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How Much Does Mold Remediation Cost?

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Key Takeaways

Cost Per Square Foot$15 – $30
Average Total Cost$1,500 – $6,000
Cost FactorsSize of area, location, mold type, inspection, labor
Potential Health RisksRespiratory issues, allergic reactions, severe health risks from black mold
Insurance CoverageOften depends on the cause of mold growth
Professional vs. DIYProfessional remediation recommended for safety and effectiveness

$15 – $30 Average Cost Per Square Foot

Mold remediation costs generally range between $15 and $30 per square foot. The cost can increase significantly based on the severity and location of the mold problem. This range is a useful starting point, but remember that each case may require special considerations that can affect the overall cost.

$1,500 – $6,000 Average Total Cost

The total cost of mold remediation can range from $1,500 to $6,000, depending on the specifics of the project. Larger infestations or those that affect multiple areas of the home can push costs toward the higher end of this range. Let’s break down these costs by specific criteria.

Average Mold Removal Cost

Average Cost of Mold Remediation

The following table provides a detailed breakdown of average mold remediation costs based on the size of the affected area.

Area SizeSquare FeetAverage CostExample Areas
Small10 – 100$500 – $1,500– Small section of drywall
– Isolated spot on a floor or ceiling
– Corner of a room
Medium100 – 300$1,500 – $6,000– Large section of a wall, ceiling, or floor
– Multiple small areas
– Partial attic or basement
Large300 – 1,000$6,000 – $15,000– Entire room
– Entire attic or basement
Very Large or Whole Home> 1,000$15,000 – $30,000– Widespread contamination in multiple rooms
– Whole house

Remediation Cost By Location

Mold Removal Cost By Location

The cost of mold remediation can differ significantly depending on the location of the problem in your home.

LocationAverage Removal Cost
Attic (Partial)$1,500 – $6,000
Attic (Full)$6,000 – $15,000
Basement (Partial)$1,500 – $6,000
Basement (Full)$6,000 – $15,000
Bathroom$500 – $2,000
Crawl Space$1,500 – $4,000
HVAC System / Ducts$2,000 – $10,000
Whole House$15,000 – $30,000


The cost of mold remediation in the attic can vary widely depending on whether it involves partial or full remediation. Partial attic mold remediation costs between $1,500 and $6,000, while full attic remediation can range from $6,000 to $15,000.


Similarly, basement mold remediation costs can range from $1,500 to $6,000 for partial remediation and from $6,000 to $15,000 for a full basement cleanup.


The bathroom is a common location for mold growth due to the high moisture levels. Mold remediation in a bathroom typically ranges from $500 to $2,000, depending on the extent of the damage.

Crawl Space

Mold in crawl spaces can be particularly problematic due to the confined space. Remediation costs for crawl spaces generally range from $1,500 to $4,000.

HVAC or Air Ducts

Mold removal in HVAC systems and air ducts is critical as it can disperse mold spores throughout the home. Remediation costs for these systems range from $2,000 to $10,000.

Whole House

In severe cases where mold has spread throughout the home, complete mold remediation can cost between $15,000 and $30,000.

Mold Removal Cost By Type

Mold Removal Cost By Type

Different types of mold can affect the cost of remediation due to their varying characteristics and risks.

Mold TypeAverage Removal CostDetails
Black Mold (Stachybotrys chartaram)$2,000 – $10,000– Slimy black or greenish-black appearance
– Causes severe & life-threatening health problems
– Difficult to remove
Green Mold (Penicillium digitatum)$1,500 – $6,000– Blue or blue-green mold
– Causes respiratory issues & allergic reactions
– Found on water-damaged carpets, insulation, fabrics, & mattresses
– Spreads rapidly
Alternaria$1,500 – $6,000– Dark green-gray mold
– Grows primarily outdoors but can spread to carpets, fabrics, and walls
– Causes allergic reactions & hay fever
Aspergillus$500 – $4,000– White, green, or red mold
– Common mold found in many homes
– Causes respiratory issues, allergic reactions, & skin irritation
– Easier to remove than black or green mold
Aureobasidium$1,500 – $6,000– Black yeast-like mold
– Found in damp areas like bathrooms, kitchens, tile grout, or on shower curtains
– Causes allergic reactions & humidifier fever
Chaetomium$1,800 – $7,000– Blue-green mold
– Found in water-damaged areas
– Causes respiratory issues & skin infections
Cladosporium$1,500 – $6,000– White mold
– Found on wood, fabrics, & carpets
– Causes respiratory issues, skin irritation, & may aggravate asthma
Fusarium$1,500 – $6,000– White, yellow, brown, or pink mold
– Commonly found outdoors
Serpula lacrymans$1,500 – $7,000– Red, rust-colored, or yellow mold
– Found on wood surfaces, including walls, furniture, & floorboards
– Destructive to homes as it causes dry rot in wood

Mold Removal Cost Factors

Mold Inspection

Before any remediation efforts can begin, a thorough mold inspection is essential. This inspection helps determine the extent and type of mold present. The cost of a mold inspection typically ranges from $200 to $600.


Labor costs are a significant factor in mold remediation. Hiring professional mold remediation specialists ensures that the mold is properly removed and that preventive measures are taken to avoid future infestations. Labor costs can vary based on the complexity of the job and the region.


After mold removal, repairs may be necessary to restore affected areas to their original condition. This can include:

  • Replacing drywall
  • Fixing leaks
  • Replacing carpets or flooring
  • Painting

Repair costs can vary widely depending on the extent of the damage and the materials needed for repairs.

Mold Remediation FAQs

How Long Does Mold Removal Take?

The duration of mold removal depends on the extent of the infestation and the affected area size. Small mold remediation jobs can take a few hours, while extensive projects may take several days to complete.

Do You Have To Leave Your House During Mold Remediation?

In most cases, you do not have to leave your home during mold remediation. However, for severe infestations involving toxic molds such as black mold, temporary relocation may be advisable to ensure your safety.

Is Mold Remediation Covered By Homeowners Insurance?

Insurance coverage for mold remediation can vary. Some homeowners insurance policies may cover mold remediation if the mold growth results from a covered peril like a burst pipe. However, if mold is due to maintenance issues or long-term neglect, it is unlikely to be covered.

What Are Signs Of Mold In My Home?

Common signs of mold include:

  • Musty odors
  • Visible mold growth on walls, ceilings, or floors
  • Discolored patches on surfaces
  • Water stains or damp areas
  • Increased allergic reactions or respiratory issues among occupants

Can Mold Cause Health Problems?

Yes, mold can cause various health problems, including respiratory issues, allergic reactions, and skin irritation. Black mold is particularly dangerous and can lead to severe health complications.

Can I Clean The Mold Myself?

While small mold infestations can sometimes be handled with DIY methods, we strongly recommend professional remediation for larger or more toxic mold issues to ensure the mold is thoroughly removed and to prevent recurrence.

Getting Estimates From Mold Remediation Companies

Questions To Ask

When seeking estimates from mold remediation companies, consider asking the following questions:

  1. Are you certified for mold remediation?
  2. Can you provide references or reviews from past clients?
  3. What is your process for containment and removal?
  4. Do you offer a warranty for your mold remediation services?
  5. Will you also handle any necessary repairs after mold removal?

Gathering detailed estimates and asking the right questions will help you choose a qualified and reputable mold remediation company for your needs.

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