Which of the following residential occupancies contains sleeping units that are for occupants who are primarily permanent in nature?

Group R-2 is defined for residential occupancies that contain sleeping units intended for occupants who stay on a more permanent basis, typically allowing for longer-term residence. This classification generally includes apartment buildings, which are designed to accommodate multiple households. The primary characteristic that sets Group R-2 apart is the nature of occupancy—it is oriented toward those who have established living arrangements in the facility rather than short-term stays.

In contrast, Group R-1 typically includes transient accommodations such as hotels or motels, where visitors stay for shorter durations. Group R-3 covers buildings with sleeping units intended for single-family or small group dwellings, such as homes or duplexes. Group R-4 pertains to facilities for care, such as group homes or assisted living facilities, where a different set of occupancy considerations apply. Understanding these distinctions helps in recognizing the specific types of residential classifications and their intended use within the context of building codes.