Cashmere, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Cashmere in?

Cashmere is in Chelan County, EPA Zone 3.

Q: How much does radon mitigation cost in Cashmere?

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

Chelan County

EPA Zone 3

Located in the Wenatchee Valley of Chelan County, Cashmere sits amid irrigated orchard country where Columbia River basalt and glacial deposits create variable radon conditions. With limited testing data available for zip code 98815, residents should conduct individual testing to determine their home's radon levels.

Cashmere, WA Radon Mitigation

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

Cashmere, WA Radon Testing

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

Cashmere Radon Facts

Key details about the radon risk profile for Cashmere and the 98815 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Chelan County, WA

Zip Code

98815

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Cashmere and the 98815 zip code are located in Chelan 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 Cashmere, WA

What EPA Radon Zone is Cashmere in?

Cashmere and the 98815 zip code are in Chelan 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 Cashmere?

Radon mitigation in Cashmere 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 Cashmere?

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