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 Gaithersburg, Maryland

3 verified radon specialists serving Gaithersburg. 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 Gaithersburg

$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 Gaithersburg

3 listings

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

Roberts Radon

Gaithersburg, Maryland

Pro

✓ NRPP Measurement✓ NRPP Mitigation

Roberts Radon is a Gaithersburg, MD business offering Radon Professional services. It holds NRPP Measurement and NRPP Mitigation certifications. Contact Roberts Radon for more information.

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Envirolabs, Inc.

Gaithersburg, Maryland

Free

✓ NRPP Measurement✓ NRPP Mitigation

Envirolabs, Inc. is a radon professional located in Gaithersburg, Maryland. The company holds NRPP Measurement and NRPP Mitigation certifications. Contact Envirolabs, Inc. for more information.

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Roberts Radon, LLC

Gaithersburg, Maryland

Free

✓ NRPP Measurement✓ NRPP Mitigation

Roberts Radon, LLC is a Radon Professional in Gaithersburg, MD. It holds NRPP Measurement and NRPP Mitigation certifications. Contact Roberts Radon, LLC for more information.

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Radon Mitigation in Gaithersburg — 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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