Radon Abatement Services, LLC
Licensed Professional: John S. Swett
At a Glance
About Radon Abatement Services, LLC
With a 4.8-star Google rating from 57 reviews, John S. Swett is among the top-rated radon professionals serving Silver Spring, Maryland. Holds dual NRPP and NRSB certifications, covering both measurement and mitigation. Specializes in radon mitigation and mitigation system installation. Operating under Radon Abatement Services, LLC.
Credentials & Verification
NRPP Radon Mitigation Specialist License
Licensed to design and install radon mitigation systems
Issuing Body
National Radon Proficiency Program (NRPP)
License Type
Professional License
Status
Current through August 2026Verified against GOOGLE_PLACES, NRPP, NRSB, RADON_SITE public databases · Last checked April 2026 · Report incorrect information
Contact & Location
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