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RadonProsCertified Directory
Aerial neighborhood view in Missouri

Radon Pros in Missouri

18 contractors

EPA zone context: Missouri has large Zone 1 and Zone 2 regions, with notable high-potential areas in central and northern counties.

SL

St. Louis Radon Test & Mitigation, LLC

4.9 (406 Google reviews)

Certified Professional

Licensed Provider: Cherie Summa

Full Service•Chesterfield, MO
MitigationTestingCommercialDiagnosticPost-Test
Certified RMS/RMPFree Estimates

St. Louis Radon Test & Mitigation, LLC is a dedicated radon services company serving Chesterfield, MO. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 4.9/5 on Google based on 406 reviews. Offers free estimates, real estate transaction testing, rush/priority scheduling.

View Profile6362002875
A&

Air & Water Solutions

Certified Professional

Licensed Provider: Kevin R Hunter

Full Service•Columbia, MO
MitigationTestingCommercialWater Treatment
Certified RMS/RMP12-Year WarrantyFree Estimates
View Profile5734451112
RM

Radon Mitigation Masters

Certified Professional

Licensed Provider: John Woods

Full Service•Kansas City, MO
MitigationTestingCrawlspaceFan Repair
Certified RMSFree Estimates

Radon Mitigation Masters is a dedicated radon services company serving Kansas City, MO. Services include radon mitigation system installation, mitigation system design. Works with basements, slab foundations, crawlspaces. Methods include sub-slab depressurization, sump pit ventilation, heat recovery ventilation. Holds Certified Radon Mitigation Specialist certification. Offers free estimates, real estate transaction testing.

View Profile9139631667
RP

Radon Pros

5.0 (304 Google reviews)

Certified Professional

Licensed Provider: Aaron J. Carlton

Full Service•Lees Summit, MO
MitigationTestingCommercial
Certified RMS/RMPFree Estimates

Radon Pros is a dedicated radon services company serving Lees Summit, MO. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 304 reviews. Offers free estimates.

View Profile8168755656
ER

EnviroTech Radon Solutions

Certified Professional

Licensed Provider: Scott Hill

Full Service•O Fallon, MO
MitigationTestingCrawlspaceVapor Barrier
Certified RMSFree Estimates

EnviroTech Radon Solutions is a dedicated radon services company serving O Fallon, MO. Services include radon mitigation system installation, mitigation system design. Works with basements, slab foundations, crawlspaces, split-level homes. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist certification. Offers free estimates, real estate transaction testing.

View Profile6363952701
TR

The Radon Company

4.9 (55 Google reviews)

Identity Verified
Full Service•Springfield, MO
MitigationTestingNew ConstructionCommercial

The Radon Company is a dedicated radon services company serving Springfield, MO. Established in 2010. Services include radon mitigation system installation, radon testing, new construction, commercial radon services. Works with slab foundations. Methods include heat recovery ventilation. Rated 4.9/5 on Google based on 55 reviews. Offers real estate transaction testing.

View Profile(417) 597-9662
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State Info

Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.

Radon mitigation cost in MissouriRadon testing cost in Missouri

Popular Cities for Radon Mitigation in Missouri

Radon mitigation in Kansas City, Missouri4 local contractors listedRadon mitigation in Columbia, Missouri2 local contractors listedRadon mitigation in Jefferson City, Missouri2 local contractors listedRadon mitigation in Joplin, Missouri2 local contractors listedRadon mitigation in Springfield, Missouri2 local contractors listedRadon mitigation in Blue Springs, Missouri1 local contractors listedRadon mitigation in Chesterfield, Missouri1 local contractors listedRadon mitigation in Grandview, Missouri1 local contractors listedRadon mitigation in Lees Summit, Missouri1 local contractors listedRadon mitigation in Liberty, Missouri1 local contractors listedRadon mitigation in O Fallon, Missouri1 local contractors listed

FAQ: Radon Mitigation in Missouri

Is radon a concern in St. Louis and Kansas City?

Yes. Metro areas include neighborhoods where tests exceed EPA action guidance.

Does Missouri require radon disclosure?

Disclosure duties are transaction-specific, so buyers often request testing explicitly in contracts.

How much does radon mitigation cost in Missouri?

Most homeowners in Missouri see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.

Do I need radon testing in Missouri before hiring a contractor?

Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.

What radon level is dangerous in Missouri?

EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Missouri has large Zone 1 and Zone 2 regions, with notable high-potential areas in central and northern counties. ZIP-level lookup tools are useful for local context, but home testing is still required.

How do I choose a certified radon contractor in Missouri?

Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Missouri does not require separate state mitigation licensure; NRPP/NRSB credentials are the standard benchmark.

State Resources for Missouri

Radon mitigation cost in Missouri

Estimate likely project pricing by foundation type and system complexity.

Radon testing guide for Missouri homes

Learn when and how to test, plus how to interpret pCi/L results.

Radon levels and EPA zones in Missouri

See how state-level risk varies and what zone maps can and cannot tell you.

ZIP-level radon risk in Missouri

Check projected local risk by ZIP code before you request quotes.