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Mold Remediation Cost
Mold remediation cost depends heavily on the area affected and the type of mold. Here's what to budget.
Per remediation project · USD
What's included
Labor
$1,200–$7,000
Materials / equipment
$300–$4,000
What changes the price
- Affected area (sq ft)
- Type of mold and health considerations
- Containment and air scrubbers
- Removal and disposal of affected materials
Regional notes
- Humid, warm climates are more prone to recurring mold.
- Toxic mold (black mold) requires added safety and containment.
Questions
Is mold remediation covered by insurance?
Usually only if the mold was caused by a covered peril, such as sudden water damage. Mold from humidity or leaks is typically excluded.
Cost by state
Costs vary by regional labor market. See local estimates for your state:
Browse all U.S. statesHow to get an accurate quote
- Get several quotes and compare, not just price.
- Be specific about size, materials and any existing issues.
- Ask whether the quote includes labor, materials, permits and cleanup.
- Confirm the contractor is licensed and insured before you hire.
Cost by affected area
Mold remediation cost scales with the area affected and the type of mold. Here's the typical range:
| Area affected | Typical cost |
|---|---|
| Small (up to 10 sq ft) | $500 – $1,500 |
| Medium (a room / ~100 sq ft) | $2,000 – $5,000 |
| Widespread (multiple rooms) | $6,000 – $15,000+ |
A mold inspection (often $200–$500) identifies the type and extent before remediation, so you don't pay to treat the wrong thing.
What remediation includes
- Containment to stop spores spreading.
- Air scrubbing with HEPA filtration.
- Removal and disposal of contaminated materials.
- Cleaning and treating remaining surfaces.
- Addressing the moisture source so it doesn't return.
Black mold: what it means
Stachybotrys (often called black mold) can produce toxins. It's more serious and requires professional containment, so it usually costs more and should never be handled casually.
Don't dry-scrub mold on surfaces — it releases spores. Use professional containment and air scrubbing, especially for large or toxic growth.
Example
A localized patch after a shower leak, caught early and under ~10 sq ft, can be handled for $600–$1,200. The same growth allowed to spread behind drywall across a bathroom could cost $3,000+ to remediate and rebuild.
How to save and prevent
- Fix the leak or humidity source first — mold always comes back if moisture remains.
- Clean and dry small patches quickly.
- Ventilate bathrooms and kitchens and use a dehumidifier in damp areas.
- Keep indoor humidity between 30–50%.