Jefferson, OR Radon Levels
Check local Jefferson radon levels and find certified testing and mitigation professionals to keep your home safe
Jefferson, OR Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Marion County, OR
Zip Code
97352
Located in Marion County within the Salem Metro area, Jefferson sits in the Willamette Valley where volcanic soils and sedimentary deposits create variable radon conditions. While radon testing data for Jefferson (zip code 97352) remains limited, homeowners should consider testing given Oregon's diverse geological conditions. Many homes in this area feature crawl spaces and slab foundations typical of Pacific Northwest construction.
Jefferson, OR Radon Mitigation
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Radon FAQ for Jefferson, OR
What EPA Radon Zone is Jefferson in?
Jefferson and the 97352 zip code are in Marion 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 Jefferson?
Radon mitigation in Jefferson 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 Jefferson?
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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