Radon Mitigation in Ottawa, Illinois

1 verified radon specialist serving Ottawa. 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 Ottawa

$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 Ottawa

1 listing
Free
5 (24 reviews)
✓ State of Illinois Radon Mitigation License #RNM2018203

Illinois Valley Radon Mitigation, LLC is a locally owned and operated radon mitigation company based in Ottawa, Illinois, serving the Illinois Valley area and surrounding communities. Founded as a family-owned business, Illinois Valley Radon Mitigation is committed to putting people above profits, offering quality radon services at a fair price. The company is licensed by the State of Illinois and holds Professional License RNM2018203. All mitigation systems are installed in strict compliance with the State of Illinois Mitigation Standards under 32 Illinois Administrative Code 422. Illinois Valley Radon Mitigation primarily serves LaSalle and Bureau Counties, providing radon testing, mitigation system installation, and real estate radon services. The company offers free estimates on all work and guarantees the quality of every installation. Illinois Valley Radon Mitigation is fully insured, providing clients with additional peace of mind throughout the service process. Owner Tom Thomas serves as the mitigation professional on all projects. The company's ownership brings over 20 years of community service experience in the Ottawa and Illinois Valley area through related businesses, applying that same dedication and local expertise to radon mitigation and indoor air safety.

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Radon Mitigation in Ottawa — 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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