STAFFORD SPRINGS, Conn. — Sandra Miller was at work in January when her daughter called from their home here on Oakridge Drive with alarming news. The house was making loud noises, as if someone had jumped off the counter and landed with a bang. For seconds afterward, the house shook.

A while later, it happened again, and again. Over the next several hours, terrifying bangs rattled the house. The next morning, Ms. Miller called Bill Neal, a structural engineer, who delivered the same stunning news to her that he has now told hundreds of homeowners: The concrete foundation was crumbling and, as a result, her house was gradually collapsing.(nytimes.com)…[+]