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.

Radon Mitigation in Westmont, Illinois

3 verified radon specialists serving Westmont. 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 Westmont

$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 Westmont

3 listings

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

Radon Detection Specialists, Inc.

Westmont, Illinois

Featured

✓ AARST Member

Radon Detection Specialists, Inc. provides professional radon professional in Westmont, IL. The company holds AARST Member certification. Contact Radon Detection Specialists, Inc. for more information.

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Radon Detection Specialists

Westmont, Illinois

Free

4.1 (17 reviews)

✓ NRPP - National Radon Proficiency Program✓ NRSB - National Radon Safety Board✓ Illinois State License

Radon Detection Specialists is an Illinois-based radon testing company founded in 1986, serving residential, commercial, and institutional clients. They are the largest testing firm in Illinois with over 40,000 tests completed and provide testing for real estate transactions, schools, daycares, multi-family housing, and commercial buildings.

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Kirsten Schmidt

Westmont, Illinois

Free

✓ CO DORA Radon Mitigation Professional✓ Radon Mitigation Professional

Kirsten Schmidt is a radon mitigation professional in Westmont, IL, holding certifications as a CO DORA Radon Mitigation Professional and a Radon Mitigation Professional. She provides radon mitigation services. Contact Kirsten Schmidt for more information.

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Radon Mitigation in Westmont — 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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