Tumtum, WA Radon Levels
Check local Tumtum radon levels and find certified testing and mitigation professionals to keep your home safe
Tumtum, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Stevens County, WA
Zip Code
99034
Situated in Stevens County within the Spokane Metro area, Tumtum sits on glacial deposits and volcanic soils that typically produce lower radon levels in eastern Washington. Testing data for zip code 99034 is currently unavailable, leaving radon exposure levels uncertain for this rural community. Despite the region's generally favorable geological conditions, homeowners should test their properties to ensure safe indoor air quality.
Tumtum, WA Radon Mitigation
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Radon FAQ for Tumtum, WA
What EPA Radon Zone is Tumtum in?
Tumtum and the 99034 zip code are in Stevens 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 Tumtum?
Radon mitigation in Tumtum 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 Tumtum?
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.
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