Identify and remove the source of moisture
Fix leaks, plumbing issues, and roof damage
Improve ventilation with fans and open windows
Run a dehumidifier to keep humidity low
Wash or replace damp fabrics, rugs, and curtains
Clean surfaces with vinegar or a mildew cleaner
Dry wet areas completely
Remove moldy or water-damaged materials
Clean HVAC filters and ducts if needed
Use baking soda or activated charcoal to absorb odors
Air out closets, cabinets, and storage spaces
Keep items off floors and away from walls
Store belongings in dry, sealed containers
Check basements, attics, and crawl spaces regularly
Use moisture absorbers in small enclosed spaces