Glenoma, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Glenoma in?

Glenoma is in Lewis County, EPA Zone 3.

Q: How much does radon mitigation cost in Glenoma?

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

Lewis County

EPA Zone 3

Positioned in Lewis County amid the Cascade foothills, Glenoma sits on volcanic deposits and glacial till that can produce variable radon levels depending on local geology. The rural community's housing includes both older timber-frame homes and newer construction, many with basements or crawl spaces. Without comprehensive local radon data available, residents in the 98336 zip code should conduct testing to understand their home's specific radon risk.

Glenoma, WA Radon Mitigation

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

Glenoma, WA Radon Testing

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

Glenoma Radon Facts

Key details about the radon risk profile for Glenoma and the 98336 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Lewis County, WA

Zip Code

98336

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Glenoma and the 98336 zip code are located in Lewis 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 Glenoma, WA

What EPA Radon Zone is Glenoma in?

Glenoma and the 98336 zip code are in Lewis 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 Glenoma?

Radon mitigation in Glenoma 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 Glenoma?

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