PI
Performance Insulation & Energy Services
Certified Professional
Licensed Provider: Sean T Siemienczuk
Testing Specialist•Sherwood, OR
TestingNew Construction
Certified RMP
Radon Pros in Oregon
26 contractorsEPA zone context: Oregon includes Zone 1 and Zone 2 areas, with higher potential in several eastern and inland counties.
JW
John's Waterproofing
5.0 (11 Google reviews)
Certified Professional
Licensed Provider: Colton L Barber
Full Service•Silverton, OR
MitigationTestingCrawlspaceVapor BarrierSump Pump
Certified RMPFree Estimates
John's Waterproofing is a contractor offering radon-related services serving Silverton, OR. Established in 1974. Services include radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 11 reviews. Offers free estimates, financing options.
Data provided by Google Maps
State Info
Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.
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FAQ: Radon Mitigation in Oregon
Is Portland a low-radon market?
Portland averages are often moderate, but many homes in the metro and nearby counties still test above 4.0 pCi/L.
Do crawlspace homes in Oregon need testing?
Yes. Crawlspace soils and rim-joist leakage can drive elevated indoor readings.
How much does radon mitigation cost in Oregon?
Most homeowners in Oregon see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.
Do I need radon testing in Oregon before hiring a contractor?
Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.
What radon level is dangerous in Oregon?
EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Oregon includes Zone 1 and Zone 2 areas, with higher potential in several eastern and inland counties. ZIP-level lookup tools are useful for local context, but home testing is still required.
How do I choose a certified radon contractor in Oregon?
Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Oregon does not require separate statewide mitigation licensure beyond national certification.
State Resources for Oregon
Radon mitigation cost in Oregon
Estimate likely project pricing by foundation type and system complexity.
Radon testing guide for Oregon homes
Learn when and how to test, plus how to interpret pCi/L results.
Radon levels and EPA zones in Oregon
See how state-level risk varies and what zone maps can and cannot tell you.
ZIP-level radon risk in Oregon
Check projected local risk by ZIP code before you request quotes.