Naches, WA Radon Levels

Q: What EPA Radon Zone is Naches in?

Naches is in Yakima County, EPA Zone 2.

Q: How much does radon mitigation cost in Naches?

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

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

Naches, WA Radon Facts

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

County Yakima County, WA

Zip Code 98929

Nestled in Yakima County along the Naches River valley, this community sits within the Cascade Range foothills where volcanic geology and alluvial deposits create variable radon conditions. Housing stock across zip codes 98929 and 98937 reflects the area's agricultural heritage, with ranch-style homes and rural properties, many built with crawl space or basement foundations. Limited testing data makes individual radon testing important for residents, particularly those in homes with below-grade living spaces.

Naches, WA Radon Mitigation

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

Need Radon Mitigation or Testing in Naches?

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Radon FAQ for Naches, WA

What EPA Radon Zone is Naches in?

Naches and the 98929 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 Naches?

Radon mitigation in Naches 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 Naches?

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