Pateros, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Pateros in?

Pateros is in Okanogan County, EPA Zone 1.

Q: How much does radon mitigation cost in Pateros?

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

Okanogan County

EPA Zone 1

Nestled in the Methow Valley within Okanogan County, this small community sits on Columbia River terraces surrounded by mountainous terrain. Radon testing data for the 98846 area remains sparse, making individual home assessment particularly valuable given the region's complex geology. The area's mix of older valley homes and newer construction, combined with varied bedrock conditions from surrounding peaks, creates uncertainty that professional radon testing can resolve.

Pateros, WA Radon Mitigation

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

Pateros, WA Radon Testing

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

Pateros Radon Facts

Key details about the radon risk profile for Pateros and the 98846 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Okanogan County, WA

Zip Code

98846

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Pateros and the 98846 zip code are located in Okanogan County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Pateros, WA

What EPA Radon Zone is Pateros in?

Pateros and the 98846 zip code are in Okanogan County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Pateros?

Radon mitigation in Pateros 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 Pateros?

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 Washington

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.60 pCi/L	5
Seattle	5.25 pCi/L	4
Olympia	5.00 pCi/L	4
Bellevue	3.75 pCi/L	4
Spokane	11.67 pCi/L	3
Camas	8.00 pCi/L	3
Centralia	7.00 pCi/L	3
Bellingham	4.50 pCi/L	2
Kirkland	4.50 pCi/L	2
Washougal	8.00 pCi/L	1
Ridgefield	5.00 pCi/L	1
Moses Lake	No submissions	0