KJ
Krishi J Tanna
VerifiedFull Service•Carteret, NJ
MitigationTestingNew ConstructionCommercialPost-Test
NRPP Certified RMP
Radon Pros in New Jersey
22 contractorsEPA zone context: Northern New Jersey along the Reading Prong is Zone 1 — one of the highest-radon areas in the US. Central and southern NJ are Zone 2-3.
HE
Full Service•Cherry Hill Township, NJ
4.6 (51 Google reviews)
MitigationTesting
Free Estimates
EA
Cinnaminson, NJ
4.3 (67 Google reviews)
MitigationTestingCommercialDiagnosticPost-Test
GK
Greg Krueger
VerifiedTesting Specialist•Denville, NJ
TestingCommercialVapor Barrier
NRPP Certified RMP
TP
Elizabeth, NJ
5.0 (18 Google reviews)
TestingNew ConstructionCommercial
EA
Emily Ambrosi
VerifiedFull Service•Flanders, NJ
MitigationTestingCrawlspaceWater TreatmentPost-Test
NRPP Certified RMPFree Estimates
Serving Flanders, New Jersey and surrounding areas with radon mitigation, radon testing, crawlspace radon solutions, waterborne radon treatment. Carries NRPP Radon Measurement Professional certification from NRPP. In business since 1984. Handles basement, crawlspace foundations.
JC
John Cowell
VerifiedFull Service•Flanders, NJ
MitigationTestingCrawlspaceWater TreatmentPost-Test
NRPP Certified RMSFree Estimates
A dedicated radon contractor serving Flanders, New Jersey, offering radon mitigation, radon testing, crawlspace radon solutions, waterborne radon treatment. NRPP certified: NRPP Radon Mitigation Specialist. Established in 1984. Handles basement, crawlspace foundations.
KW
Kenneth Waldele
VerifiedFull Service•Flanders, NJ
MitigationTestingCommercial
NRPP Certified RMP
A dedicated radon contractor serving Flanders, New Jersey, offering radon mitigation, radon testing, commercial radon services. Holds NRPP Radon Measurement Professional certification through the National Radon Proficiency Program. Handles basement foundations.
RL
Full Service•Flanders, NJ
4.9 (2597 Google reviews)
MitigationTestingCrawlspaceWater TreatmentPost-Test
Free Estimates
Operating out of Flanders, New Jersey, this dedicated radon contractor offers radon mitigation, radon testing, crawlspace radon solutions, waterborne radon treatment. Serving clients since 1984. Handles basement, crawlspace foundations.
SA
Full Service•Flemington, NJ
5.0 (291 Google reviews)
MitigationTestingCrawlspaceCommercialWater Treatment+2
A dedicated radon contractor serving Flemington, New Jersey, offering radon mitigation, radon testing, crawlspace radon solutions, commercial radon services. Handles slab-on-grade, crawlspace foundations, and uses sub-slab depressurization and sub-membrane depressurization.
OH
Jersey City, NJ
4.8 (42 Google reviews)
TestingCommercial
MF
Mikhail Fradkin
VerifiedFull Service•Manalapan, NJ
MitigationTestingCommercial
NRPP Certified RMP
FT
Full Service•Mantua Township, NJ
4.6 (32 Google reviews)
MitigationTesting
RH
Testing Specialist•Maplewood, NJ
5.0 (41 Google reviews)
TestingCommercial
AE
Mt Laurel Township, NJ
4.9 (332 Google reviews)
TestingCrawlspaceCommercial
Licensed & InsuredFree Estimates
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 in New Jersey
Related Radon Guides
How to Test for Radon
Testing methods, closed-house conditions, and how to read your results.
Foundation Types & Radon
How basements, slabs, and crawlspaces affect radon entry and system design.
Radon in Real Estate
What buyers and sellers should expect during testing, mitigation, and closing.
Radon System Maintenance
Maintenance schedules, fan replacement, and keeping your mitigation system effective.