Radon Mitigation in Pasadena, California

1 verified radon specialist serving Pasadena. 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 Pasadena

$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 Pasadena

1 listing

Intertek-PSI

Pasadena, California

Pro
✓ NRPP Measurement✓ NRPP Mitigation

Intertek-PSI is a radon professional located in Pasadena, CA. The company holds certifications in both NRPP Measurement and NRPP Mitigation, demonstrating expertise in testing and mitigation of radon in homes and buildings. Contact Intertek-PSI for more information.

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Radon Mitigation in Pasadena — 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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