Radon Mitigation in Greenwich, New York

1 verified radon specialist serving Greenwich. Every listing shows the credentials we verified.

Informational only. This page helps you find certified professionals. It is not medical, legal, or structural safety advice. For any health or safety hazard, consult a certified/licensed expert. See our verification methodology.

Typical cost in Greenwich

$800–$2,500

Credentials to expect

NRPP Certified, NRSB Certified, AARST Member

Key fact

Radon causes ~21,000 lung-cancer deaths per year in the U.S. (EPA).

Radon specialists in Greenwich

1 listing

Geosyntec Consultants

Greenwich, New York

Pro
✓ NRPP Measurement✓ NRPP Mitigation

Geosyntec Consultants is a radon professional serving Greenwich, NY. The company holds NRPP Measurement and NRPP Mitigation certifications, qualifying it to provide comprehensive radon testing and mitigation services. These dual certifications ensure that Geosyntec Consultants can both identify radon issues through professional measurement and implement effective mitigation solutions. Contact Geosyntec Consultants for more information.

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Radon Mitigation in Greenwich — FAQ

What radon level requires mitigation?
The EPA action level is 4.0 pCi/L. Mitigation is recommended at or above this; consider it between 2–4 pCi/L.
How much does radon mitigation cost?
Most residential systems run $800–$2,500, depending on home size, foundation type, and radon level.
Should the contractor be NRPP-certified?
Yes. NRPP or NRSB certification verifies the contractor is trained and tested to AARST standards. Every provider here is listed with their credential.

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