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Mold Pros in Missouri

51 contractors

Regional moisture context: Missouri homes see mold from humid summers, wet basements, spring storm damage, and foundation seepage that can keep lower levels damp for weeks.

About Mold in Missouri

Last updated: March 2026

Missouri's own health guidance is unusually blunt: there are no Missouri or federal mold limits, and neither Missouri nor the federal government certifies mold testers. That means consumers should be skeptical of sales pitches centered on testing or claimed government credentials. In practice, Missouri jobs are mostly about basement moisture, drainage, and making sure the cleanup is paired with durable repairs.

Kade Cleaning Systems, LLC profile

Kade Cleaning Systems, LLC

Remediation Specialist•Grain Valley, MO
Location Google Reviews

5.0 (61 reviews)

BBB ListedIICRC Certified
Mold InspectionMold RemediationWater DamageFire Damage
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Popular Cities for Mold Mitigation in Missouri

Mold mitigation in Saint Louis, Missouri4 local contractors listedMold mitigation in Kansas City, Missouri3 local contractors listed

Other areas with mold contractors

AshlandChesterfieldColumbiaFentonIndependenceJefferson CityMaryland HeightsPoplar BluffSaint CharlesSpringfieldWentzvilleBranson

Metro Areas in Missouri

Kansas City Metro20 contractors across multiple citiesSaint Louis Metro13 contractors across multiple cities

State-Specific Mold Guidance for Missouri

Real licensing, pricing, climate, and homeowner guidance for Missouri.

Licensing and rules

Missouri has no state-specific mold licensing requirements. The Missouri Department of Health and Senior Services says there are no Missouri or federal laws that set limits or standards for mold exposure or mold presence, and neither Missouri nor the federal government certifies mold testers.

  • No Missouri mold limits: Missouri says there are no Missouri or federal laws that set mold limits or standards.
  • No government certification for testers: DHSS says neither Missouri nor the federal government certifies any individual or firm as a mold tester.
  • Local code issues are usually indirect: For rentals, Missouri guidance points residents to local building, nuisance, and housing-code channels for the underlying leak or maintenance issue rather than a mold program.

Typical project range

$1,000 - $3,300

Below national average

  • Basement pumping, drying, and dehumidification
  • Finished-lower-level drywall, carpet, and insulation removal
  • Storm-related roof or siding moisture repair
  • Correcting drainage or sump problems that caused the mold
View full cost breakdown for Missouri →

Climate and moisture drivers

Missouri homes see mold from humid summers, wet basements, spring storm damage, and foundation seepage that can keep lower levels damp for weeks.

  • Humid summers can keep basements and lower levels damp without active dehumidification.
  • Heavy spring storms often wet attics, ceilings, and wall cavities.
  • Foundation seepage and sump failures are common mold drivers in finished basements.

State-specific tips

Missouri basements, sump issues, and repeated spring storm leaks often create mold problems that spread behind finished lower-level walls.

  • Be cautious about paying for elaborate testing when Missouri health guidance already says visible mold and moisture are enough to justify action.
  • If the mold is in a basement, ask about drainage, grading, sump performance, and dehumidification at the same time.
  • Get a written description of what porous materials will be removed instead of only cleaned in place.

What to Do Next

Three steps to address mold in your Missouri home.

Find a ContractorBrowse 51 certified pros in Missouri by city.Screen Moisture RiskReview climate-based moisture context for your ZIP code.Understand CostsSee what Missouri homeowners pay for mitigation.

Frequently Asked Questions: Mold in Missouri

Mold Guides for Missouri

Articles and guides to help you understand mold risk and make informed decisions.

Mold Remediation Cost Guide for HomeownersWhat to Do After Water Damage to Prevent MoldHow to Choose a Mold Inspector or Remediator

Cornerstone Guides

What Is Mold?Complete Mold Testing Guide

Mold testing & monitoring products for Missouri

Start with a low-cost test kit, or use a humidity monitor to track conditions after remediation or water damage.

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State Resources for Missouri

Mold remediation cost in Missouri

Estimate pricing by contamination size, material removal, and project scope.

Moisture-risk screen for Missouri

Use climate context as a starting point, then inspect your actual building conditions.

Mold assessment tool

Work through visible growth, moisture, HVAC exposure, and cleanup scope.

Products for Missouri homeowners

Compare test kits, humidity monitors, drying equipment, and DIY supplies.

All mold guides

Browse inspection, remediation, cleanup, and moisture-control guides.

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