Mesa, WA Radon Levels
Check local Mesa radon levels and find certified testing and mitigation professionals to keep your home safe
Mesa, WA Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Franklin County, WA
Zip Code
99343
Part of the Kennewick Metro area in Franklin County, Mesa sits in Washington's EPA Zone 2 where moderate radon levels are anticipated. The Columbia River region's geological composition includes basalt formations and sedimentary deposits that can influence radon production and migration patterns. Without local testing data available, residents should conduct their own radon measurements to determine their home's specific risk level.
Mesa, 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 Mesa, WA
What EPA Radon Zone is Mesa in?
Mesa and the 99343 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 Mesa?
Radon mitigation in Mesa 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 Mesa?
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.