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Verified Remediation

10 Best Mold Remediation Pros in St. Louis, MO (Verified 2026)

Find 23 verified mold remediation pros near you in St. Louis, MO. Every listing is identity-checked, with state licenses, insurance, and reviews verified where available.

23 professionals

Every mold remediation professional we list in St. Louis.

How this list is ordered

Verification first: Clinical Grade companies, then Advanced Verified, then Verified Pro. Clinical Grade companies with stronger Google reviews come first; Verified Pro companies are in alphabetical order. The sort menu changes only what you see.

You've seen all 23 professionals in this St. Louis list. Browse all of Missouri

Missouri Mold Information

Climate zone
Midwestern Continental
Moderate, fluctuating (45-65% average)
Humidity level
Moderate, fluctuating (45-65% average)
Most common indoor molds (CDC)
Cladosporium, Penicillium, Aspergillus

Weather considerations

Fluctuating humidity and severe weather create seasonal mold risks. Basements, crawl spaces, and HVAC systems are common problem areas. Spring flooding and summer humidity spikes require vigilance.

Helpful Guides

Mold Assessors in St. Louis

Need a mold inspection first? Find verified assessors who inspect your home, trace the moisture and help narrow down how far the problem goes. We recommend a different company for the assessment than for the remediation.

Browse Mold Assessors in St. Louis

Other Missouri Cities

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