Wear gloves, a mask, and eye protection
Open windows and doors for ventilation
Fix the source of moisture or leak first
Remove and discard moldy porous materials that cannot be cleaned
Clean hard surfaces with soap and water
Scrub mold from non-porous surfaces
Use a mold-killing cleaner or diluted bleach on suitable surfaces
Dry the area completely after cleaning
Use fans or a dehumidifier to reduce moisture
Wash contaminated fabrics in hot water
Vacuum with a HEPA filter if available
Seal and dispose of mold waste in bags
Clean and dry the area again if mold returns
Call a professional for large or severe mold problems