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Clackamas, OR Radon Levels

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


Clackamas, OR Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Clackamas County, OR
Zip Code 97015

Clackamas in Clackamas County lies within the Portland Metro area, where the Willamette Valley's alluvial soils and underlying basalt formations typically produce lower radon levels. While specific testing data for the 97015 area is currently limited, the region's geological characteristics and predominantly newer suburban housing suggest moderate radon potential. Homeowners should conduct radon testing as part of routine home maintenance, especially in properties with finished basements or crawl spaces.

Clackamas, 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 Clackamas, OR

What EPA Radon Zone is Clackamas in?
Clackamas and the 97015 zip code are in Clackamas 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 Clackamas?
Radon mitigation in Clackamas 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 Clackamas?
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