Restoration 1 of St. Charles
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Mold remediation in O'Fallon typically costs between $1,200 and $3,650, depending on how extensive the problem is and where the mold has spread in your home. Since O'Fallon's climate brings about 42 inches of rain annually and stays humid most of the year, moisture problems aren't uncommon in older homes. Restoration 1 of St. Charles handles this kind of work for homeowners in the area who've discovered mold and need it professionally removed.
When you're vetting contractors, keep in mind that Missouri doesn't require a specific mold remediation license, so it's on you to verify credentials. Ask potential contractors about their IICRC certification and check that they carry appropriate general liability insurance before you commit to anything. Restoration 1 of St. Charles should be able to provide documentation of both.
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
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