Moisture Problems: Causes, detection, and solutions. 11/03/2025
Moisture Problems: Causes, detection, and solutions. Moisture may seem harmless at first—just a little water spot on the ceiling or a musty smell in the basement. But behind the scenes, it can be one of the most destructive forces in a home. Left unchecked, moisture can lead to mold, structural damage, pest infestations, and even health issues. I recently taught a class on this topic, and it’s something I take seriously as a home inspector. Here’s what every homeowner (and homebuyer) needs to know about moisture: how it gets in, how to detect it, and what you can do about it. Common Causes of Moisture Problems There are many ways moisture can sneak into a home. Some of the most common include: Roof leaks from missing shingles, damaged flashing, or poor ventilation Plumbing leaks under sinks, behind walls, or in crawlspaces Improper grading or landscaping that directs water toward the foundation Condensation due to poor ventilation, especially in bathrooms and kitchens Faulty wind...