By Andrew Mendelson, FAIA
Executive Vice President, Chief Risk Management and CX Officer
Berkley Design Professional, a Berkley Company
May 9, 2023

One of the emerging 21st Century perils for design professionals, particularly for structural and geotechnical/CMT engineers and architects, is the potential impact of new projects on the condition and even the integrity of adjacent properties.
An architect or engineer’s legal duty is to their client according to the scope and terms of the professional services agreement as well as the responsibilities embodied in state statutes for licensed professionals. However, consideration should be given to adjacent property owners during the planning stages and efforts should be undertaken to protect against claims that could be made by other “injured parties” on adjacent properties.
In states where the applicable law embodies the principle of “joint and several liability,” disproportionate responsibility and financial exposure can be allocated to the design professional—even if their actions had very little to do with the cause of damages to an adjacent structure.
Trends in design and construction claims and litigation indicate the casting of an ever-widening net with plaintiffs seeking defendants with deep pockets, such as the professional liability insurance policy and the assets of a firm. Therefore, it’s prudent for design professionals to be proactive in managing risk with respect to potential exposure for damages beyond the property line of the project, especially in dense urban or suburban areas.
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