Yakima, WA Radon Levels
Check local Yakima radon levels and find certified testing and mitigation professionals to keep your home safe
Yakima, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Yakima County, WA
Zip Code
98901
Yakima in Yakima County sits within Washington's Columbia River Basin where volcanic bedrock and agricultural soils typically produce lower radon potential. Testing data remains limited across the city's multiple zip codes, though the area's geological conditions generally favor natural radon dispersion. Professional testing is still recommended, particularly for homes with basement foundations or those built over varying soil conditions throughout the metro area.
Yakima, 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 Yakima, WA
What EPA Radon Zone is Yakima in?
Yakima and the 98901 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 Yakima?
Radon mitigation in Yakima 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 Yakima?
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.