges on objective, contemporaneous market realities: a proposed “highest and best use” must be supported by credible evidence of feasibility and near-term likelihood, not conceptual plans, preliminary resource indications, or later-emerging government-led development successes. Once a court credits the government’s valuation evidence and the claimed deduction exceeds the 200% “gross” threshold, penalty consequences follow with limited room for avoidance.