Coquille, OR Radon Levels

Q: What EPA Radon Zone is Coquille in?

Coquille is in Coos County, EPA Zone 3.

Q: How much does radon mitigation cost in Coquille?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

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

Coquille, OR Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)

County Coos County, OR

Zip Code 97423

Situated in Coos County along Oregon's southern coast, Coquille rests on marine sedimentary formations and coastal alluvial deposits that generally produce lower radon concentrations. With testing data limited for zip code 97423, residents should still consider radon testing, especially in homes with crawl spaces or basements where coastal moisture and soil gases can accumulate. The community's mix of older coastal homes and newer construction presents varying foundation types that may influence radon entry patterns.

Coquille, OR Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Coquille?

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Radon FAQ for Coquille, OR

What EPA Radon Zone is Coquille in?

Coquille and the 97423 zip code are in Coos 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 Coquille?

Radon mitigation in Coquille 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 Coquille?

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.

City	Avg User Radon Level	Submissions
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