Mold Solutions
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Before hiring anyone for mold remediation in O'Fallon, verify they carry appropriate general liability insurance and hold IICRC certification - Missouri doesn't require a specific mold remediation license, so these credentials matter. Get multiple quotes since projects in this area typically run $1,200-$3,650, and don't just pick the cheapest option. Also ask for references from recent work in your area, since O'Fallon's humidity levels (averaging 68%) and 42 inches of annual rain create conditions where mold thrives.
Mold Solutions is a local option worth considering. Before you commit, ask them directly about their certifications and insurance coverage, then compare their approach with at least one other contractor. Check what their past clients say about the work quality and whether they stand behind their results. Once you've narrowed it down, make sure you understand exactly what's included in the estimate before signing anything.
Based on public rating data and local climate records, not on individual reviews. We do not represent or endorse this firm.
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Business data sourced from public records · Last updated March 2026
MoldGuide is a lead referral service. We do not employ, endorse, or guarantee the work of any contractor listed in this directory. Verify licenses, insurance, and certifications independently before hiring.