Graham, WA Radon Levels
Check local Graham radon levels and find certified testing and mitigation professionals to keep your home safe
Graham, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Pierce County, WA
Zip Code
98338
Located in Pierce County within the Seattle Metro area, Graham sits on glacial deposits that can influence indoor air quality. Since radon testing data is currently limited for zip code 98338, homeowners are encouraged to conduct their own tests to establish baseline radon levels.
Graham, WA Radon Mitigation
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Radon FAQ for Graham, WA
What EPA Radon Zone is Graham in?
Graham and the 98338 zip code are in Pierce 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 Graham?
Radon mitigation in Graham 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 Graham?
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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