Quilcene, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Quilcene in?

Quilcene is in Jefferson County, EPA Zone 3.

Q: How much does radon mitigation cost in Quilcene?

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

Jefferson County

EPA Zone 3

Coastal Jefferson County community on Washington's Olympic Peninsula, Quilcene (zip code 98376) features Pacific Northwest marine geology with glacial deposits over sedimentary bedrock. The area's housing stock includes older timber-frame homes and newer construction, often with crawl space foundations common to the region, where radon testing data is currently limited. While EPA Zone 3 classification suggests lower radon risk, the diverse geological setting makes individual home testing the most reliable assessment method.

Quilcene, WA Radon Mitigation

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

Quilcene, WA Radon Testing

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

Quilcene Radon Facts

Key details about the radon risk profile for Quilcene and the 98376 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Jefferson County, WA

Zip Code

98376

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Quilcene and the 98376 zip code are located in Jefferson 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 Quilcene, WA

What EPA Radon Zone is Quilcene in?

Quilcene and the 98376 zip code are in Jefferson 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 Quilcene?

Radon mitigation in Quilcene 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 Quilcene?

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