Cle Elum, WA Radon Levels
Check local Cle Elum radon levels and find certified testing and mitigation professionals to keep your home safe
Cle Elum, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Kittitas County, WA
Zip Code
98922
Positioned in Kittitas County along the eastern Cascade foothills, Cle Elum sits on volcanic and sedimentary geology where radon levels can vary significantly with local bedrock composition. Testing data is limited for the 98922 zip code, encouraging homeowners to establish baseline readings. This former mining town's housing includes both historic structures and newer mountain homes, many with full basements that could concentrate radon if present.
Cle Elum, 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 Cle Elum, WA
What EPA Radon Zone is Cle Elum in?
Cle Elum and the 98922 zip code are in Kittitas 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 Cle Elum?
Radon mitigation in Cle Elum 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 Cle Elum?
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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