Suquamish, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Suquamish in?

Suquamish is in Kitsap County, EPA Zone 3.

Q: How much does radon mitigation cost in Suquamish?

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

Kitsap County

EPA Zone 3

Located in Kitsap County within the Bremerton Metro area, Suquamish sits on Puget Sound's glacial deposits over marine sedimentary bedrock that can influence radon levels. Testing data for zip code 98392 remains limited, making professional radon assessment crucial for this waterfront community. The area's unique geology, combined with traditional Pacific Northwest home construction featuring basements and crawl spaces, creates conditions where radon testing should be a priority for residents.

Suquamish, WA Radon Mitigation

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

Suquamish, WA Radon Testing

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

Suquamish Radon Facts

Key details about the radon risk profile for Suquamish and the 98392 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Kitsap County, WA

Zip Code

98392

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Suquamish and the 98392 zip code are located in Kitsap 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 Suquamish, WA

What EPA Radon Zone is Suquamish in?

Suquamish and the 98392 zip code are in Kitsap 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 Suquamish?

Radon mitigation in Suquamish 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 Suquamish?

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