Oregon City, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Oregon City in?

Oregon City is in Clackamas County, EPA Zone 3.

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

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

Clackamas County

EPA Zone 3

Situated in Clackamas County within the Portland Metro area, Oregon City sits in EPA zone 3 where the Pacific Northwest's volcanic soils and marine climate typically result in lower radon concentrations. The area's diverse housing stock in zip code 97045 ranges from historic homes to newer developments, though radon can still accumulate in basement and lower-level spaces. Testing data for the area is currently limited, making individual home testing advisable for accurate risk assessment.

Oregon City, OR Radon Mitigation

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

Oregon City, OR Radon Testing

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

Oregon City Radon Facts

Key details about the radon risk profile for Oregon City and the 97045 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Clackamas County, OR

Zip Code

97045

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Oregon City and the 97045 zip code are located in Clackamas 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 Oregon City, OR

What EPA Radon Zone is Oregon City in?

Oregon City and the 97045 zip code are in Clackamas 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 Oregon City?

Radon mitigation in Oregon 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 Oregon 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