Trapped by the Past: How Abandoned Mines Are Leaving Homeowners in Limbo

• by Shimanta Das
• October 9, 2026

An ABC News investigation has uncovered a hidden crisis lurking beneath American homes, highways, and entire communities: abandoned mines. These forgotten shafts, dating back to the 19th and mid-20th centuries, were left unsealed and unmonitored after mining operations ceased. Now, they are wreaking havoc, causing sinkholes, damaging properties, and even costing lives. In one harrowing example, a New Jersey abandoned mine shaft opened up beneath a major highway, creating a sinkhole more than 40 feet wide. For families who purchased homes built over these underground voids, the dream of a forever home has turned into a nightmare of uncertainty and financial strain.nnThe scope of the problem is vast. Abandoned mines are scattered across the country, and their presence is often unknown until disaster strikes. The ABC investigation highlights the case of homeowners who, six years after an old mine caused a sinkhole, remain in limbo—unable to sell, repair, or move on. Concerns about mine subsidence remain, as the ground beneath their feet can shift without warning. In Utah, officials note that the main hazard is unseen openings, which can suddenly collapse. These incidents disrupt families, devalue properties, and pose serious safety risks, yet many residents had no idea they were living atop a ticking time bomb.nnRegulatory efforts exist but are far from foolproof. The Illinois Department of Natural Resources has monitored abandoned mines since 1980, and its Abandoned Mine Land Division maintains an inventory of evaluated sites. However, as Lanny Erdos noted in an ABC7 report, the abandoned-mine data itself is not 100 percent foolproof—a caveat that underscores why state tracking systems remain imperfect even as they expand. The agency declined an on-camera interview but told the I-Team that its division evaluates sites, yet the gaps in data mean many hazards go undetected. For homeowners, this lack of comprehensive information leaves them vulnerable and often without recourse.nnThe human toll is undeniable. Families trapped with mortgages on homes built over abandoned mines face a unique kind of purgatory: they cannot safely live in their homes, yet they cannot afford to leave. As Evans said, concerns about mine subsidence persist