Curtis, WA Radon Levels
Check local Curtis radon levels and find certified testing and mitigation professionals to keep your home safe
Curtis, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Lewis County, WA
Zip Code
98538
Nestled in Lewis County among the foothills of southwestern Washington, Curtis sits on volcanic soils and sedimentary deposits that can affect radon gas movement. Current testing data for the 98538 area is limited, highlighting the need for individual home radon assessments. The region's diverse geological formations suggest radon levels may vary considerably between neighboring properties.
Curtis, WA Radon Mitigation
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Radon FAQ for Curtis, WA
What EPA Radon Zone is Curtis in?
Curtis and the 98538 zip code are in Lewis County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Curtis?
Radon mitigation in Curtis 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 Curtis?
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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