Latah, WA Radon Levels
Check local Latah radon levels and find certified testing and mitigation professionals to keep your home safe
Latah, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Spokane County, WA
Zip Code
99018
Latah, located in Spokane County within the Spokane metropolitan area, sits over Columbia River basalt flows and loess deposits characteristic of eastern Washington's Palouse region. Testing data for this zip code 99018 community remains insufficient to establish clear radon patterns, though the area's geological makeup typically produces variable radon levels. Homeowners should conduct individual radon testing to assess their specific property's indoor air quality conditions.
Latah, 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 Latah, WA
What EPA Radon Zone is Latah in?
Latah and the 99018 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 Latah?
Radon mitigation in Latah 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 Latah?
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.