Bainbridge Island, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Bainbridge Island in?

Bainbridge Island is in Kitsap County, EPA Zone 3.

Q: How much does radon mitigation cost in Bainbridge Island?

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

Bainbridge Island in Kitsap County offers island living within the Bremerton metro area, where glacial deposits over marine sediments typically result in lower radon levels. Testing data for zip code 98110 remains unavailable, so residents should still verify their home's radon status through professional testing. Washington's diverse geology makes individual testing the most reliable way to assess radon exposure risk.

Bainbridge Island, WA Radon Mitigation

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

Bainbridge Island, WA Radon Testing

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

Bainbridge Island Radon Facts

Key details about the radon risk profile for Bainbridge Island and the 98110 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Kitsap County, WA

Zip Code

98110

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Bainbridge Island and the 98110 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 Bainbridge Island, WA

What EPA Radon Zone is Bainbridge Island in?

Bainbridge Island and the 98110 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 Bainbridge Island?

Radon mitigation in Bainbridge Island 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 Bainbridge Island?

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