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 Manassas, Virginia

2 verified radon specialists serving Manassas. 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 Manassas

$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 Manassas

2 listings

Dave SFreddo Home Inspection Services, LLC

Manassas, Virginia

Free

✓ Certified Measurement✓ Standard and Analytical Service Provider

Dave SFreddo Home Inspection Services, LLC provides radon professional services in Manassas, VA. The company holds certifications as a Certified Measurement, Standard and Analytical Service Provider. Contact Dave SFreddo Home Inspection Services, LLC for more information.

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ECS Mid-Atlantic, LLC.

Manassas, Virginia

Free

✓ NRPP Measurement✓ NRPP Mitigation

ECS Mid-Atlantic, LLC. is a radon professional service provider located in Manassas, VA. The company holds NRPP certifications in both Measurement and Mitigation. Contact ECS Mid-Atlantic, LLC. for more information.

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Radon Mitigation in Manassas — 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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