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Medical Lake, WA Radon Levels

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


Medical Lake, WA Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)
County Spokane County, WA
Zip Code 99022

Medical Lake in Spokane County (99022) sits west of Spokane where glacial lake deposits over granite bedrock can create radon pathways into local homes. Testing data for this Spokane Metro community remains limited, making professional radon testing advisable for residents. The area's mix of older homes and newer development includes various foundation types that may affect radon entry potential differently.

Medical Lake, 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 Medical Lake?

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Radon FAQ for Medical Lake, WA

What EPA Radon Zone is Medical Lake in?
Medical Lake and the 99022 zip code are in Spokane County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.
How much does radon mitigation cost in Medical Lake?
Radon mitigation in Medical Lake 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 Medical Lake?
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.

CityAvg User Radon LevelSubmissions
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