St. John Environmental Consulting, LLC
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St. John Environmental Consulting, LLC carries a 5-star rating across 187 Google reviews, which matters in Columbia where homes face real moisture challenges. The area's 68% average humidity and 43 inches of annual rainfall create ideal conditions for mold growth, especially in the median home built around 1993. That track record suggests the company understands what local homeowners are up against and how to handle it effectively.
When you're ready to call a mold remediation contractor, know that Missouri doesn't require a specific mold remediation license, so verify that any contractor you hire holds IICRC certification and carries appropriate general liability insurance. Typical remediation projects in this area run between $1,200 and $3,650, so get a detailed estimate before committing. Ask questions about their qualifications upfront - that credential check protects you and ensures you're working with someone qualified to do the job right.
Summary drawn from 187 Google reviews. We do not represent or endorse this firm.
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Business data sourced from public records · Last updated April 2026
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