Skip to Main Content

Ohio Basement Systems is now Ohio Basement Authority.  Learn more here.

What Kind of Mold Do You Have? A Visual Guide

Are you a homeowner concerned about mold in your house? You’re not alone. Mold is a common problem many homeowners have to deal with, and it can be both unsightly and potentially harmful to your health. But did you know there are many different types of mold, each with unique characteristics and potential risks? That’s why we’ve created this visual guide to help you identify what kind of mold may be growing in your home. So let’s dive into the world of mold and discover which type may be lurking in your walls or underneath your sink.

What Is Mold?

Mold is a type of fungus that thrives in moist environments. It reproduces by releasing spores that can easily spread through the air, making it easy for mold to grow and take over a space. While some types of mold are harmless, others can be quite dangerous – and even cause health problems.

Mold can be sorted into three categories: allergenic, pathogenic, and toxigenic. As the names suggest, each type of mold can affect your health in different ways.

Allergenic mold is the most common type and is typically not dangerous unless you have allergies or asthma. When you’re exposed to allergenic mold spores, you may experience symptoms like sneezing, itchiness, or a runny nose.

Pathogenic mold is more dangerous than allergenic mold and can cause infections in people with weak immune systems. This type of mold can cause respiratory problems, particularly in those with pre-existing lung conditions.

Toxigenic mold is the most dangerous type, as it can produce toxins that can cause serious health problems. Exposure to this type of mold can lead to a range of symptoms, including headaches, dizziness, fatigue, and even memory loss.

It’s important to note that any type of mold should be taken seriously, and it’s best to contact a professional to properly inspect and remove mold from your home. Keeping your space clean and dry can also help prevent mold growth from happening in the first place.

For more information, see How Moist Basements Can Lead To Basement Mold.

Is There a Difference Between Mold and Mildew?

Both mold and mildew are types of fungi that thrive in moist environments. They can grow on various surfaces, including walls, ceilings, fabrics, and more. However, there are some key differences between the two.

Mold tends to be fuzzy or slimy in appearance and can come in multiple colors such as black, green, blue, and white. It also has a musty odor and can cause health problems like respiratory issues and allergies.

On the other hand, mildew is typically white or gray with a powdery appearance. It is often found in areas with high humidity such as bathrooms and kitchens. While mildew is not usually harmful to humans, it can still cause damage to surfaces over time if left untreated.

Another difference between mold and mildew is their growth pattern. Mold tends to spread quickly and can penetrate deep into surfaces, making it difficult to remove. Mildew, however, usually grows on the surface and can be easily wiped away with a cleaning solution.

Does the Color of the Mold Matter?

You may have heard people talking about different-colored molds and how some are more dangerous than others. The truth is, the color of mold doesn’t really matter when it comes to its toxicity. Sure, some molds may look scarier or grosser than others, but that doesn’t mean they’re more harmful.

In fact, some of the most toxic molds out there can be barely visible to the naked eye. So, it’s really your own sensitivity to the mold that determines whether or not it’s a health concern. Some people can tolerate exposure to certain molds, while others may experience serious allergic reactions or other health problems.

That being said, it’s vital to take mold growth seriously no matter what color it is. Mold thrives in damp and humid environments, and can grow on almost any surface given the right conditions. So, if you see any mold growing in your home or workplace, it’s a good idea to get it removed right away to prevent it from spreading and potentially causing health problems.

Is Black Mold Worse Than Other Types of Mold?

All molds can be harmful to your health if you’re exposed to them for a long period of time. As noted above, mold spores can cause a variety of health problems, from irritating allergies to respiratory issues.

However, black mold is often seen as more dangerous because it produces mycotoxins, which are toxic substances that can be harmful if ingested or inhaled. These mycotoxins can cause symptoms such as headaches, dizziness, and even memory loss.

But here’s the thing: not all black mold produces mycotoxins, and not all molds that do produce mycotoxins are black. In fact, there are plenty of other types of mold that can be just as harmful to your health.

So, while black mold can be dangerous, it’s important to remember that all molds should be treated with caution and removed as soon as possible to protect your health. Make sure to keep your home dry and well-ventilated to prevent mold growth – and if you do spot mold, call a professional to handle the removal process.  

What Kind of Mold Do You Have?

Wood Rot and Brown Mold

Black Mold in a Basement

Brown/Green Mold on a Basement Joist

White Mold on the Crawl Space Joist

How Is Mold Removed?

If you’re dealing with mold in your home, it’s crucial to take action and have it removed immediately. Unless it’s a small patch of mold, the best way to do this is by hiring a professional mold remediation service.

These experts have the knowledge and tools needed to effectively remove mold from your home. They can identify the type of mold present, determine the extent of the damage, and take the necessary steps to safely remove it.

One key benefit of hiring a professional is that they can also help prevent future mold growth. They can provide advice on how to control moisture levels in your home and recommend any necessary repairs or improvements.

While it may be tempting to try and tackle mold removal on your own, it can be dangerous and ineffective. Without the proper equipment and knowledge, you could accidentally spread the mold spores throughout your home and make the problem even worse. Yuck.

For more information, see 7 Things You Can Do To Stop Mold And Flooding From Damaging Your Basement.

How to Prevent Mold From Growing in Your Home

Mold needs moisture in order to thrive. That means areas of your home that are damp or have high humidity are more likely to be affected. This can include places like bathrooms, basements, and areas with poor ventilation.

So, what can you do about it? Here are a few tips:

  • Keep things dry – Make sure to wipe up any spills or leaks as soon as possible. Use a fan or dehumidifier in damp areas to help keep the moisture levels down.
  • Improve ventilation – Proper ventilation is key in preventing mold growth. Open windows when possible, use exhaust fans in bathrooms and kitchens, and ensure your HVAC system is working properly.
  • Keep an eye on indoor humidity levels – Aim for 30-60% humidity levels to help prevent mold growth. You can use a hygrometer to measure humidity levels in your home.
  • Clean up regularly – Regular cleaning can help prevent mold growth before it even starts. Pay special attention to areas that are prone to moisture, such as bathrooms and kitchens.
  • Use mold-resistant materials – If you’re building or renovating your home, consider using mold-resistant materials like moisture-resistant drywall or mold-resistant paint.

By following these tips, you can help keep mold at bay in your home. Of course, if you do notice mold growing despite your best efforts, it’s important to address it right away to prevent it from spreading and causing health issues.

If you’re concerned about mold in your home, contact us today to schedule a free inspection and receive an estimate! 

Publish Date:

Last Modified Date:

Ohio Basement Systems Service Map

Our Locations


1 Marion Ave, Suite 309
Mansfield, OH 44903
(567) 275-8588


7950 Bavaria Rd.
Twinsburg, OH 44087
(330) 235-1229


159 Crocker Park Blvd, 4th floor
Westlake, OH 44145
(330) 235-1229


35475 Vine St, Suite 216,
Willowick, OH 44095
(440) 332-4339


8531 Market St.
Youngstown, OH 44512
(330) 400-3783