If your basement smells musty after rain, your house is telling you something about moisture. It does not automatically mean you have a major mold problem, and it does not mean you should start tearing out drywall. But a rain-triggered odor is worth investigating...
A musty smell in the basement with no visible mold is one of those home problems that can make you second-guess yourself. You walk downstairs, notice the odor, look around, and see nothing obvious. No fuzzy patch on the wall. No black staining. No puddle. Just that...
