Endicott, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Endicott in?

Endicott is in Whitman County, EPA Zone 2.

Q: How much does radon mitigation cost in Endicott?

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

Whitman County

EPA Zone 2

Located in the rolling Palouse region of Whitman County, Endicott sits atop loess deposits and Columbia River basalt formations typical of southeastern Washington. With testing data for the 69125 area currently unavailable, residents should conduct radon testing to assess their individual home's risk levels.

Endicott, WA Radon Mitigation

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

Endicott, WA Radon Testing

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

Endicott Radon Facts

Key details about the radon risk profile for Endicott and the 99125 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Whitman County, WA

Zip Code

99125

Predicted Screening Level

2–4 pCi/L (Zone 2)

Endicott and the 99125 zip code are located in Whitman County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Endicott, WA

What EPA Radon Zone is Endicott in?

Endicott and the 99125 zip code are in Whitman County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

How much does radon mitigation cost in Endicott?

Radon mitigation in Endicott 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 Endicott?

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