Nearly 90 homes could be sinking at Lake Las Vegas, causing significant structural damage and safety concerns, according to a new lawsuit, however the builder of the properties disputes the severity of the issue.

The Del Webb at Lake Las Vegas Community Association filed a business court complaint late last year — which has kicked off a protracted and complicated legal battle — on behalf of dozens of homeowners at the 55-plus master-planned community for what they are alleging is construction defects against Pulte Homes of Nevada, a subsidiary of Pulte Group.

Lake Las Vegas is a 3,600-acre master-planned community spearheaded by a number of large homebuilders in Henderson and features a 320-acre manmade lake. There are roughly 4,500 homes at the community with construction currently ongoing on various residential projects.…