Roosevelt, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Roosevelt in?

Roosevelt is in Klickitat County, EPA Zone 2.

Q: How much does radon mitigation cost in Roosevelt?

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

Klickitat County

EPA Zone 2

Situated along the Columbia River in Klickitat County, Roosevelt sits on basalt formations and river terrace deposits that typically produce moderate radon levels. The small community features scattered rural homes and recreational properties, many built on crawl spaces or concrete slabs. With limited radon testing data for zip code 99356, individual testing is recommended to assess specific exposure levels in this geologically diverse area.

Roosevelt, WA Radon Mitigation

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

Roosevelt, WA Radon Testing

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

Roosevelt Radon Facts

Key details about the radon risk profile for Roosevelt and the 99356 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Klickitat County, WA

Zip Code

99356

Predicted Screening Level

2–4 pCi/L (Zone 2)

Roosevelt and the 99356 zip code are located in Klickitat 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 Roosevelt, WA

What EPA Radon Zone is Roosevelt in?

Roosevelt and the 99356 zip code are in Klickitat 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 Roosevelt?

Radon mitigation in Roosevelt 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 Roosevelt?

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