Common Mold Types from Water Damage

Common Mold Types from Water Damage

Mold can grow in your home within 24-48 hours of water damage. This fast growth shows how important it is to deal with water damage at once. Mold loves dark, wet areas. It releases harmful spores into the air. This can be very dangerous, especially for those with asthma.

The most common types of mold in wet homes are black mold, Aspergillus, Cladosporium, and Alternaria. Getting help quickly from experts is key to solving mold problems and making your home safe again. Companies like Water Damage Pros – San Bernardino can offer professional services.

Key Takeaways

  • Mold growth can start within 24-48 hours after water damage occurs.
  • The most common indoor mold types after water damage include Stachybotrys, Aspergillus, Cladosporium, and Alternaria.
  • Mold exposure can lead to a variety of health issues, especially for individuals with underlying conditions.
  • Prompt professional mold remediation is crucial to address the problem and prevent further damage.
  • DIY mold removal is not recommended due to the potential dangers and risks of incomplete removal.

Identifying the Four Most Common Mold Types After Water Damage

After water damage, harmful mold quickly becomes an issue needing fast action. Of the many types that thrive in wet places, four are usually seen after water comes in: Stachybotrys chartarum (black mold), Aspergillus, Cladosporium, and Alternaria.

Stachybotrys Chartarum (Black Mold)

The dangerous black mold, also called Stachybotrys chartarum, is a black-green fungus. It loves surfaces like paper, fiberboard, and drywall. It needs ongoing moisture to live, so it shows up in wet places. This toxic mold can seriously harm health, especially for those with weak immune defenses.


Aspergillus is a common mold that often looks black but with yellow or white. Coming into contact with Aspergillus may cause various breathing issues and infections. It’s especially risky for people with lung or immunity problems.

Quickly finding and removing mold is vital after water damage. This keeps harmful fungi from spreading and protects people living there. The San Bernardino Water Damage team is skilled at fixing water damage, identifying mold, and removing it safely.

black mold

Common Mold Types from Water Damage

Apart from black mold and Aspergillus, homes with water damage face other mold risks too. Cladosporium, Alternaria, and Penicillium are among these hazards. They all need quick identification and removal due to health issues.

Cladosporium appears like olive-green patches. It starts small but can grow over time. This mold loves damp spots in areas like bathrooms and under sinks. Alternaria looks velvety and comes in various shades, from green to black. It sometimes comes inside from outdoors, landing in walls, carpets, and attics.

Then, there’s Penicillium, also from water damage. It thrives on decaying things and damp settings. This one is known for causing breathing trouble like asthma and bronchitis.

The EPA recommends dealing with mold over 10 square feet with a pro. 1-800 WATER DAMAGE and others offer expert services to rid your home of mold. Their help is crucial for a safe home.

“Mold can establish and grow in areas with high humidity and excess moisture, posing significant health risks if left unaddressed. Proper identification and prompt remediation are crucial for maintaining a healthy indoor environment.”

Knowing about mold types from water damage helps protect families. Working with experts like those at 1-800 WATER DAMAGE ensures a thorough, safe cleanup. It’s vital for indoor air quality.

Mold Types


Dealing with mold quickly is key to keeping your home and health safe after water damage. Indoor mold, such as black mold, Aspergillus, Cladosporium, and Alternaria, can be very dangerous. It’s crucial to act fast and get professional help from experts like Water Damage Pros – San Bernardino.

Knowing the early signs of mold can make a big difference. Reliable action and regular checkups on your home’s moist areas, airflow, and managing water damage are essential. Thanks to teams like Water Damage Pros in Norristown, PA, residents can fight mold and make their homes safe again.

Spending on expert Mold Removal and Mold Remediation services is wise. It ensures mold is gone, your family’s health is safe, and your home’s value is kept. Putting effort into mold prevention and quick water damage solutions helps keep your place clean and worthwhile for the future.


What are the most common types of mold found in water-damaged homes?

In water-damaged homes, you often find indoor molds like black mold or Stachybotrys chartarum. Aspergillus, Cladosporium, and Alternaria are also quite common.

What is Stachybotrys chartarum (black mold) and why is it a concern?

Black mold, or Stachybotrys chartarum, is a greenish-black fungus. It loves to grow on things like paper, fiberboard, and drywall. It needs continuous moisture.This type of mold is toxic. It can really harm your health, especially if you are already sick or have a weak immune system.

What are the health risks associated with Aspergillus mold?

Aspergillus, another indoor mold, can make you very sick. If your immune system is weak or you have lung problems, be careful. It can cause a range of lung and breathing diseases known as aspergillosis.

What other types of mold can be found in water-damaged homes?

Other molds in wet houses include Cladosporium and Alternaria. Cladosporium is olive-green and often seen around faucets. Alternaria looks velvety and comes in shades of green, gray, or black, with fuzzy parts.

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