Oroville, WA Radon Levels
Check local Oroville radon levels and find certified testing and mitigation professionals to keep your home safe
Oroville, WA Radon Facts
EPA Radon Zone
Zone 1 — High Risk
> 4.0 pCi/L (Zone 1)
County
Okanogan County, WA
Zip Code
98844
Positioned in Okanogan County near the Canadian border, Oroville occupies EPA Zone 1 with high radon potential from Washington's complex geological formations. Limited testing data for zip code 98844 underscores the need for comprehensive home testing in this rural community. The region's granite bedrock and glacial deposits can contribute to elevated radon levels in residential properties.
Oroville, WA Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Oroville?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Okanogan County Pros
Radon FAQ for Oroville, WA
What EPA Radon Zone is Oroville in?
Oroville and the 98844 zip code are in Okanogan 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 Oroville?
Radon mitigation in Oroville 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 Oroville?
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.