Find Radon Testers in Missouri
Certified radon testing and mitigation professionals across Missouri. Browse 20+ listed providers below.
Radon Risk Level
EPA data for this state
High radon potential; Ozark region elevated.
Browse by City in Missouri
Kansas City
17 providers
Saint Louis
14 providers
Dexter
3 providers
Lees Summit
3 providers
Saint Charles
2 providers
Blue Springs
2 providers
Grandview
2 providers
Springfield
2 providers
Chesterfield
1 provider
Columbia
1 provider
Richmond Heights
1 provider
Grain Valley
1 provider
Warrensburg
1 provider
Oak Grove
1 provider
Kirkwood
1 provider
O Fallon
1 provider
Saint Peters
1 provider
Troy
1 provider
Foristell
1 provider
Kearney
1 provider
Mountain Grove
1 provider
Radon Providers in Missouri(showing top 20)
Radon Testing in Missouri — FAQ
How often should I test for radon in Missouri?
The EPA recommends testing every two years in Missouri. Always test when moving into a new home, after renovations that affect lower levels, and after installing a mitigation system.
What is the EPA action level for radon?
The EPA recommends taking action to reduce radon if indoor levels reach 4 pCi/L or higher. Even levels between 2–4 pCi/L present risk, and mitigation is recommended where feasible.
Do I need a certified radon tester in Missouri?
For real estate transactions, most states require a certified tester. Look for NRPP or AARST-NRPP certification. Missouri may also have its own state program — check your state radon office for specific requirements.