GF
Gregory F Michelsen
VerifiedTesting Specialist•Silver Spring, MD
TestingCommercial
NRPP Certified RMP
Radon Pros in Silver Spring, Maryland
5 contractorsEPA zone context: Western Maryland is Zone 1 with significant radon risk. The Baltimore metro area is Zone 2. The Eastern Shore is Zone 3.
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JS
John S. Swett
VerifiedFull Service•Silver Spring, MD
4.8 (57 Google reviews)
MitigationTesting
NRPP Certified RMSFree Estimates
PL
Patricia Lopes
VerifiedFull Service•Silver Spring, MD
5.0 (11 Google reviews)
MitigationTestingCommercial
NRPP Certified RMP
Dedicated radon contractor in Silver Spring, Maryland, providing radon mitigation, radon testing, commercial radon services. Holds NRPP Radon Measurement Professional certification through the National Radon Proficiency Program. Brings 8 years of experience to the work. Locally-owned business.
RA
Full Service•Silver Spring, MD
4.8 (57 Google reviews)
MitigationTesting
Free Estimates
SB
Stephen Berry
VerifiedSilver Spring, MD
TestingCrawlspaceCommercial
NRPP Certified RMP
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