How Much Does Mold Removal & Remediation Cost in California?
California pricing is above the national average. Updated for 2026.
Mold Removal & Remediation Pricing in California
In California, the average cost for mold removal & remediation is $2,970 per project, which is 35% higher than the national average of $2,200. Most California residents pay between $675 and $8,100.
California has a higher cost of living than most states, which translates to higher labor rates and material costs. Urban areas within California may be even higher.
Professional mold remediation involves testing, containment, air filtration, removal of mold-contaminated materials, cleaning, and restoration. Critical for health and home value.
California vs National Average
What Affects Mold Removal & Remediation Cost in California?
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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Top-Rated Mold Removal & Remediation Pros in California
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💡 Tips to Save on Mold Removal & Remediation in California
- 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 California Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $2,523 | — |
| 2021 | $2,629 | +4.2% |
| 2022 | $2,800 | +6.5% |
| 2023 | $2,878 | +2.8% |
| 2024 | $2,970 | +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 California
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 California
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