DH
Diamond Heritage Inspections, LLC
Certified Professional
Licensed Provider: Christopher Shrum
Testing Specialist•Blue Springs, MO
Testing
Certified RMP
Radon Pros in Missouri
18 contractorsEPA 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.
A&
Air & Water Solutions
Certified Professional
Licensed Provider: Kevin R Hunter
Full Service•Columbia, MO
MitigationTestingCommercialWater Treatment
Certified RMS/RMP12-Year WarrantyFree Estimates
UC
UES Consulting Services, Inc.
Certified Professional
Licensed Provider: Corey D Johnson
Kansas City, MO
Commercial
Certified RMP
PE
Professional Environmental Engineers, Inc.
Certified Professional
Licensed Provider: Lori A Bullock
Full Service•Kansas City, MO
MitigationTestingCommercial
Certified RMPFree Estimates
NH
New Horizons Enterprises, LLC
Certified Professional
Licensed Provider: Mary C Kincaid
Testing Specialist•Kansas City, MO
TestingCommercial
Certified RMP
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.
PI
TestingPost-Test
Data provided by Google Maps
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.
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.