Damascus, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Damascus in?

Damascus is in Clackamas County, EPA Zone 3.

Q: How much does radon mitigation cost in Damascus?

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

Positioned in Clackamas County southeast of Portland, Damascus currently has limited radon testing data for the 97089 zip code area. The region's volcanic bedrock and alluvial deposits typical of the Willamette Valley generally produce lower radon levels compared to other Pacific Northwest areas. While testing data remains limited, homeowners should still consider radon assessment, particularly for properties with basements or lower-level living spaces.

Damascus, OR Radon Mitigation

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

Damascus, OR Radon Testing

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

Damascus Radon Facts

Key details about the radon risk profile for Damascus and the 97089 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Clackamas County, OR

Zip Code

97089

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Damascus and the 97089 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 Damascus, OR

What EPA Radon Zone is Damascus in?

Damascus and the 97089 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 Damascus?

Radon mitigation in Damascus 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 Damascus?

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