Undocumented “Investigation” Cannot Excuse a Late Disclaimer Under N.Y. Insurance Law § 3420(d)(2)

1. Introduction

This insurance-coverage dispute arose from a construction-site injury in Brooklyn. Victor Zuniga, an employee of a subcontractor (RM Construction and Development Corporation), was injured while working on the construction of a new residential building at 625 Halsey Street. The project involved multiple entities: D&G Construction NY Inc. as general contractor, and Arevalos Construction Corporation as another subcontractor insured by Midvale Indemnity Company.

After D&G tendered defense and indemnity to Arevalos and Midvale, Midvale initially issued a reservation of rights and later issued a disclaimer relying on a policy exclusion labeled the “Multi-Unit and Tract Housing Residential Exclusion” (the “Multi-Unit Exclusion”). The decisive question on appeal was not whether the exclusion’s text could apply, but whether Midvale’s disclaimer was timely under N.Y. Insurance Law § 3420(d)(2).

2. Summary of the Opinion

The Second Circuit affirmed summary judgment for Zuniga and D&G on Midvale’s duty to defend. It agreed with the district court that Midvale’s disclaimer—issued 93 days after tender and 43 days after the reservation of rights—was untimely as a matter of law under § 3420(d)(2).

The court emphasized that Midvale bore the burden to justify any delay and failed to do so. Even if some investigation could have been reasonable, Midvale did not describe what it did, did not submit the investigator’s report, and did not explain why publicly available information (e.g., permits indicating 10 dwelling units) could not have been obtained and acted upon promptly. Because the disclaimer was untimely, Midvale could not rely on the Multi-Unit Exclusion to avoid the duty to defend.

The opinion also resolved an appellate-jurisdiction issue: because the district court’s order initially left indemnity issues unresolved, the appeal was not final under 28 U.S.C. § 1291. The parties’ stipulation dismissing any remaining indemnity claims cured that defect and allowed appellate review.

3. Analysis

3.1. Precedents Cited

A. Timeliness of disclaimer under § 3420(d)(2)

• Worcester Ins. Co. v. Bettenhauser, 95 N.Y.2d 185 (2000)
  Cited for the central consequence of delay: if an insurer does not disclaim “as soon as is reasonably possible,” it may not “rely on the policy exclusion to escape liability.” This frames timeliness as a forfeiture rule: delay can waive an otherwise valid exclusion.
• U.S. Underwriters Ins. Co. v. City Club Hotel, LLC, 369 F.3d 102 (2d Cir. 2004)
  Quoted for the operative trigger: an insurer must assert an exclusion “after it first learns of the accident or of grounds for disclaimer of liability or denial of coverage.” The Midvale panel applied this by focusing on what Midvale had (or could promptly have had) when tender occurred.
• New York Cent. Mut. Fire Ins. Co. v. Aguirre, 7 N.Y.3d 772 (2006)
  Supplied the measuring point: timeliness runs from when the insurer “first learns of the grounds” for disclaimer. The panel treated the October 4, 2021 tender—providing the site location and nature of claim—as the point triggering the need for prompt action.
• First Fin. Ins. Co. v. Jetco Contr. Corp., 1 N.Y.3d 64 (2003)
  The key comparator for “untimely as a matter of law”: an unexplained 48-day delay was held untimely. The panel used Jetco to underscore how difficult it is for an insurer to justify a much longer delay (here, roughly three months from tender).
• Continental Cas. Co. v. Stradford, 11 N.Y.3d 443 (2008)
  Recognized that time needed for a “prompt investigation” can justify delay. But Stradford does not eliminate the insurer’s burden to prove the investigation was actually prompt and necessary—an evidentiary gap that proved fatal to Midvale.
• Country-Wide Ins. Co. v. Ramirez, 104 A.D.3d 850 (2d Dep't 2013) and Liberty Mut. Ins. Co. v. Rhone, 189 A.D.3d 1241 (2d Dep't 2020)
  These Appellate Division cases supplied the test language adopted by the panel: the insurer must show delay was “reasonably related to its performance of a prompt, diligent, thorough, and necessary investigation.” The court also relied on Country-Wide for the proposition that conclusory “we investigated” assertions, without specific details, do not satisfy the insurer’s burden.
• George Campbell Painting v. Nat'l Union Fire Ins. Co. of Pittsburgh, 92 A.D.3d 104 (1st Dep't 2012) and City of New York v. N. Ins. Co. of N.Y., 284 A.D.2d 291 (2d Dep't 2001)
  Cited for the important “each-ground” rule: because each basis for disclaimer must be asserted promptly, investigating one potential basis does not justify delaying another. This reinforces that insurers must track and timely assert all known or knowable grounds, not hold exclusions in reserve while exploring other angles.
• Stout v. 1 E. 66th St. Corp., 90 A.D.3d 898 (2d Dep't 2011)
  Reinforced the evidentiary requirement: an investigation can justify delay only if the insurer demonstrates it actually conducted a necessary investigation. The panel echoed Stout in concluding Midvale “failed to describe” its investigation and therefore failed to justify its timing.
• Golden Ins. Co. v. Ingrid H., Inc., 538 F. Supp. 3d 293 (S.D.N.Y. 2021), aff'd, No. 21-1337, 2022 WL 2165252 (2d Cir. June 14, 2022)
  Used as an on-point illustration: even if additional documents or testimony would confirm the exclusion, the insurer must provide evidence explaining why that information could not have been obtained sooner. The Midvale panel treated this as consistent with requiring concrete proof, not after-the-fact generalities.
• Fawn Second Ave. LLC v. First Am. Title Ins. Co., 610 F. Supp. 3d 621 (S.D.N.Y. 2022)
  Supported the district court’s use of public records and judicial notice, underscoring that certain property/construction facts are readily ascertainable and cannot easily justify extended investigative delay.

