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 Greenville, South Carolina

3 verified radon specialists serving Greenville. 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 Greenville

$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 Greenville

3 listings

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

ECS Southeast, LLC

Greenville, South Carolina

Pro

✓ NRPP Measurement✓ NRPP Mitigation

ECS Southeast, LLC is a radon professional located in Greenville, South Carolina. The company holds both NRPP Measurement and NRPP Mitigation certifications. Contact ECS Southeast, LLC for more information.

Contact details locked Claim this listing →

Swat Environmental

Greenville, South Carolina

Pro

✓ Certified Mitigation

Swat Environmental provides professional radon professional in Greenville, SC. The company holds Certified Mitigation certification. Contact Swat Environmental for more information.

Contact details locked Claim this listing →

Bunnell-Lammons Engineering, Inc.

Greenville, South Carolina

Free

✓ Certified Measurement

Bunnell-Lammons Engineering, Inc. provides professional radon professional in Greenville, SC. The company holds Certified Measurement certification. Contact Bunnell-Lammons Engineering, Inc. for more information.

Contact details locked Claim this listing →

Radon Mitigation in Greenville — 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.

Other services in Greenville

Mold Remediation

in Greenville, South Carolina

Are you a Greenville radon pro?

Claim your listing to unlock contact details and receive leads from Greenville homeowners.

Claim your listing