Completed Operations Tail

A completed operations tail is the extended window of liability coverage that responds to bodily injury or property damage caused by a contractor's finished work when the damage does not appear until months or years after the job is done. Construction defects — a slow roof leak, failing waterproofing, a foundation crack — are classic "long-tail" losses, and the tail is what keeps products-completed operations protection available during the years when those defects actually surface.

This matters because of how coverage triggers work. On an occurrence policy, the general liability policy that was in force when the damage happens responds — even if the contractor has since changed carriers — so keeping continuous coverage is essential. On a claims-made policy, coverage ends when the policy ends unless the contractor buys an extended reporting period, which functions as the tail. A contractor who retires, sells the business, or lets coverage lapse can find that completed-operations claims from old jobs have nothing to respond to, which is why an extended reporting period (tail) is often purchased at the end of operations.

The key nuances are duration and limits. On large projects and wrap-ups the completed-operations term is negotiated to match the state's statute of repose — frequently up to ten years — and a sunset clause that cuts the tail off earlier is a red flag. Also remember that products-completed operations carry a separate aggregate limit, so a string of defect claims can exhaust it independently of premises claims. When you close out a project, document the completion date and confirm exactly how long your completed-operations coverage will keep answering for that work.