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Mold Remediation Cost Calculator

Use this free mold remediation cost calculator to estimate cost by affected area (sq ft), type/severity (surface, contained, widespread), and location. Most jobs run $10–$25+ per sq ft. Get a low, average, and high estimate below.

How much does mold remediation cost?

Mold remediation in the U.S. typically costs $10–$25+ per sq ft depending on extent. Get 2–3 local quotes.

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Cost estimate

A range based on the details you entered — not a quote.

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How to read this estimate

These figures are based on national average material and labor costs adjusted for the options you selected. Actual pricing varies with your local market, site conditions, material availability and contractor workload. Always get two or three written quotes before committing to a project.

Average Mold Remediation Cost

National averages run $10–$25+ per sq ft. Final cost depends on type and extent.

Cost by type (per sq ft)

Typical ranges

TypeEstimated cost
Surface mold$10–$15
Contained$15–$20
Widespread$20–$30+

Cost factors

What drives the total

FactorImpact
Containment / HVACAdds 20–50%
Testing / verification$200–$1,000+

What Affects Mold Remediation Cost?

  • Type / extent — Widespread or HVAC-related mold costs more than surface cleanup.
  • Area — Larger affected sq ft increases total cost.
  • Location — Labor and certification requirements vary by region.

Data from contractor quotes

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Mold Remediation Cost FAQs

Common questions about mold remediation cost.

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Disclaimer: Estimates are for planning only. Actual costs depend on extent and local rates. Get 2–3 written quotes.