Naselle, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Naselle in?

Naselle is in Pacific County, EPA Zone 3.

Q: How much does radon mitigation cost in Naselle?

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

Pacific County

EPA Zone 3

Naselle, WA resides in Pacific 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. Testing is recommended for all homes in the 98638 zip code area.

Naselle, WA Radon Mitigation

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

Naselle, WA Radon Testing

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

Naselle Radon Facts

Key details about the radon risk profile for Naselle and the 98638 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Pacific County, WA

Zip Code

98638

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Naselle and the 98638 zip code are located in Pacific 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 Naselle, WA

What EPA Radon Zone is Naselle in?

Naselle and the 98638 zip code are in Pacific 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 Naselle?

Radon mitigation in Naselle 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 Naselle?

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