Cathlamet, WA Radon Levels
Check local Cathlamet radon levels and find certified testing and mitigation professionals to keep your home safe
Cathlamet, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Wahkiakum County, WA
Zip Code
98612
Located along the Columbia River in Wahkiakum County, Cathlamet's riverside position on volcanic and sedimentary geology typically yields moderate radon potential. The town's housing stock includes historic homes from the logging era alongside newer river-view properties, many with crawl space foundations due to flood considerations. Testing data for this 98612 zip code area is currently sparse, making individual home testing particularly important for residents.
Cathlamet, 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 Cathlamet, WA
What EPA Radon Zone is Cathlamet in?
Cathlamet and the 98612 zip code are in Wahkiakum 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 Cathlamet?
Radon mitigation in Cathlamet 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 Cathlamet?
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
Cities in Washington with the most user-submitted radon test data, ranked by number of submissions.