Cottage Grove, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Cottage Grove in?

Cottage Grove is in Lane County, EPA Zone 3.

Q: How much does radon mitigation cost in Cottage Grove?

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

Lane County

EPA Zone 3

Found in Lane County as part of the Eugene Metro area, Cottage Grove sits in Oregon's Willamette Valley where volcanic soils over sedimentary bedrock create generally low radon potential. Testing data for the 97424 zip code area remains limited, though the region's geological characteristics typically produce lower radon levels. Individual testing is still recommended as local variations in soil composition and construction factors can influence indoor radon concentrations.

Cottage Grove, OR Radon Mitigation

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

Cottage Grove, OR Radon Testing

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

Cottage Grove Radon Facts

Key details about the radon risk profile for Cottage Grove and the 97424 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lane County, OR

Zip Code

97424

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Cottage Grove and the 97424 zip code are located in Lane 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 Cottage Grove, OR

What EPA Radon Zone is Cottage Grove in?

Cottage Grove and the 97424 zip code are in Lane 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 Cottage Grove?

Radon mitigation in Cottage Grove 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 Cottage Grove?

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