Aspen Specialty sues rivals over Kiper construction defect defense fight
Source: https://www.insurancebusinessmag.com/, December 8, 2025
By: Tez Romero
Aspen Specialty is pulling numerous insurers into a federal fight over who should pick up the tab to defend a developer on California projects.
On December 2, 2025, Aspen Specialty Insurance Company filed a suit in the US District Court for the Northern District of California against a long list of commercial general liability carriers, seeking court guidance on who must defend Kiper Development, Inc. in a cluster of construction defect cases in Contra Costa County. Read more.






