how to detect mold in a house

Detecting mold in a house starts before you see anything — a persistent musty smell, unexplained allergy symptoms, or water stains that keep reappearing are all early signals. By the time mold is visibly discoloring a wall or ceiling, it’s been growing for weeks. This Los Angeles guide covers how to systematically detect mold by room, which materials harbor hidden growth, when a DIY inspection is sufficient vs. when professional testing is needed. IICRC-certified: (818) 336-1800.