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Cave Junction, OR Radon Levels

Check local Cave Junction radon levels and find certified testing and mitigation professionals to keep your home safe


Cave Junction, OR Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Josephine County, OR
Zip Code 97523

Tucked in the Illinois River valley of Josephine County, Cave Junction sits on volcanic and sedimentary geology typical of southwestern Oregon's mountainous terrain. The rural community features diverse housing from older cabins to newer homes, many built on crawl space or basement foundations. Testing data for the 97523 zip code area is currently limited, making individual radon testing important for residents given the varied geological conditions.

Cave Junction, OR 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 Cave Junction, OR

What EPA Radon Zone is Cave Junction in?
Cave Junction and the 97523 zip code are in Josephine 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 Cave Junction?
Radon mitigation in Cave Junction 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 Cave Junction?
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 Oregon

Cities in Oregon with the most user-submitted radon test data, ranked by number of submissions.

CityAvg User Radon LevelSubmissions
Corvallis 5.60 pCi/L 5
Astoria 9.25 pCi/L 4
La Grande 10.67 pCi/L 3
Bend 3.33 pCi/L 3
Salem 9.00 pCi/L 2
Eugene 7.00 pCi/L 2
Medford 7.00 pCi/L 1
Dundee 6.00 pCi/L 1
Ashland 4.00 pCi/L 1
Portland 4.00 pCi/L 1