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Mold Remediation Services


Bismarck, ND

Mold Remediation Costs Involved


The cost of mold remediation can vary based on several factors, including the size of the affected area, the extent of mold growth, and the type of materials affected. Here's a general breakdown of mold remediation costs:

1. Inspection and Testing:

Mold Inspection: A professional inspection is typically required to assess the extent of mold growth and determine the cause (e.g., water intrusion, poor ventilation).

  • Cost: $300 to $900, depending on the size of the property and the complexity of the inspection.

Air Quality Testing/Lab Analysis: If air samples are needed to detect mold spores, the cost is typically per test.

  • Cost: $75 to $150 per test.


2. Remediation Costs Based on Area:

Mold remediation costs are often calculated based on the square footage of the affected area:

  • Small Area (Less than 10 square feet):
  • Minor mold problems, such as on a small patch of drywall or tile, can be managed for between $500 and $1,500. This might include surface cleaning, minor repairs, and mold prevention measures.
  • Moderate Area (10–100 square feet):

For areas such as bathrooms, basements, or behind walls, remediation typically costs $1,500 to $5,000, especially if drywall or insulation needs to be removed and replaced.

  • Large Area (Over 100 square feet):

If the mold problem has spread across multiple rooms or large areas of the home (e.g., basements, attics, crawl spaces), the cost can range from $5,000 to $15,000 or more, depending on the severity of contamination and materials impacted.


3. Material-Specific Remediation Costs:

Some materials require more labor-intensive remediation:

  • Drywall: If mold is present inside walls or behind wallpaper, the drywall often needs to be removed and replaced.

Cost: $1,000 to $5,000 per room.

  • Crawl Spaces/Attics: Mold in these areas can be difficult to reach and clean, driving up costs.

Cost: $2,000 to $10,000+ depending on the size and accessibility.

  • HVAC Systems: Mold growth in air ducts or HVAC systems requires professional cleaning and possible component replacement.

Cost: $2,000 to $8,000 depending on the extent of contamination.


4. Mold-Related Repairs:

Mold often causes structural damage, especially if left untreated. Additional costs might arise for repairs:

  • Carpentry Repairs (e.g., replacing rotting wood or drywall)
  • Plumbing/Waterproofing (e.g., fixing the cause of mold such as leaks or water damage)


5. Post-Remediation Costs:

  • Cleaning and Disinfecting: Mold remediation often includes a thorough cleaning and disinfecting of the affected areas to prevent recurrence.

Cost: $500 to $2,000 depending on the size of the area.

  • Air Quality Testing: After the remediation, a clearance test may be conducted to ensure the mold has been removed and air quality is restored.

Cost: $400 to $800.


Factors Affecting Mold Remediation Costs:

  • Severity of Mold Growth: The longer mold has been left untreated, the more extensive the damage will be, increasing the cost.
  • Type of Mold: Certain mold species, like (Stachybotrys) linked to known human problems, are more hazardous and require more thorough (and expensive) removal techniques.
  • Location: Mold in hidden or difficult-to-access areas (behind walls, in crawl spaces) will require more labor, raising the cost.


Summary of Typical Costs:

  • Small Jobs (single room, minor growth): $500 to $1,500.
  • Moderate Jobs (medium area, multiple rooms): $1,500 to $5,000.
  • Large Jobs (multiple areas, significant contamination): $5,000 to $15,000+.


Mold remediation should always be handled by certified professionals to ensure the mold is properly removed and doesn't return. Failing to address mold promptly can lead to increased costs, structural damage, and potential health risks.

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