Cornelius, OR Radon Levels
Check local Cornelius radon levels and find certified testing and mitigation professionals to keep your home safe
Cornelius, OR Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Washington County, OR
Zip Code
97113
Part of the Portland Metro area in Washington County, Cornelius sits on Columbia River basalt and sedimentary formations that typically produce moderate radon levels. With testing data for zip code 97113 currently limited, homeowners should conduct radon measurements to determine their specific exposure levels in this geologically diverse region.
Cornelius, OR Radon Mitigation
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Radon FAQ for Cornelius, OR
What EPA Radon Zone is Cornelius in?
Cornelius and the 97113 zip code are in Washington 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 Cornelius?
Radon mitigation in Cornelius 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 Cornelius?
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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