Alcantar v. Costco — Fourth Circuit upheld judgment for Costco because no breach was proven

Case
Arnold Alcantar v. Costco Wholesale Corporation
Court
U.S. Court of Appeals for the Fourth Circuit
Judge
Heytens; Berner; Floyd
Date Decided
August 20, 2026
Docket No.
25-2009
Topics
Negligence, Breach of Duty, Clear-Error Review, Assumption of Risk
Source
Read the full opinion

Background

Arnold Alcantar sued Costco Wholesale Corporation for negligence. He claimed that a Costco employee agreed to help lift a heavy grill on Alcantar’s three-count but did not actually provide that assistance.

Following a one-day bench trial, the U.S. District Court for the District of Maryland made partial findings of fact and entered judgment for Costco. Alcantar appealed, challenging the district court’s findings about whether the employee agreed to lift the grill box on his count and then failed to do so.

The Court’s Holding

The Fourth Circuit affirmed in an unpublished per curiam opinion. Applying clear-error review, the court found no basis to disturb the district court’s factual findings that Alcantar had not proven by a preponderance of the evidence that the Costco employee agreed to lift the box on his count and then failed to do so.

Because those findings supported the conclusion that Costco did not breach its duty of care, the court upheld the judgment for Costco. It did not decide Alcantar’s separate challenges concerning equitable estoppel and Costco’s assumption-of-risk defense.

Key Takeaways

  • A negligence plaintiff must prove the factual basis for an alleged breach by a preponderance of the evidence.
  • The Fourth Circuit reviews a district court’s factual findings after a bench trial only for clear error.
  • Once the court upheld the no-breach finding, it had no need to address the parties’ assumption-of-risk and equitable-estoppel disputes.

Why It Matters

The decision illustrates the difficulty of overturning trial-court factual findings under clear-error review. Where the evidence does not establish the alleged conduct underlying a claimed breach of duty, judgment for the defendant may stand without appellate resolution of affirmative defenses.

The opinion is unpublished and is not binding precedent in the Fourth Circuit.

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