Personal injury lawsuits typically arise in housing cooperatives when a member, a person of a member’s family, or guest are injured on the Cooperative’s real property. Injuries can range from slip-and-falls, physical confrontations or fighting, to criminal assault and battery. Since the range of different types of cases in which a Cooperative may be defending claims seeking liability and damages, this serves as an important reminder to Cooperatives, of the legal responsibilities that Cooperatives owe. Specifically, this article focuses on those duties owed to non-members, such as guests.