Mill City, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Mill City in?

Mill City is in Marion County, EPA Zone 3.

Q: How much does radon mitigation cost in Mill City?

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, Mill City sits along the North Santiam River where Cascade Range volcanic geology creates EPA zone 3 conditions with generally lower radon potential. The small community features a mix of older homes and manufactured housing, often with crawl space or slab foundations. Testing data for zip code 97360 remains limited, though the area's volcanic bedrock typically produces lower radon levels than other geological formations.

Mill City, OR Radon Mitigation

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

Mill City, OR Radon Testing

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

Mill City Radon Facts

Key details about the radon risk profile for Mill City and the 97360 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Marion County, OR

Zip Code

97360

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Mill City and the 97360 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 Mill City, OR

What EPA Radon Zone is Mill City in?

Mill City and the 97360 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 Mill City?

Radon mitigation in Mill City 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 Mill City?

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