O Brien, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is O Brien in?

O Brien is in Josephine County, EPA Zone 3.

Q: How much does radon mitigation cost in O Brien?

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

Josephine County

EPA Zone 3

Tucked into Josephine County in southern Oregon's mountainous terrain, O'Brien sits where diverse geological formations can create varying radon potential across the landscape. Current testing data for zip code 97534 remains sparse, emphasizing the value of professional assessment for individual properties. Given the area's rural character and mixed foundation types common to this region, homeowners should prioritize radon testing for comprehensive property evaluation.

O Brien, OR Radon Mitigation

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

O Brien, OR Radon Testing

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

O Brien Radon Facts

Key details about the radon risk profile for O Brien and the 97534 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Josephine County, OR

Zip Code

97534

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

O Brien and the 97534 zip code are located in Josephine 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 O Brien, OR

What EPA Radon Zone is O Brien in?

O Brien and the 97534 zip code are in Josephine 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 O Brien?

Radon mitigation in O Brien 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 O Brien?

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