How Much Does Mold Removal & Remediation Cost in Illinois?
Illinois pricing is near the national average. Updated for 2026.
Mold Removal & Remediation Pricing in Illinois
In Illinois, the average cost for mold removal & remediation is $2,310 per project, which is 5% higher than the national average of $2,200. Most Illinois residents pay between $525 and $6,300.
Illinois has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Professional mold remediation involves testing, containment, air filtration, removal of mold-contaminated materials, cleaning, and restoration. Critical for health and home value.
Illinois vs National Average
What Affects Mold Removal & Remediation Cost in Illinois?
Area size
Small (under 10 sq ft): $500-$1,500. Medium (10-100 sq ft): $1,500-$3,500. Large (100+ sq ft): $3,000-$6,000+
Location
Accessible surfaces: $500-$1,500. Behind walls/ceilings: $2,000-$4,000. Crawl space: $1,500-$3,500. HVAC system: $3,000-$6,000
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💡 Tips to Save on Mold Removal & Remediation in Illinois
- 1.Address water leaks immediately to prevent mold growth
- 2.Small areas under 10 sq ft can be DIY cleaned with proper safety gear
- 3.Check if homeowners insurance covers mold from covered water damage
- 4.Get a mold test first ($300-$600) before committing to remediation
📈 Mold Removal & Remediation in Illinois Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $1,962 | — |
| 2021 | $2,044 | +4.2% |
| 2022 | $2,177 | +6.5% |
| 2023 | $2,238 | +2.8% |
| 2024 | $2,310 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Mold Removal & Remediation in Illinois
Recent Reports
Frequently Asked Questions
Is black mold dangerous?
All indoor mold should be removed regardless of color. While some molds produce mycotoxins, the CDC recommends treating all mold growth the same way — remove it promptly and fix the moisture source.
Mold Removal & Remediation Cost in Other States
Related Cost Guides for Illinois
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