Radon Professionals in Missouri
Find NRPP-certified radon testing and mitigation professionals across Missouri. Browse by city to see professionals in your area. Missouri requires radon disclosure during real estate transactions.
High Radon Risk State
Missouri is classified as EPA Zone 1, meaning the predicted average indoor radon screening level is above 4 pCi/L (the EPA action level). The EPA strongly recommends that all homes in Missouri be tested for radon. If elevated levels are found, a certified mitigation professional can install a system to reduce radon by up to 99%.
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Select your city to see certified radon professionals in your area.
Radon Services in Missouri
Missouri has 55 NRPP-certified radon professionals in our directory across 22 cities. 15 are certified for radon mitigation system installation. 48 hold radon testing certifications.
All professionals listed are certified through the National Radon Proficiency Program (NRPP), which is administered by AARST. NRPP certification requires passing a national exam, maintaining continuing education, and following strict quality assurance protocols.