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 Lisbon, Maryland

3 verified radon specialists serving Lisbon. 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 Lisbon

$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 Lisbon

3 listings

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

GMD Construction, Inc.

Lisbon, Maryland

Featured

✓ Certified Mitigation

GMD Construction, Inc. provides professional radon professional in Lisbon, MD. The company holds Certified Mitigation certification. Contact GMD Construction, Inc. for more information.

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GMD Construction, Inc.

Lisbon, Maryland

Pro

✓ NRPP Measurement✓ NRPP Mitigation

GMD Construction, Inc. is a radon professional located in Lisbon, MD. The company holds NRPP Measurement and NRPP Mitigation certifications, qualified to perform both radon testing and mitigation system installation. These credentials demonstrate the business's ability to identify radon levels in homes and implement appropriate mitigation solutions. Contact GMD Construction, Inc. for more information.

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GMD Construction

Lisbon, Maryland

Free

✓ NRPP Measurement✓ NRPP Mitigation

GMD Construction is a radon mitigation and measurement service located in Lisbon, MD. The company holds NRPP certifications in both measurement and mitigation, ensuring qualified expertise in radon testing and remediation services. Contact GMD Construction for more information.

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Radon Mitigation in Lisbon — 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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