Grants Pass, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Grants Pass in?

Grants Pass is in Josephine County, EPA Zone 3.

Q: How much does radon mitigation cost in Grants Pass?

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

Josephine County

EPA Zone 3

Nestled in Josephine County along the Rogue River in southern Oregon's Siskiyou Mountains, Grants Pass sits on volcanic and sedimentary formations that typically produce low to moderate radon levels. Testing data for zip codes 97526 and 97527 within the Medford Metro area remains limited. However, the diverse geology and varying foundation types in this historic community make radon testing a prudent precaution for all homeowners.

Grants Pass, OR Radon Mitigation

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

Grants Pass, OR Radon Testing

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

Grants Pass Radon Facts

Key details about the radon risk profile for Grants Pass and the 97526 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Josephine County, OR

Zip Code

97526

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Grants Pass and the 97526 zip code are located in Josephine 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 Grants Pass, OR

What EPA Radon Zone is Grants Pass in?

Grants Pass and the 97526 zip code are in Josephine 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 Grants Pass?

Radon mitigation in Grants Pass 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 Grants Pass?

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