Chicago, Illinois · 2026 pricing
Mold remediation cost in Chicago
A typical 50 sqft basement remediation in Chicago: $1,990–$4,067 · metro cost factor 1.21× vs. US average (state factor 1.10× · metro overlay 1.10×).
Mold Remediation Cost Calculator
Estimated cost
$995–$2,321
Typical: $1,658 · state factor 1.02×
Line items
- Base area cost$1,658
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Estimates are educational — actual quotes from local pros may differ based on site conditions, permits, and seasonal demand.
Chicago local market
Chicago metro has 80+ IDPH-licensed firms — Illinois Department of Public Health credential is among the most rigorous in the US. Cook, DuPage, Lake, Will, Kane counties all have strong specialist density. Foundation-leak-driven basement mold is the dominant claim source.
Permits, code, and licensing in Chicago
IDPH-issued Mold Remediator license is mandatory for commercial + residential Level 3+. Chicago requires separate Building Permit ($150-$500) for any drywall removal. Insurance carriers in Illinois require pre-approval letters before work starts.