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Tiller, OR Radon Levels

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


Tiller, OR Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Douglas County, OR
Zip Code 97484

Nestled in Douglas County's Cascade foothills, Tiller sits among volcanic and sedimentary formations that create moderate radon potential for this rural Oregon community. With testing data currently unavailable for zip code 97484, residents should conduct home testing to assess their property-specific radon risk.

Tiller, 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 Tiller?

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Radon FAQ for Tiller, OR

What EPA Radon Zone is Tiller in?
Tiller and the 97484 zip code are in Douglas 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 Tiller?
Radon mitigation in Tiller 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 Tiller?
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