Radon Mitigation in Spokane, Washington

4 verified radon specialists serving Spokane. 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 Spokane

$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 Spokane

4 listings

We're still building out our Spokane directory. These are the 4 verified radon specialists we've confirmed so far — see more across Washington.

Environmental Consultants LLC

Spokane, Washington

Featured
✓ NRPP Measurement✓ NRPP Mitigation

Environmental Consultants LLC provides radon professional services in Spokane, WA. The company holds National Radon Proficiency Program (NRPP) certifications in both measurement and mitigation. NRPP Measurement certification enables radon level assessment, while NRPP Mitigation certification allows design and implementation of radon reduction systems. Contact Environmental Consultants LLC for more information.

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Rimkus

Spokane, Washington

Featured
✓ NRPP Measurement✓ NRPP Mitigation

Rimkus is based in Spokane, WA and provides Radon Professional services. It holds NRPP Measurement certification and NRPP Mitigation certification. Contact Rimkus for more information.

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Advanced Radon Technologies, Inc.

Spokane, Washington

Free
✓ NRPP Measurement✓ NRPP Mitigation

Advanced Radon Technologies, Inc. is a radon professional serving the Spokane, WA area. The company holds NRPP Measurement and NRPP Mitigation certifications. Contact Advanced Radon Technologies, Inc. for more information.

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

ARP Measurement/Mitigation Professional serves Spokane, WA as a radon professional. The business holds Certified Measurement and Certified Mitigation credentials. Additional certifications include Standard and Analytical Service Provider designation, NRPP Advanced Certificate in Radon Resistant New Construction, and NRPP Advanced Certificate in Multi-Family Mitigation. Contact ARP Measurement/Mitigation Professional for more information.

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Radon Mitigation in Spokane — 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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