Sisters, OR Radon Mitigation and Testing

Q: What is the average radon level in Sisters, OR?

Based on 1 user-submitted tests, the average radon level is 19.00 pCi/L.

Q: What EPA Radon Zone is Sisters in?

Sisters is in Deschutes County, EPA Zone 3.

Q: How much does radon mitigation cost in Sisters?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Avg: 19.00 pCi/L

Deschutes County

EPA Zone 3

1 user test

Sisters is located in Deschutes County, Oregon. With 1 user-submitted readings averaging 19.00 pCi/L, the area exceeds the EPA's 4.0 pCi/L action threshold, and testing is strongly recommended for homeowners in the 97759 zip code.

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.

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.

Sisters, OR Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Sisters, Oregon Radon Levels

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

Radon Level	City	Home Age	Foundation	Submitted
19 pCi/L	Sisters, OR	—	No Basement/All Slab	Mar 2023

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

Sisters Radon Facts

Key details about the radon risk profile for Sisters and the 97759 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Deschutes County, OR

Zip Code

97759

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

19.00 pCi/L

User Tests Submitted

Sisters and the 97759 zip code are located in Deschutes County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
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
Lincoln City	No submissions	0
West Linn	No submissions	0