Roosevelt, WA Radon Levels
Check local Roosevelt radon levels and find certified testing and mitigation professionals to keep your home safe
Roosevelt, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Klickitat County, WA
Zip Code
99356
Situated along the Columbia River in Klickitat County, Roosevelt sits on basalt formations and river terrace deposits that typically produce moderate radon levels. The small community features scattered rural homes and recreational properties, many built on crawl spaces or concrete slabs. With limited radon testing data for zip code 99356, individual testing is recommended to assess specific exposure levels in this geologically diverse area.
Roosevelt, WA Radon Mitigation
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Radon FAQ for Roosevelt, WA
What EPA Radon Zone is Roosevelt in?
Roosevelt and the 99356 zip code are in Klickitat 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 Roosevelt?
Radon mitigation in Roosevelt 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 Roosevelt?
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.
Most Active Radon Markets in Washington
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