Centerville, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Centerville in?

Centerville is in Klickitat County, EPA Zone 2.

Q: How much does radon mitigation cost in Centerville?

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

Located in Klickitat County along the Columbia River Gorge, Centerville sits within an EPA Zone 2 area where radon testing data remains limited. The region's volcanic soils and basalt bedrock create variable radon conditions that can differ significantly between properties. Given the lack of current testing data in zip code 98613, homeowners are strongly encouraged to conduct radon testing to establish baseline levels for their specific location.

Centerville, WA Radon Mitigation

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

Centerville, WA Radon Testing

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

Centerville Radon Facts

Key details about the radon risk profile for Centerville and the 98613 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Klickitat County, WA

Zip Code

98613

Predicted Screening Level

2–4 pCi/L (Zone 2)

Centerville and the 98613 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 Centerville, WA

What EPA Radon Zone is Centerville in?

Centerville and the 98613 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 Centerville?

Radon mitigation in Centerville 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 Centerville?

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