Olalla, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Olalla in?

Olalla is in Kitsap County, EPA Zone 3.

Q: How much does radon mitigation cost in Olalla?

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

Nestled in Kitsap County within the Bremerton Metro area, Olalla currently lacks sufficient radon testing data for the 98359 zip code. The community's location on glacial soils near Puget Sound, with underlying marine sediments, can create variable radon conditions. Homeowners should test their properties to establish accurate baseline readings and consider mitigation if levels exceed EPA recommendations.

Olalla, WA Radon Mitigation

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

Olalla, WA Radon Testing

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

Olalla Radon Facts

Key details about the radon risk profile for Olalla and the 98359 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Kitsap County, WA

Zip Code

98359

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Olalla and the 98359 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 Olalla, WA

What EPA Radon Zone is Olalla in?

Olalla and the 98359 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 Olalla?

Radon mitigation in Olalla 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 Olalla?

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