Saint Paul, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Paul in?

Saint Paul is in Marion County, EPA Zone 3.

Q: How much does radon mitigation cost in Saint Paul?

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

Marion County

EPA Zone 3

Located in Marion County within the Salem metro area, this Oregon community currently lacks comprehensive radon testing data for residents to reference. Oregon's volcanic soils and Columbia River basalt geology typically produce lower radon levels compared to other regions, though individual homes can still show elevated readings. Professional radon testing remains the only way to determine your specific property's radon risk.

Saint Paul, OR Radon Mitigation

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

Saint Paul, OR Radon Testing

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

Saint Paul Radon Facts

Key details about the radon risk profile for Saint Paul and the 97137 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Marion County, OR

Zip Code

97137

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Saint Paul and the 97137 zip code are located in Marion 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 Saint Paul, OR

What EPA Radon Zone is Saint Paul in?

Saint Paul and the 97137 zip code are in Marion 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 Saint Paul?

Radon mitigation in Saint Paul 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 Saint Paul?

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