Dealing with a rat infestation that escalates to the point where rats are falling into living spaces from structural areas like the roof reflects a serious pest control emergency. Such situations not only cause discomfort but can also lead to health hazards due to diseases carried by rodents. Effective management begins with identifying entry points, which often include gaps in roofing, vents, or damaged walls. Sealing these access points is crucial in preventing further intrusion. Successful trapping, as indicated by catching large rats in traps over recent days, is a positive step, but ongoing vigilance is required. Residents should employ a combination of snap traps, bait stations, and potentially professional extermination services for comprehensive control. It is also important to maintain cleanliness, store food securely, and remove potential nesting sites to deter these rodents. Community action can be vital, especially when half the units have evacuated, potentially disturbing local rat populations and pushing them into remaining occupied units. Coordinating with property management for timely pest control interventions and structural repairs can mitigate these challenges. Ultimately, understanding the behavior and biology of rats helps in implementing a strategic and humane pest management plan that ensures a safe and healthy living environment.