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Common Types of House Mold

We all know mold is easy to spot in moisture induced areas in your home. Mold infestations look ugly, can lead to poor indoor air quality, and can even cause you to become ill. Have you ever wondered what types of mold live in your home? We’ve listed the top 5 types of common house mold and how to identify them.


a.k.a. black mold is one of the most common and most dangerous molds seen in homes. It is frequently found on wallpapers or on other materials such as paper, wood, wicker or cardboard. Black mold grows in very humid and moist areas of your home. This type of house mold can cause difficulty breathing, coughing, headaches and lengthy exposures can cause lifelong diseases. It is a very toxic type of mold, so it is best to clear black mold out of your home as quickly as possible.


frequently grows on household dust, building materials, and spoiled food. This type of mold is especially hazardous for those who have respiratory diseases. It can cause sinusitis, worsen conditions of those with respiratory diseases, and more. You do not want to be exposed to Aspergillus for a long period of time. The risk factors are just not worth it, let Certified Indoor Air Inc find it for you!


is commonly found on wallpapers, humidifiers, basements, and in soil. The side effects of being around this type of house mold consists of weakened immune systems, keratitis, and eye infections. When Fusarium grows in your home it also becomes a inhalation hazard. Therefore, this high-risk mold should be eradicated from your home as soon as possible.


This type of house mold can be seen on walls, spoiled food, insulation, wallpaper and carpet. It is typically found around damp areas and near food that has gone bad. It typically appears in a blue or greenish color. The spores can cause allergic reactions but are not nearly as toxic as black mold. The discovery of penicillium helped aid the finding of penicillin which is used for treatment of bacterial infections. However, you do not want to have this type of mold in your home. It can easily be spread onto other areas of your home from trapped moisture.


Surfaces found in kitchen and bathrooms, such as painted walls, wallpaper, filters, and flooring, is where Cladosporium frequently grows. It is not as dangerous as black mold or aspergillus, but continuous exposure to this mold can lead to terrible side effects. This type of mold can cause sinusitis, asthma attacks, and elicit chronic allergies. It is best to wipe out this mold now, before you are exposed to it for too long. 

Although there are varying side effects for these types of house mold, they do look very similar in appearance and occur in alike areas. The best way to tell what type of mold you are dealing with is to have a professional mold test done in your home.  

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