While many people often overlook the presence of mold in their homes or office spaces, this can be a serious problem. From health problems to terrible odors, structural damage, and reduced air quality, there are several reasons why removing mold from your properties should be one of your top priorities. 

One of the reasons why people put off mold remediation for as long as possible is because of the cost, but how much does mold removal cost? The cost can range anywhere from a few hundred dollars to thousands. This could be even higher if the mold infestation is severe. Let’s break down these costs.

What Is the Average Mold Remediation Cost?

Mold remediation costs will differ depending on whether you deal with a smaller or larger infestation. If you don’t have severe mold damage, you can anticipate a cost between $500 and $6,000. However, you can prepare for up to $30,000 if you have a large mold infestation.

Keep in mind that none of these prices are set in stone and will differ depending on a wide range of factors, including:

Type of Mold

Did you know there are different types of mold? Some species can be much more difficult to remove than others, which is why it impacts the cost. Here are some of the most common types of mold and their average cost:

Black Mold – Stachybotrys Chartarum

Black mold removal is more expensive, averaging between $800 and $7,000. It is often found in water-damaged buildings and grows in wallpaper and drywall. When handling black mold, wearing appropriate protective gear is vital, as this mold releases spores when disturbed.


While Penicillium is used to make certain types of cheese and medicine, it does not mean you should ignore it. This mold type is known for spreading rapidly, whether humid or not. Therefore, remediation costs anywhere between $1,500 and $5,000.


Fortunately, this type of mold does not cause health problems. While it does not produce toxins, it does create volatile organic compounds that can trigger your allergies and leave a musty odor. It can be removed for approximately $700 to $6,000.


Part of a large family of fungi and molds, this mold spreads rapidly, making it expensive to remove ($800 – $8,000). While this can be a harmless mold, it can also cause serious bodily infections, most of which are found in the eyes and nails.


If you’re dealing with Alternaria, mold remediation costs between $700 and $6,000. We recommend dealing with the problem as soon as possible as this mold triggers allergies, fevers, and toxins, for which the impact on animals and humans isn’t well known.


This type of mold is known for attacking humans’ central nervous systems, so it’s vital to contact a mold remediation company as soon as you discover it. Most professionals charge $600-$5,000 to remove this mold. It can be identified by its fuzzy dark gray or black appearance, and it causes allergic reactions and infections.

Serpula Lacrymans

Removal costs are slightly higher than average, at approximately $800 to $7,000, because Serpula Lacrymans rapidly breaks down the fibers in wooden structures and causes them to rot. Regarding human health, this mold species isn’t a major cause for concern. However, this doesn’t mean you can relax, as it is known for causing extensive damage to household structures.


While this grey-green or white mold produces a sweet odor and only causes health problems in those with compromised immune systems or allergies, it should not be ignored. It is a fast-growing mold that costs approximately $700 to $6,000 to remove.


This is a hazardous type of mold that you want to avoid at all costs. It is known for causing respiratory infections, pneumonia, skin infections, and food contamination. You can expect to pay between $700 and $6,000 when removing Aspergillus.

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The Size of the Affected Area

Professional mold removal services cost between $10 and $25 per square foot. Therefore, the larger the affected area size, the higher the cost of mold remediation.

Mold Location

While it’s something you might not consider, the location of the infestation will have a major impact on the cost of mold remediation. If the location is difficult to access, this could result in a higher cost. Furthermore, you can expect higher mold removal costs if the infestation has spread over a large area.

Let’s look at some of the most commonly affected areas and their average costs:


Basement mold removal costs anywhere between $500 and $4,000. Your basement is often prone to mold infestation because of the high humidity levels in the room. Therefore, we recommend getting a mold inspection done regularly to ensure no mold build-up.


The attic is very similar to the basement in that getting rid of mold can be easy or challenging based on the size and utilization of the space. Attic mold removal can cost anywhere from $1,000 to $9,000, depending on the accessibility and size of the infestation.

HVAC Systems

The cost of HVAC mold removal will differ depending on the type of system. If you have an enclosed heating system, the cost could be between $1,500 and $3,000. On the other hand, air handler and furnace systems can range from $3,000 to $5,000. Lastly, central air conditioners are the costliest type of HVAC system if you need to remediate mold. This is because of the ducts, vents, and tubes that constantly work to remove excess moisture from the air. As a result, it could cost up to $10,000 to remove mold from these systems.

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Your bathroom is damp and moist because of the constant bathing and showering. Most of the time, surface mold develops in bathrooms, which is easy and inexpensive to remove, averaging approximately $500. However, if a leak or burst pipe has resulted in mold growth, this will be a more expensive project that could cost up to $8,000.


We’re sure you’ve heard of drywall before. It’s used on indoor walls and is very common in most properties. Drywall is a porous material; therefore, it’s quite difficult to prevent mold growth on drywall is quite difficult. The porous nature means it’s simple for water to soak into the wall. Generally, you’ll have to replace the entire moldy drywall, which can cost between $1,000 and $12,000. If the mold has accumulated for quite some time, you can expect to pay even more.

Crawl Spaces

A crawl space is prone to mold growth because of high humidity levels and their smaller sizes. As this is a small space, a mold remediation professional usually charges between $500 and $2,000 for these areas.


Mold remediation companies generally split the costs according to labor and materials. Materials usually account for 40% of the cost, meaning labor is approximately 60% of the cost. However, mold remediation services are not just about cleaning the surface area. Many other complex aspects are involved, such as sealing off the affected area and repairing any structural damage, making the allocation of costs acceptable.

Hire a Professional Mold Remediation Company Today!

If you notice mold growth in your property, it’s time to consider calling the experts to take care of the job. Professional mold removal companies have the experience and knowledge to eliminate mold spores effectively and ensure they don’t spread. It’s time to say goodbye to poor air quality and unpleasant smells, and hello to keeping you and your family safe.


Can a House with Mold Be Fixed?

Certainly! You can fix any mold problem in your home; however, the remediation process will differ depending on the cause of the infestation as well as its severity. Therefore, it’s always advisable to contact a mold remediation specialist; otherwise, you run the risk of not being able to get rid of every mold spore.

Can I Remove Mold on My Own?

It’s possible but not recommended. If you’re dealing with a small patch of mold growth that’s fairly new, you could attempt to remove it with high-quality cleaners and the appropriate protective gear or clothing. However, hiring a professional mold removal service is best, as these specialists have the appropriate knowledge, tools, and experience to handle the mold.

How Do Professionals Remove Mold?

Professionals have a particular mold remediation process they follow. Generally, this involves using a HEPA vacuum to gather mold spores from contaminated surfaces. Next, the specialist will use a specific cleaning solution to spray the surface area and wipe it down with a microfiber cloth. Depending on the severity of the infestation, the expert might have to adopt other techniques as well.

What Permanently Kills Mold?

Many people have different solutions for killing mold, from hydrogen peroxide to distilled white vinegar, baking soda, and bleach. While many of the solutions might be effective, the only way to have complete peace of mind that the mold spores in your house have been killed is by contacting a professional. Experts will be able to get rid of any excess moisture, improve ventilation, and replace any severely affected areas, which is the only way you can have confidence that the mold has been permanently killed.

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