B. Procedural and jurisdictional authorities

• Marquez v. Silver, 96 F.4th 579 (2d Cir. 2024) (quoting Steel Co. v. Citizens for a Better Env't, 523 U.S. 83 (1998))
  Anchored the court’s independent obligation to confirm jurisdiction before reaching the merits.
• In re Terrorist Attacks on Sept. 11, 2001, 152 F.4th 396 (2d Cir. 2025) and Scottsdale Ins. Co. v. McGrath, 88 F.4th 369 (2d Cir. 2023)
  Explained the final-judgment rule and why partial summary judgment on the duty to defend (with indemnity unresolved) is ordinarily not appealable absent Rule 54(b) certification.
• Banoka S.à.r.l. v. Elliott Mgmt. Corp., 148 F.4th 54 (2d Cir. 2025)
  Provided the path to finality: dismissal with prejudice of remaining claims “leaves nothing more for the district court to decide,” permitting appellate review under § 1291.
• Suluki v. Credit One Bank, NA, 138 F.4th 709 (2d Cir. 2025) (quoting Zhang Jingrong v. Chinese Anti-Cult World Alliance Inc., 16 F.4th 47 (2d Cir. 2021) and Byrne v. Rutledge, 623 F.3d 46 (2d Cir. 2010))
  Supplied the standard of review for cross-motions for summary judgment (de novo; evaluate each motion independently; draw inferences against the movant).
• Midvale Indem. Co. v. Arevalos Constr. Corp., No. 22-CV-97, 2023 WL 4346962 (E.D.N.Y. July 5, 2023) and Midvale Indem. Co. v. Arevalos Constr. Corp., 755 F. Supp. 3d 250 (E.D.N.Y. 2024)
  The Second Circuit’s order builds on the district court’s two-phase treatment: an early default-judgment ruling as to non-appearing parties, followed by merits summary judgment addressing the timeliness challenge brought by appearing parties (Zuniga and D&G).

