Diamond a Ranch, Western Division, L.L.C. v. Wolf

CourtDistrict Court, District of Columbia
DecidedSeptember 29, 2025
DocketCivil Action No. 2020-3478
StatusPublished

This text of Diamond a Ranch, Western Division, L.L.C. v. Wolf (Diamond a Ranch, Western Division, L.L.C. v. Wolf) is published on Counsel Stack Legal Research, covering District Court, District of Columbia primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Diamond a Ranch, Western Division, L.L.C. v. Wolf, (D.D.C. 2025).

Opinion

UNITED STATES DISTRICT COURT FOR THE DISTRICT OF COLUMBIA

DIAMOND A RANCH, et al.,

Plaintiffs,

v. Case No. 20-cv-3478 (CRC)

KRISTI NOEM 1, in her official capacity as Secretary of the U.S. Department of Homeland Security, et al.,

Defendants.

MEMORANDUM OPINION

Good fences surely make good neighbors. But what happens when the unwelcome

construction of a fence by the federal government causes collateral damage to a neighbor’s land?

Has the government violated the neighbor’s due process rights?

Plaintiffs Diamond A Ranch, Western Division, L.L.C., and the Guadalupe Ranch

Corporation (collectively “the Ranch”) own land in Arizona next to a strip of federal property

along the U.S.-Mexico border. The Ranch claims that the government’s construction of the

border wall on that property visited various harms on its land—chiefly debris falls from blasting

activity, an increased risk of flooding, and occasional physical trespasses by workers. These

transgressions, the Ranch says, deprived it of property in violation of the Fifth Amendment’s

procedural and substantive due process protections. But while the government’s alleged conduct

was far from neighborly, and might warrant relief through other means, the Ranch’s

allegations—in both the present complaint and a proposed amended one—fall short of stating a

1 Pursuant to Federal Rule of Civil Procedure 25(d), the current Secretary of the Department of Homeland Security is automatically substituted as a party in this action. due process violation. The Court will therefore grant the government’s motion to dismiss the

case.

I. Background

The Court draws the following background from the Ranch’s First Amended Complaint

(“FAC”) except where otherwise noted.

The Ranch owns property near the United States’ border with Mexico in Cochise County,

Arizona. FAC ¶¶ 14, 45. That property abuts the Roosevelt Reservation, a sixty-foot strip of

federal land along the border running from California to New Mexico. Id. ¶ 47. President

Theodore Roosevelt first set aside the Reservation “as a protection against the smuggling of

goods between the United States and Mexico.” Id. Today, the Reservation makes it “relatively

easy for the federal government to build infrastructure to prevent illegal border crossings.” Id.

The complaint describes the region of the Reservation neighboring the Ranch as “rugged,

remote, and incredibly steep mountainous terrain.” Id. ¶ 48. This foreboding landscape

“traditionally deterred illegal immigrants from crossing the border into the region,” and the

Ranch frequently cooperated with government officials and “negotiated rights of entry” for

officials “to facilitate border security improvement.” Id.

On January 25, 2017, President Trump issued Executive Order 13767, entitled “Border

Security and Immigration Enforcement Improvements,” ordering the construction of a border

wall. Id. ¶ 53 (citing Exec. Order No. 13767, 82 Fed. Reg. 18 (Jan. 30, 2017)). Soon thereafter,

then-DHS Secretary John Kelly directed Customs and Border Protection (“CBP”) to begin work

on the wall. Id. ¶ 54. And on February 15, 2019, the President declared an emergency at the

southern border, which expanded the role of the Department of Defense in building the wall. Id.

¶ 55.

2 Pre-construction activities near the Ranch began about a year later. The Ranch alleges

that on February 18, 2020, “a border wall team” comprised of personnel from CBP, the U.S.

Army Corps of Engineers (“USACE”), and a private contractor entered its property without prior

notice or legal authorization. Id. ¶ 59. When the Ranch complained, a CBP official purportedly

assured it that the government did not plan to build near its land because the area was too rugged

for construction. Id. ¶ 60. The contractors, meanwhile, indicated that any blasting required for

potential construction would be minimal. Id. The Ranch insists that these assurances were

illusory and that the agencies involved engaged in no meaningful consultation with the Ranch

about how to minimize impact on the area prior to beginning construction. Id.

Construction began in early July 2020. According to the complaint, the construction

involved “level[ing] the steep terrain” by “blast[ing] large portions of the hillsides into the

valleys below.” Id. ¶ 65. Because contractors “neglected to use” necessary precautions like

“blast mats, shields, or walls,” they “blasted demolition dust, shrapnel, and car-sized boulders off

the Roosevelt Reservation onto Ranch Property.” Id. ¶ 66. Contractors also drove heavy

equipment on its property, the Ranch claims. Id. ¶¶ 61–62. Although not stated in the

complaint, the Ranch acknowledges the contractors drove on the land at this time to remove

debris from the blasts. See Tr. of Mot. Hearing, Sep. 2025 (“Sep. 2025. Tr.”), ECF No. 84, at

40:24–41:7.

The Ranch highlights work done on “Shadow Mountain,” an “extremely steep” rock

feature that is positioned such that “any debris displaced from Roosevelt Reservation would

predictably roll far down the hill onto the Ranch property.” FAC ¶ 98. According to the Ranch,

the government offered assurances that contractors would prevent debris falls from this work and

other efforts, but some of the most destructive activity came after those promises. Id. ¶¶ 99–103.

3 The debris blasts reportedly caused and will continue to cause adverse environmental

consequences for the Ranch and the surrounding waterways and land. See, e.g., id. ¶¶ 69, 73.

The Ranch also emphasizes construction work in the bed of Guadalupe Creek, a seasonal

creek which flows south through the Guadalupe Canyon into Mexico and traverses the Ranch’s

property. Id. ¶ 72. The Ranch describes attempts to work with the construction team to find a

“workable solution” for reducing the risks of flooding due to the placement of barriers in the

creek bed. Id. ¶ 74. The Ranch alleges that the government initially refused to share a study it

had completed on the issue and that when the Ranch finally did see the study, it was too

“meager” for the government to make “informed” decisions about construction in the creek bed.

Id. The Ranch claims that it offered the government more detailed records concerning rainfall in

the canyon watershed to supplement its own research, but the assistance was refused. Id. ¶ 75.

According to the Ranch, the government began erecting obstructions in the creek bed despite

assurances that it would not do so. Id. ¶¶ 77, 80.

The Ranch further contends that the government dealt with its representatives in bad

faith. Id. ¶ 92. Despite going through the motions of consultation, the Ranch says, the agencies

involved did not stop entering its land or seek to negotiate a right of entry; did not ensure that

contractors stayed within the boundaries of the Roosevelt Reservation; did not follow through on

various assurances made to the Ranch about how the construction would proceed, including

commitments to stop debris falls; did not provide studies or reports on the impact of the project;

and did nothing to fix damage created by the construction despite promises to do so. Id. ¶¶ 92–

103.

The Ranch filed this suit in November 2020. It named as defendants the Secretary of

Homeland Security and officials of CBP, the U.S.

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