You shoud understand what mold is and why it grows. All molds are fungi, and share biology with mushrooms and lichens, for example. The mold that is toxic to you and your family is relatively uncommon in the fungus kingdom, meaning most kinds aren't dangerous. However, some molds are dangerous, so any mold you find indoors must be cleaned up and completely removed.
The rule of thumb is to contact a mold cleaning companies company to clear the mold if it is more than 36 square inches.in area. This is because if you see mold, there is probably hidden mold trapped in drywall and crevices and elsewhere.
Check credentials before you hire a mold removal company. The State Office of Consumer Protection is a good place to begin, and you should check for affiliations such as as the Restoration Industry Association, the Institute of Inspection, Cleaning and Restoration and Contractor Connection.
Mold damage left to grow sends off spores, which act like seeds and can cause damage to spread rapidly. If not, parasitic fungi will continue to feast on your home or business and will destroy your things.