Monroe, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Monroe in?

Monroe is in Benton County, EPA Zone 3.

Q: How much does radon mitigation cost in Monroe?

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

Benton County

EPA Zone 3

This Benton County community in the Eugene Metro area (97456) currently has limited radon testing data available, though Oregon's diverse geological conditions can create pockets of elevated radon even in areas typically considered lower risk. Given the region's volcanic bedrock and varying soil compositions, homeowners are encouraged to conduct baseline radon testing regardless of their home's foundation type.

Monroe, OR Radon Mitigation

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

Monroe, OR Radon Testing

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

Monroe Radon Facts

Key details about the radon risk profile for Monroe and the 97456 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Benton County, OR

Zip Code

97456

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Monroe and the 97456 zip code are located in Benton 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 Monroe, OR

What EPA Radon Zone is Monroe in?

Monroe and the 97456 zip code are in Benton 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 Monroe?

Radon mitigation in Monroe 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 Monroe?

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