Clallam Bay, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Clallam Bay in?

Clallam Bay is in Clallam County, EPA Zone 3.

Q: How much does radon mitigation cost in Clallam Bay?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Clallam County

EPA Zone 3

Positioned along Washington's Olympic Peninsula coast in Clallam County, Clallam Bay sits on marine sedimentary formations with generally lower radon potential. However, testing data for this coastal community remains limited. Residents of zip code 98326 should still consider radon testing, as individual properties can vary significantly based on specific geological conditions and construction characteristics.

Clallam Bay, WA Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Clallam Bay, WA Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Clallam Bay Radon Facts

Key details about the radon risk profile for Clallam Bay and the 98326 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Clallam County, WA

Zip Code

98326

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Clallam Bay and the 98326 zip code are located in Clallam County, which has an EPA assigned Radon Zone of 3. A radon zone of 3 predicts an average indoor radon screening level less than 2 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Clallam Bay, WA

What EPA Radon Zone is Clallam Bay in?

Clallam Bay and the 98326 zip code are in Clallam 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 Clallam Bay?

Radon mitigation in Clallam Bay 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 Clallam Bay?

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Vancouver	6.56 pCi/L	9
Kent	3.60 pCi/L	5
Seattle	5.25 pCi/L	4
Olympia	5.00 pCi/L	4
Bellevue	3.75 pCi/L	4
Spokane	11.67 pCi/L	3
Camas	8.00 pCi/L	3
Centralia	7.00 pCi/L	3
Bellingham	4.50 pCi/L	2
Kirkland	4.50 pCi/L	2
Washougal	8.00 pCi/L	1
Ridgefield	5.00 pCi/L	1
Moses Lake	No submissions	0