Monroe, WA Radon Levels
Check local Monroe radon levels and find certified testing and mitigation professionals to keep your home safe
Monroe, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Snohomish County, WA
Zip Code
98272
Set in Snohomish County as part of the Seattle Metro area (98272), Monroe sits on glacial deposits and marine sediments typical of the Puget Sound region. Although specific radon testing data is currently limited, the area's diverse geological foundation and housing stock ranging from older farmhouses to modern subdivisions make individual home testing advisable.
Monroe, 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 Monroe, WA
What EPA Radon Zone is Monroe in?
Monroe and the 98272 zip code are in Snohomish 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 Monroe?
Radon mitigation in Monroe 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 Monroe?
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.