Radon Mitigation in San Jose, California

5 verified radon specialists serving San Jose. 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 San Jose

$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 San Jose

5 listings

Adviro

San Jose, California

Pro
✓ NRPP Measurement✓ NRPP Mitigation

Adviro is a radon professional located in San Jose, CA. The company holds NRPP Measurement certification, qualifying it to conduct professional radon testing and assessment. Adviro is also NRPP certified for radon mitigation, with expertise in designing and implementing radon reduction systems. Contact Adviro for more information.

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Ecosense, Inc.

San Jose, California

Pro
✓ Certified Measurement✓ Standard and Analytical Service Provider

Ecosense, Inc. is a radon professional located in San Jose, California. The company holds certifications as a Certified Measurement, Standard and Analytical Service Provider. Contact Ecosense, Inc. for more information.

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Advanced Environmental (Adviro)

San Jose, California

Free
✓ NRPP Measurement✓ NRPP Mitigation

Advanced Environmental (Adviro), located in San Jose, CA, provides professional radon services. The company holds NRPP Measurement and NRPP Mitigation certifications, demonstrating expertise in both identifying and addressing radon problems. Contact Advanced Environmental (Adviro) for more information.

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Jose D Alvarado

San Jose, California

Free
✓ NRPP Measurement✓ NRPP Mitigation

Jose D Alvarado is a radon professional serving San Jose, CA. He holds NRPP Measurement and NRPP Mitigation certifications, enabling him to test for radon contamination and design mitigation systems to reduce radon levels in homes. Contact Jose D Alvarado for more information.

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Langan CA

San Jose, California

Free
✓ NRPP Measurement✓ NRPP Mitigation

Langan CA is a radon professional service located in San Jose, CA. The company holds NRPP Measurement and NRPP Mitigation certifications, demonstrating expertise in radon evaluation and mitigation. Contact Langan CA for more information.

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Radon Mitigation in San Jose — 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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