Matlock, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Matlock in?

Matlock is in Mason County, EPA Zone 3.

Q: How much does radon mitigation cost in Matlock?

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

Mason County

EPA Zone 3

Nestled in Mason County's forested terrain, Matlock sits on glacial deposits and marine sediments characteristic of the Pacific Northwest's coastal region. With limited radon testing data available for the 98560 zip code area, homeowners should prioritize independent testing to assess their individual risk. The area's mix of manufactured homes and traditional stick-built construction with various foundation types can influence radon accumulation patterns.

Matlock, WA Radon Mitigation

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

Matlock, WA Radon Testing

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

Matlock Radon Facts

Key details about the radon risk profile for Matlock and the 98560 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Mason County, WA

Zip Code

98560

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Matlock and the 98560 zip code are located in Mason 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 Matlock, WA

What EPA Radon Zone is Matlock in?

Matlock and the 98560 zip code are in Mason 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 Matlock?

Radon mitigation in Matlock 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 Matlock?

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