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Certified radon testers and mitigators in Oregon

39 certified radon testers and mitigation contractors in Oregon, from the state's official list or the national NRPP directory.

3 cities & counties39 certified pros

Pros in this state come from the NRPP national certification directory (checked Oct 28, 2026). Get Radon Quotes is independent and not affiliated with NRPP. Some states also require a state license, so confirm with your state radon office before you hire. Your state radon office.

Major cities

Portland 10

Counties in Oregon A–Z

Smaller counties in Oregon

Counties with only a few listings so far, grouped by county.

Columbia County 2

Deschutes County 1

Douglas County 1

Lane County 2

Marion County 2

Multnomah County 2

Umatilla County 1

Yamhill County 1

Get free quotes from up to 3 certified radon pros near Oregon

Tell us what you need and where. We send your request to up to 3 certified pros near you who offer that service, and they contact you directly.

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  1. We match your ZIP to certified pros nearby who offer the service you picked.
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Prefer to choose yourself? Every certified pro is listed above with their phone number.