Pasco, WA Radon Levels
Check local Pasco radon levels and find certified testing and mitigation professionals to keep your home safe
Pasco, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Franklin County, WA
Zip Code
99301
Situated in Franklin County at the confluence of the Snake and Columbia rivers, this Tri-Cities community sits on Columbia River basalt flows covered by Missoula flood deposits. Limited radon testing data in the 99301 area makes individual home assessment particularly valuable for Kennewick Metro residents. The region's unique geological history of massive flooding events created complex soil conditions that warrant testing, especially in homes with basements or crawl spaces.
Pasco, 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 Pasco, WA
What EPA Radon Zone is Pasco in?
Pasco and the 99301 zip code are in Franklin 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 Pasco?
Radon mitigation in Pasco 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 Pasco?
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.