Foss, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Foss in?

Foss is in Washita County, EPA Zone 3.

Q: How much does radon mitigation cost in Foss?

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

Washita County

EPA Zone 3

Positioned in Washita County in west-central Oklahoma, Foss sits over Permian-age red beds and gypsum formations that typically produce lower radon levels. Current testing data is insufficient for this 73647 zip code area, making individual home testing important for accurate assessment. The community's rural character with widely spaced homes built on various foundation types means radon levels can vary considerably from property to property.

Foss, OK Radon Mitigation

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

Foss, OK Radon Testing

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

Foss Radon Facts

Key details about the radon risk profile for Foss and the 73647 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Washita County, OK

Zip Code

73647

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Foss and the 73647 zip code are located in Washita 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 Foss, OK

What EPA Radon Zone is Foss in?

Foss and the 73647 zip code are in Washita 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 Foss?

Radon mitigation in Foss 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 Foss?

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 Oklahoma

Cities with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Tulsa	8.14 pCi/L	7
Oklahoma City	7.00 pCi/L	1
Edmond	5.00 pCi/L	1