Radon Mitigation in Johnston, Iowa

2 verified radon specialists serving Johnston. 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 Johnston

$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 Johnston

2 listings

Franklin Cresta

Johnston, Iowa

Pro
✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Franklin Cresta is a radon mitigation professional serving Johnston, IA. The company holds certifications as a CO DORA Radon Mitigation Professional and Radon Mitigation Professional. Contact Franklin Cresta for more information.

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Radon of Iowa Inc

Johnston, Iowa

Free
5 (1 reviews)

Radon of Iowa Inc provides professional radon testing in Johnston, IA. Contact Radon of Iowa Inc for more information.

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Radon Mitigation in Johnston — 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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