Donald, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Donald in?

Donald is in Marion County, EPA Zone 3.

Q: How much does radon mitigation cost in Donald?

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

Found in Marion County within Oregon's Salem Metro area, Donald sits in EPA Zone 3 where the Willamette Valley's alluvial soils typically produce lower radon levels. However, with limited testing data available for the 97020 area, homeowners should still consider radon testing as individual properties can vary. The community's mix of agricultural properties and residential homes, many built on crawl spaces or slabs common to the Pacific Northwest, presents varying radon entry potential.

Donald, OR Radon Mitigation

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

Donald, OR Radon Testing

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

Donald Radon Facts

Key details about the radon risk profile for Donald and the 97020 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Marion County, OR

Zip Code

97020

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Donald and the 97020 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 Donald, OR

What EPA Radon Zone is Donald in?

Donald and the 97020 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 Donald?

Radon mitigation in Donald 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 Donald?

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