Wear gloves, an N95 mask, and eye protection
Open windows and improve ventilation
Isolate the affected area if possible
Remove and discard porous items with mold damage
Clean hard surfaces with soap and water
Scrub visible mold from nonporous surfaces
Use a mold-killing cleaner or diluted bleach on suitable surfaces
Rinse and dry the area completely
Dry all wet materials within 24 to 48 hours
Fix leaks and moisture sources
Use a dehumidifier to keep humidity low
Wash contaminated fabrics in hot water if salvageable
Dispose of heavily contaminated items safely
Clean nearby areas to prevent spread
Call a professional for large or hidden mold problems