Possible causes
- Exterior-wall condensation
- Roof or plumbing leaks
- High indoor humidity
- Wet carpet or flooring
- Stored damp items
When to look beyond the surface
Recurring growth, a persistent odor, soft drywall, or a history of water intrusion can point to a larger hidden problem.
Reference standards: Our educational content uses U.S. EPA mold and moisture guidance and Florida mold-related-services rules as general reference points. For health concerns, consult a qualified health professional.