Odessa, WA Radon Mitigation and Testing

Q: What EPA Radon Zone is Odessa in?

Odessa is in Lincoln County, EPA Zone 2.

Q: How much does radon mitigation cost in Odessa?

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

Lincoln County

EPA Zone 2

Nestled in Lincoln County within eastern Washington's agricultural heartland, Odessa is built on Columbia River basalt formations that typically yield lower radon concentrations. The community features a mix of early-to-mid 20th century farmhouses and newer residential construction, many with partial basements or crawl space foundations. Testing data for zip code 99159 is currently limited, making individual home testing essential for residents to understand their radon exposure levels.

Odessa, WA Radon Mitigation

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

Odessa, WA Radon Testing

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

Odessa Radon Facts

Key details about the radon risk profile for Odessa and the 99159 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lincoln County, WA

Zip Code

99159

Predicted Screening Level

2–4 pCi/L (Zone 2)

Odessa and the 99159 zip code are located in Lincoln 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 Odessa, WA

What EPA Radon Zone is Odessa in?

Odessa and the 99159 zip code are in Lincoln 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 Odessa?

Radon mitigation in Odessa 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 Odessa?

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