A home may look spotless during a showing, yet a small closet can reveal something the freshly painted rooms do not. If you open a closet door and notice a persistent musty smell, it is worth asking questions. The odor does not automatically mean there is a serious problem, but it may point to moisture or ventilation conditions that deserve attention. Why Closets Hold OdorsClosets often have less airflow than open rooms. When a closet sits against an exterior wall or near plumbing, moisture may linger in enclosed spaces. Stored fabrics and cardboard can absorb odors, making the smell stronger.…