3.2. Legal Reasoning

The opinion applies a straightforward but demanding framework under N.Y. Insurance Law § 3420(d)(2):

1. Trigger: the clock runs from when the insurer first learns (or should learn, given the information provided) of the grounds for disclaimer. The tender on October 4, 2021 supplied the site location and the nature of the claim, giving Midvale enough to assess whether a “multi-unit” project was involved or to begin a targeted inquiry.
2. Burden: the insurer bears the burden of justifying delay. Midvale’s delay was substantial relative to benchmark New York cases (notably First Fin. Ins. Co. v. Jetco Contr. Corp.).
3. Investigation is not a talisman: an insurer may take time to investigate, but only if it proves that the investigation was “prompt, diligent, thorough, and necessary” and that the length of the delay was reasonably related to those investigative steps.
4. Evidence matters: Midvale did not submit the investigator’s report, did not detail what the investigator did, and did not explain why basic public records could not have been consulted quickly. Under authorities like Country-Wide Ins. Co. v. Ramirez and Stout v. 1 E. 66th St. Corp., such conclusory assertions are insufficient as a matter of law.

A salient factual component was the court’s observation that key information supporting the Multi-Unit Exclusion (e.g., permit documentation reflecting 10 dwelling units) was accessible via public resources, including New York City records. The availability of such information tightened the window of what could be considered a “reasonable” investigation.

Finally, although the district court had discussed a second delay period (from receipt of an investigator’s report on December 9, 2021 to disclaimer on January 5, 2022), the Second Circuit affirmed without reaching that alternative rationale, holding that the initial tender-to-disclaimer delay was unjustified.

3.3. Impact

Even as a nonprecedential summary order, the decision meaningfully signals how federal courts applying New York law will scrutinize § 3420(d)(2) delays—particularly where:

• Publicly available facts (permits, property records, maps) could establish a disclaimer ground early; insurers will be expected to consult them quickly.
• Insurers rely on “investigation” narratives but fail to produce competent evidence (affidavits, detailed timelines, reports) showing diligence and necessity; the likely result is forfeiture of the exclusion.
• Multiple disclaimer grounds exist; insurers must track and timely assert each ground, as emphasized by George Campbell Painting v. Nat'l Union Fire Ins. Co. of Pittsburgh.

Procedurally, the jurisdiction discussion provides a practical appellate roadmap in insurance declaratory actions: when duty-to-defend and duty-to-indemnify are pleaded together, parties seeking immediate appeal may attempt to create finality by stipulating to dismissal of remaining claims—subject to the constraints and strategic risks of dismissing indemnity issues with prejudice, as reflected in the court’s reliance on Banoka S.à.r.l. v. Elliott Mgmt. Corp..

4. Complex Concepts Simplified

• Duty to defend vs. duty to indemnify: the duty to defend is broader and concerns paying for/providing a legal defense; indemnify concerns paying a judgment or settlement. An insurer may owe a defense even when ultimate indemnity is uncertain.
• Disclaimer vs. reservation of rights: a reservation of rights warns the insured that coverage may be denied later; a disclaimer is the actual denial of coverage. Under § 3420(d)(2), a late disclaimer can forfeit reliance on an exclusion even if a reservation of rights was sent earlier.
• Policy exclusion: a clause that removes coverage for certain risks (here, certain residential multi-unit/tract housing work). Even a clearly worded exclusion may be unusable if not timely invoked under § 3420(d)(2).
• “As soon as is reasonably possible” (§ 3420(d)(2)): a fact-sensitive standard, but New York courts often deem multi-week delays untimely when inadequately explained—especially where key facts are readily knowable.
• Judicial notice of public records: courts may accept certain public records (e.g., property/permit databases) without formal proof, which reduces the plausibility of lengthy “fact gathering” delays.
• Final decision (appellate jurisdiction): appellate courts usually only review final judgments. If a district court resolves defense but not indemnity, the order is often not final—unless the remaining claims are resolved (e.g., dismissed with prejudice) or certified under Rule 54(b).

5. Conclusion

Midvale Indemnity Co. v. Zuniga reinforces a stringent, evidence-based approach to § 3420(d)(2): an insurer that delays disclaimer must prove, with concrete detail, that the delay was tied to a prompt and necessary investigation. Where the insurer offers only general assertions and the relevant facts are readily accessible from public sources, a months-long delay will be deemed untimely as a matter of law—barring the insurer from invoking the exclusion to avoid the duty to defend.