White Swan, WA Radon Levels

Q: What EPA Radon Zone is White Swan in?

White Swan is in Yakima County, EPA Zone 2.

Q: How much does radon mitigation cost in White Swan?

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

Check local White Swan radon levels and find certified testing and mitigation professionals to keep your home safe

White Swan, WA Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Yakima County, WA

Zip Code 98952

Located in the Yakima Valley of Yakima County, White Swan sits on volcanic ash deposits and alluvial soils within the Columbia Basin, where geological conditions typically result in lower radon concentrations. The community's housing stock includes older farmhouses and newer residential construction, with many homes built on concrete slab foundations suitable for the semi-arid climate. While radon testing data for the 98952 zip code area remains limited, the volcanic geology generally suggests lower risk, though individual property testing can provide valuable peace of mind.

White Swan, WA Radon Mitigation

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

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Radon FAQ for White Swan, WA

What EPA Radon Zone is White Swan in?

White Swan and the 98952 zip code are in Yakima 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 White Swan?

Radon mitigation in White Swan 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 White Swan?

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 in Washington with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.50 pCi/L	6
Olympia	7.00 pCi/L	5
Seattle	5.25 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