Radon Mitigation in Hayward, California

1 verified radon specialist serving Hayward. 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 Hayward

$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 Hayward

1 listing

KELLCO Services, Inc.

Hayward, California

Pro
✓ NRPP Measurement✓ NRPP Mitigation

KELLCO Services, Inc. is a radon professional based in Hayward, California. The company is certified in NRPP Measurement and NRPP Mitigation. Contact KELLCO Services, Inc. for more information.

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Radon Mitigation in Hayward — 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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