Radon Mitigation in San Diego, California

3 verified radon specialists serving San Diego. 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 Diego

$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 Diego

3 listings

We're still building out our San Diego directory. These are the 3 verified radon specialists we've confirmed so far — see more across California.

Boulder Radon Ltd.

San Diego, California

Featured
✓ NRPP Measurement✓ NRPP Mitigation

Boulder Radon Ltd. is a radon professional serving San Diego, CA. The company offers radon testing and mitigation services, with NRPP Measurement and NRPP Mitigation certifications demonstrating expertise in radon detection and remediation. Contact Boulder Radon Ltd. for more information.

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ARP Mitigation Professional

San Diego, California

Free
✓ Certified Measurement✓ Certified Mitigation✓ NRPP Advanced Certificate Radon Resistant New Construction

ARP Mitigation Professional is a radon professional serving San Diego, CA. The company holds Certified Measurement and Certified Mitigation certifications, an NRPP Advanced Certificate in Radon Resistant New Construction, and is a member of the Radon Speaker Bureau. Contact ARP Mitigation Professional for more information.

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Ethan R Switzer

San Diego, California

Free
✓ NRPP Measurement✓ NRPP Mitigation

Ethan R Switzer is a radon professional serving San Diego, CA. He holds NRPP Measurement and NRPP Mitigation certifications, ensuring compliance with professional standards for radon testing and mitigation services. Contact Ethan R Switzer for more information.

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Radon Mitigation in San Diego — 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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