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      Corvallis, OR Radon Levels

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

      Corvallis, OR Radon Facts

      EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
      County Benton County, OR
      Zip Code 97330
      Avg. User Level 5.60 pCi/L
      User Tests 5

      Positioned in Benton County within Oregon's Willamette Valley, Corvallis shows an average radon level of 5.6 pCi/L that exceeds the EPA action threshold based on available data. The university town sits atop alluvial deposits and marine sedimentary rocks that contribute to moderate radon potential in the region. Homeowners across zip codes 97330, 97331, and 97333 should consider radon mitigation systems, particularly in homes with basements or crawl spaces where radon can accumulate.

      5.60
      pCi/L average
      Above EPA Action Level

      Based on 5 user-submitted radon tests for homes in Corvallis, OR. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Corvallis, 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 Corvallis?

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      Corvallis, OR Radon Levels

      User-submitted radon test readings from homes in the Corvallis area.

      Radon LevelCityHome AgeFoundation
      3 pCi/L Corvallis, OR 21-50 Years Partial Basement
      9 pCi/L Corvallis, OR 21-50 Years No Basement/All Crawl Space
      6 pCi/L Corvallis, OR 21-50 Years Full Basement
      2 pCi/L Corvallis, OR 21-50 Years Full Basement
      8 pCi/L Corvallis, OR 21-50 Years Partial Basement

      Have a radon test result for Corvallis? Submit your reading to help other homeowners.

      Radon FAQ for Corvallis, OR

      What is the average radon level in Corvallis, OR?
      Based on 5 user-submitted tests, the average radon level in Corvallis is 5.60 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
      What EPA Radon Zone is Corvallis in?
      Corvallis and the 97330 zip code are in Benton 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 Corvallis?
      Radon mitigation in Corvallis 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 Corvallis?
      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

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 541-203-3740

      A licensed contractor will contact you immediately.

      * Required