Sheridan, OR Radon Mitigation and Testing

Q: What EPA Radon Zone is Sheridan in?

Sheridan is in Yamhill County, EPA Zone 2.

Q: How much does radon mitigation cost in Sheridan?

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

Yamhill County

EPA Zone 2

Sheridan in Yamhill County lies within Oregon's Willamette Valley, where the region's diverse geology creates moderate radon potential throughout the area. The community's housing mix includes both historic homes and newer construction, with foundation types ranging from crawl spaces to full basements. While specific radon data for zip code 97378 is limited, testing remains recommended given the variable geological conditions in the valley.

Sheridan, OR Radon Mitigation

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

Sheridan, OR Radon Testing

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

Sheridan Radon Facts

Key details about the radon risk profile for Sheridan and the 97378 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Yamhill County, OR

Zip Code

97378

Predicted Screening Level

2–4 pCi/L (Zone 2)

Sheridan and the 97378 zip code are located in Yamhill County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Sheridan, OR

What EPA Radon Zone is Sheridan in?

Sheridan and the 97378 zip code are in Yamhill County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Sheridan?

Radon mitigation in Sheridan 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 Sheridan?

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