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Sisters, OR Radon Levels

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


Sisters, OR Radon Facts

EPA Radon Zone Zone 3 — Low Risk < 2.0 pCi/L (Zone 3)
County Deschutes County, OR
Zip Code 97759
Avg. User Level 19.00 pCi/L
User Tests 1

High-desert community Sisters in Deschutes County shows concerning radon levels, with one recorded reading of 19.0 pCi/L - nearly five times the EPA action threshold. The area's volcanic geology and pumice soils characteristic of the Cascade foothills can trap and concentrate radon gas. All residents should test immediately and consider professional mitigation for such elevated readings.

19.00
pCi/L average
Above EPA Action Level

Based on 1 user-submitted radon test for homes in Sisters, OR. The EPA recommends taking action at or above 4.0 pCi/L.

0
4.0 EPA
10+

Sisters, OR Radon Mitigation

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

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Sisters, OR Radon Levels

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

Radon LevelCityHome AgeFoundation
19 pCi/L Sisters, OR No Basement/All Slab

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

Radon FAQ for Sisters, OR

What is the average radon level in Sisters, OR?
Based on 1 user-submitted test, the average radon level in Sisters is 19.00 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 Sisters in?
Sisters and the 97759 zip code are in Deschutes 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 Sisters?
Radon mitigation in Sisters 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 Sisters?
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