Belfair, WA Radon Levels
Check local Belfair radon levels and find certified testing and mitigation professionals to keep your home safe
Belfair, WA Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Mason County, WA
Zip Code
98528
Located in Mason County within the Bremerton metro area, Belfair sits along Puget Sound where marine sediments and the region's mild, wet climate typically result in lower radon accumulation. With testing data for zip code 98528 currently limited, homeowners should still test given individual property variations. The area's EPA Zone 3 classification indicates generally lower radon potential consistent with western Washington's coastal geography.
Belfair, 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 Belfair, WA
What EPA Radon Zone is Belfair in?
Belfair and the 98528 zip code are in Mason 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 Belfair?
Radon mitigation in Belfair 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 Belfair?
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.