Eugene, OR Radon Mitigation and Testing

Q: What is the average radon level in Eugene, OR?

Based on 2 user-submitted tests, the average radon level is 7.00 pCi/L.

Q: What EPA Radon Zone is Eugene in?

Eugene is in Lane County, EPA Zone 3.

Q: How much does radon mitigation cost in Eugene?

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

Avg: 7.00 pCi/L

Lane County

EPA Zone 3

2 user tests

Located in Lane County within the Eugene Metro area, this Willamette Valley city sits on alluvial soils with underlying volcanic bedrock from the Cascade Range. The city's diverse housing stock spans from historic neighborhoods with partial basements to modern developments with various foundation systems across zip codes 97401, 97402, 97403, 97404, 97405, and 97408. Local testing shows an average radon level of 7.0 pCi/L, which exceeds the EPA action level, making mitigation systems recommended for affected properties.

7.00

pCi/L average

Above EPA Action Level

Based on 2 user-submitted radon tests for homes in Eugene, OR. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Eugene, OR Radon Mitigation

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

Eugene, OR Radon Testing

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

Eugene, Oregon Radon Levels

User-submitted radon test readings from homes in the Eugene area.

Radon Level	City	Home Age	Foundation	Submitted
6 pCi/L	Eugene, OR	21-50 Years	No Basement/All Crawl Space	Jan 2022
8 pCi/L	Eugene, OR	21-50 Years	No Basement/All Slab	Jan 2019

Have a radon test result for Eugene? Submit your reading to help other homeowners.

Eugene Radon Facts

Key details about the radon risk profile for Eugene and the 97401 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lane County, OR

Zip Code

97401

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Avg. User Submitted Level

7.00 pCi/L

User Tests Submitted

Eugene and the 97401 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 Eugene, OR

What is the average radon level in Eugene, OR?

Based on 2 user-submitted tests, the average radon level in Eugene is 7.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Eugene in?

Eugene and the 97401 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 Eugene?

Radon mitigation in Eugene 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 Eugene?

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