Medina, WA Radon Levels
Check local Medina radon levels and find certified testing and mitigation professionals to keep your home safe
Medina, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
King County, WA
Zip Code
98039
This upscale community in King County sits along Lake Washington's eastern shore within the Seattle Metro area, built over glacial deposits and marine sedimentary bedrock. Medina features luxury homes with various foundation types, from daylight basements to slab-on-grade construction depending on lot topography. Although radon testing data for zip code 98039 is limited, homeowners should still test given the area's geological variability and enclosed basement spaces.
Medina, 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 Medina, WA
What EPA Radon Zone is Medina in?
Medina and the 98039 zip code are in King County, which has an EPA assigned Radon Zone of 3. A zone of 3 predicts an average indoor radon screening level less than 2 pCi/L.
How much does radon mitigation cost in Medina?
Radon mitigation in Medina 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 Medina?
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.