Saint Helens, OR Radon Levels
Check local Saint Helens radon levels and find certified testing and mitigation professionals to keep your home safe
Saint Helens, OR Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Columbia County, OR
Zip Code
97051
Positioned in Columbia County along the Portland Metro area, Saint Helens benefits from EPA Zone 2 classification indicating moderate radon potential. The 97051 zip code area currently lacks sufficient testing data to establish local radon patterns. Given Oregon's variable geological conditions and the mix of housing types throughout the Columbia River region, professional radon testing remains the only reliable way to determine individual home exposure levels.
Saint Helens, OR Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Saint Helens, OR
What EPA Radon Zone is Saint Helens in?
Saint Helens and the 97051 zip code are in Columbia County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Saint Helens?
Radon mitigation in Saint Helens typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.
Should I test for radon if I'm buying a home in Saint Helens?
Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.
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