5.0 (103 Google reviews)
Radon Pros in Connecticut
61 contractorsEPA zone context: Much of Connecticut is Zone 1, particularly areas along the Reading Prong geological formation that runs through the state.
Joshua L Smith
VerifiedServing Middletown, Connecticut and surrounding areas with radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Carries NRPP Radon Measurement Professional certification from NRPP. Handles basement, slab-on-grade foundations, and uses sub-slab depressurization and passive radon systems.
4.8 (34 Google reviews)
This Milford, Connecticut-based home inspection company with radon services specializes in radon testing, crawlspace radon solutions, commercial radon services. Has 20 years of radon industry experience. Handles basement, crawlspace foundations.
Jeremiah J. Weid
Verified4.9 (33 Google reviews)
Thomas Lochtefeld
VerifiedAndrew J Morrison
VerifiedA dedicated radon contractor serving Old Saybrook, Connecticut, offering radon mitigation, radon testing, commercial radon services, waterborne radon treatment. Holds NRPP Radon Mitigation Specialist certification through the National Radon Proficiency Program. Handles basement foundations, and licensed and insured.
Andrew James Hurlbut
VerifiedErin Napoletano
Verified4.9 (39 Google reviews)
Operating out of Seymour, Connecticut, this dedicated radon contractor offers radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Certified as NRPP Radon Mitigation Specialist by NRPP. Handles basement, slab-on-grade foundations, and uses sub-slab depressurization and passive radon systems.
Kenneth J. Accashian
VerifiedOperating out of Seymour, Connecticut, this dedicated radon contractor offers radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Certified as NRPP Radon Mitigation Specialist by NRPP. Handles basement, slab-on-grade foundations, and uses sub-slab depressurization and passive radon systems.
Thomas Zickus
Verified5.0 (114 Google reviews)
This Seymour, Connecticut-based contractor specializes in radon mitigation, radon testing, commercial radon services, waterborne radon treatment. NRPP certified: NRPP Radon Mitigation Specialist and NRPP Radon Measurement Professional. Established in 2011. Handles basement foundations, family-owned business, and licensed and insured.
matthew a bednarz
VerifiedDedicated radon contractor in Seymour, Connecticut, providing radon mitigation, radon testing, crawlspace radon solutions, waterborne radon treatment. NRPP certified: NRPP Radon Mitigation Specialist. Handles crawlspace foundations, and locally-owned business.
Douglas Urisko
VerifiedThis Sherman, Connecticut-based dedicated radon contractor specializes in radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. NRPP certified: NRPP Radon Mitigation Specialist and NRPP Radon Measurement Professional. Handles basement, slab-on-grade foundations, and uses sub-slab depressurization and passive radon systems.
Andrew Smith
Verified4.5 (30 Google reviews)
Based in South Windsor, Connecticut, this dedicated radon contractor provides radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Certified as NRPP Radon Measurement Professional by NRPP. Handles basement, slab-on-grade foundations, and uses sub-slab depressurization and passive radon systems.
4.9 (970 Google reviews)
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 Connecticut
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.