Mineral, WA Radon Levels
Check local Mineral radon levels and find certified testing and mitigation professionals to keep your home safe
Mineral, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Lewis County, WA
Zip Code
98355
This Lewis County community in zip code 98355 sits in Washington's diverse geological landscape where radon testing data remains sparse. Pacific Northwest geology creates highly variable radon conditions across different soil types and bedrock formations. Homeowners should prioritize radon testing to understand their individual property's risk profile.
Mineral, WA 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 Mineral, WA
What EPA Radon Zone is Mineral in?
Mineral and the 98355 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 Mineral?
Radon mitigation in Mineral 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 Mineral?
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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