Radon Mitigation in Portland, Oregon

7 verified radon specialists serving Portland. 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 Portland

$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 Portland

7 listings

EVREN Northwest, Inc.

Portland, Oregon

Featured
✓ NRPP Measurement✓ NRPP Mitigation

EVREN Northwest, Inc. is a radon professional serving Portland, OR. The company is certified in radon measurement and mitigation through NRPP certification, indicating expertise in both testing and remediation services. Contact EVREN Northwest, Inc. for more information.

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Pro
✓ NRPP Measurement✓ NRPP Mitigation

Cascade Environmental Solutions is a Portland, Oregon-based radon professional. The company holds NRPP Measurement and NRPP Mitigation certifications, enabling it to provide full-service radon testing and mitigation. These certifications demonstrate competency in both identifying and addressing radon concerns. Contact Cascade Environmental Solutions for more information.

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EVREN NW

Portland, Oregon

Pro
✓ NRPP Measurement✓ NRPP Mitigation

EVREN NW is a radon professional in Portland, OR offering measurement and mitigation services. The company holds NRPP Measurement and NRPP Mitigation certifications. Contact EVREN NW for more information.

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Four Walls Inc.

Portland, Oregon

Pro
✓ NRPP Measurement✓ NRPP Mitigation

Four Walls Inc. is a radon professional located in Portland, OR. The company holds both NRPP Measurement and NRPP Mitigation certifications. Contact Four Walls Inc. for more information.

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Absolute Environmental

Portland, Oregon

Free
✓ NRPP Measurement✓ NRPP Mitigation

Absolute Environmental is a radon professional based in Portland, OR. The company holds NRPP Measurement and NRPP Mitigation certifications. Contact Absolute Environmental for more information.

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Evren Northwest

Portland, Oregon

Free
✓ NRPP Measurement✓ NRPP Mitigation

Evren Northwest is a radon professional serving Portland, OR. The company holds NRPP Measurement and NRPP Mitigation certifications, demonstrating expertise in radon testing and mitigation services. Contact Evren Northwest for more information.

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G2 Consultants

Portland, Oregon

Free
✓ NRPP Measurement✓ NRPP Mitigation

G2 Consultants is a radon professional located in Portland, OR. The company holds NRPP Measurement and NRPP Mitigation certifications, demonstrating professional expertise in radon assessment and mitigation. Contact G2 Consultants for more information.

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Radon Mitigation in Portland — 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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