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 Billings, Montana

5 verified radon specialists serving Billings. 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 Billings

$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 Billings

5 listings

A-Pro Radon and Property Services

Billings, Montana

Pro

✓ Certified Measurement✓ Standard and Analytical Service Provider✓ Certified Mitigation

A-Pro Radon and Property Services is a radon professional serving Billings, MT. The company holds certifications as a Certified Measurement, Standard and Analytical Service Provider, and Certified Mitigation specialist. Contact A-Pro Radon and Property Services for more information.

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Radon Protection Services, LLP

Billings, Montana

Pro

✓ AARST Member

Radon Protection Services, LLP provides professional radon professional in Billings, MT. The company holds AARST Member certification. Contact Radon Protection Services, LLP for more information.

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ARP Measurement Professional

Billings, Montana

Free

✓ Certified Measurement✓ Standard and Analytical Service Provider✓ Certified Mitigation

ARP Measurement Professional is a radon professional based in Billings, MT. The company holds multiple certifications including Certified Measurement, Standard and Analytical Service Provider, Certified Mitigation, and NRPP Advanced Certificate Multi-Family Measurement. These credentials demonstrate comprehensive expertise in radon measurement and mitigation services. Contact ARP Measurement Professional for more information.

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Certified Radon Services

Billings, Montana

Free

✓ NRPP Measurement✓ NRPP Mitigation

Certified Radon Services is a radon professional based in Billings, Montana. The company holds NRPP Measurement and NRPP Mitigation certifications, providing radon testing and mitigation services. Contact Certified Radon Services for more information.

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Doctor Radon

Billings, Montana

Free

✓ NRPP Measurement✓ NRPP Mitigation

Doctor Radon is a radon professional serving Billings, MT. The company holds NRPP Measurement and NRPP Mitigation certifications, demonstrating expertise in radon testing and mitigation services. Contact Doctor Radon for more information.

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Radon Mitigation in Billings — 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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