Black Mold on Carpet: Signs and How to Get Rid of it

Black mold growing on a carpet

Most homeowners are unaware that mold can grow almost anywhere. During a mold inspection, people tend to limit inspection to the basement, crawl spaces, attic, and bathrooms. This allows the fungus to grow and spread on their carpet. So, how do you spot and get rid of black mold on a carpet?

Black mold on carpets is not easy to spot. You must rely on your nose to pick up the musty odor of the fungus or spot discoloration on the carpet. Once you’ve identified that you have mold, you can get rid of it using a commercial cleaner or vinegar and baking soda. The process is so easy that anyone can do it.

We explain the step-by-step process for you, so you can take on the job yourself.

What is black mold and what causes it?

Black mold is a specific type of fungus. Scientifically it is known as Stachybotrys Chartarum. Like all types of mold, it relies on water and oxygen to grow. So, it can grow anywhere.

The fungus generally grows in closed spaces with high humidity or water presence. That is why you commonly find it in basements, bathrooms, and crawl spaces. Once it grows, it will spread. 

The dangers of black mold

There is a common perception that black mold is more dangerous than other types. But, there is no scientific evidence of that. 

It is nonetheless a cause for concern. The fungus releases toxins into the air that can be problematic for anyone that inhales them. Especially, if they have allergies, asthma, or any other breathing problem.

You can expect to experience the following symptoms from mold exposure:

  • Coughing and or sneezing 
  • Itchy nose, eyes, or throat
  • Fever or flu
  • Fatigue

For those that have asthma, it can trigger a severe attack resulting in shortness of breath and chest tightness. Therefore, you have to treat the fungus as soon as you spot it. 

Signs you have black mold on your carpet

Homeowners typically ignore carpets when it comes to mold monitoring. However, they are prone to it. The fungus generally grows under it and spreads from there. 

You can look for signs that suggest you have black mold on your carpet.

These are:

  1. Damp or damaged carpet
  2. Musty odor
  3. Discoloration
  4. Allergies act up

Damp or damaged carpet

Mold requires water to grow and spread: wet carpets provide what it needs to thrive. If you notice a wet spot or area on your carpet, look under it immediately for mold. Also, identify where the water is coming from, it might be because of a leak underneath it.

Musty odor

Mold has a strong, musty scent. If you notice the smell in your house, check the walls and under the carpet for fungus.


As mold spreads and grows under the carpet, the color of the carpet will change. You will notice green and black spots on the surface. 

Allergies act up

Breathing problems, coughing, and sneezing are symptoms associated with mold. If you start to experience them for no apparent reason, it may be due to black mold on your carpet.

Ways you can get rid of black mold from your carpet

close up of woman in rubber gloves with cloth and derergent spray cleaning carpet at home

There are two simple ways to get rid of black mold from your carpet, you either use home supplies or buy a commercial product.

We break down these two ways for you. 

Way #1 – Using home supplies

  1. Start the process by inspecting the carpet thoroughly. Make sure you identify the complete area that the mold covers. So, you don’t leave some during the removal. You can also test it to make sure it is mold and not something else.
  2. Open the windows and allow the room to ventilate. 
  3. If you can, remove the carpet. Take it out and let it sit in the sun for 24 hours or until it completely dries out. The impact of the sunlight will kill mold spores. 
  4. If you can’t remove the carpet or want to reduce moisture and odor, baking soda is a good option. Pour baking soda over wet spots and leave overnight. You can vacuum it up the next day. 
  5. To kill the remaining mold, spray vinegar on the affected area.
  6. Scrub it using a stiff brush. Then, blow-dry the area. 

Way #2 – Using commercial anti-mold treatment

  1. Start the process by inspecting the carpet thoroughly. Make sure you identify the complete area that the mold covers. So, you don’t leave some during the removal. 
  2. Open the windows and allow the room to ventilate. 
  3. Spray the anti-mold treatment you bought, you can opt for Concrobium Mold Control Spray or Mold Armor, to the mold-infected area. One part bleach and nine parts water, or 1:9, is an alternate solution to using commercial products. Scrub it with a hard-bristled brush.

Using commercial products is great because they clean the carpet while getting rid of mold. So, you don’t have to worry about cleaning the carpet afterward due to discoloration of any kind. 

Final thoughts

Getting rid of black mold from carpets is an easy task. There are plenty of carpet mold removers in the market you can use. You can also use bleach or vinegar and baking soda, items commonly found in homes. We’ve covered how you can do that.

Make sure you wear the proper protective gear such as gloves, a face mask, and goggles. So, you stay clear of harm from inhaling mold pollutants and the chemicals in commercial products and bleach.

About the Author Belal

Belal Rizvi enjoys writing about home improvement and do-it-yourself projects. He is an avid learner of the mold removal and dehumidifiers industry and provides insightful information about it to the readers.