We have discussed on a number of occasions the issue of causation when there are multiple causes of loss, some covered and some not covered. Most jurisdictions apply what is known as the efficient proximate cause analysis with a minority of jurisdictions applying the concurrent causation analysis, both of which are explained on our blog here. The Florida Supreme Court issued a decision last week applying the concurrent causation theory in a case where the court concluded it was not clear which of the causes of loss was the predominant cause. Sebo v. American Home Assurance Co., Docket SC14-897 (Dec. 1, 2016).

In Sebo, the insured’s residence suffered water damage during rainstorms shortly after he bought the home. Water intrusion (a covered loss) occurred following defective construction (excluded loss). AHAC denied coverage for all but mold damages, which was subject to a $50,000 limit. Sebo filed suit against, among others, the architect who designed the home and the contractor who built the home claiming negligent design and construction. A jury found in favor of the insured, and the trial court entered judgment against AHAC for more than $8 million.Continue Reading Competing Causes of Loss: Florida Supreme Court Issues Decision Applying The Concurrent Causation Doctrine