Anacortes, WA Radon Levels
Check local Anacortes radon levels and find certified testing and mitigation professionals to keep your home safe
Anacortes, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Skagit County, WA
Zip Code
98221
Perched on Fidalgo Island in Skagit County, Anacortes benefits from marine geology and volcanic bedrock that typically produce lower radon levels in the 98221 zip code. However, testing data remains limited for this island community, making individual assessment valuable for homeowners. Washington's diverse geological landscape means even coastal areas can have variable radon conditions worth monitoring.
Anacortes, 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 Anacortes, WA
What EPA Radon Zone is Anacortes in?
Anacortes and the 98221 zip code are in Skagit 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 Anacortes?
Radon mitigation in Anacortes 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 Anacortes?
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.