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Dorris, CA Radon Levels

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


Dorris, CA Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Siskiyou County, CA
Zip Code 96023

Positioned near the Oregon border in Siskiyou County, Dorris sits within California's northeastern volcanic terrain where radon levels can vary significantly based on local geology. Limited testing data makes it difficult to assess community-wide radon patterns in ZIP code 96023. Residents should conduct home testing to understand their individual radon exposure, particularly given the area's complex geological formations.

Dorris, CA 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 Dorris, CA

What EPA Radon Zone is Dorris in?
Dorris and the 96023 zip code are in Siskiyou 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 Dorris?
Radon mitigation in Dorris 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 Dorris?
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 California

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

CityAvg User Radon LevelSubmissions
Los Angeles 7.83 pCi/L 6
Mammoth Lakes 10.80 pCi/L 5
San Jose 4.20 pCi/L 5
Rancho Palos Verdes 8.00 pCi/L 4
Bishop 6.25 pCi/L 4
Oakland 5.00 pCi/L 4
Woodland Hills 7.67 pCi/L 3
South Lake Tahoe 6.33 pCi/L 3
Palos Verdes Peninsula 6.00 pCi/L 3
Sacramento 4.33 pCi/L 3