Triable Issue of Fact Exists as to Insurer’s Obligation to Provide Coverage Under Occurrence Policy

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Attorneys Valerie A. Moore and Kathleen E.M. Moriarty discuss Guastello v. AIG Specialty Ins. Co.

March 8, 2021
Valerie A. Moore & Kathleen E.M. Moriarty – Haight Brown & Bonesteel LLP

In Guastello v. AIG Specialty Ins. Co. (No. G057714. filed 2/19/21 ord. pub. 2/23/21), a California appeals court held that triable issues of material fact exist which precluded summary judgment for an insurer seeking to disclaim coverage on the basis that the “occurrence” pre-dated the policy period where a dispute exists as to the timing of the subject “occurrence.”

In Guastello, a subcontractor built retaining walls from 2003 to 2004 for a housing development in Dana Point, California. In 2010, one of these retaining walls collapsed causing damage to a residential lot owned by Thomas Guastello.

Reprinted courtesy of Valerie A. Moore, Haight Brown & Bonesteel LLP and Kathleen E.M. Moriarty, Haight Brown & Bonesteel LLP

Ms. Moore may be contacted at
Ms. Moriarty may be contacted at


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