Afton, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Afton in?

Afton is in Delaware County, EPA Zone 2.

Q: How much does radon mitigation cost in Afton?

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

Delaware County

EPA Zone 2

Positioned in Delaware County in northeastern Oklahoma, Afton's location near the Ozark Plateau creates moderate radon conditions influenced by underlying limestone formations. Testing data for zip code 74331 remains limited, making individual home testing essential for residents. The community's mix of older and newer housing stock, including homes with various foundation types, means radon levels can vary considerably from property to property.

Afton, OK Radon Mitigation

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

Afton, OK Radon Testing

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

Afton Radon Facts

Key details about the radon risk profile for Afton and the 74331 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Delaware County, OK

Zip Code

74331

Predicted Screening Level

2–4 pCi/L (Zone 2)

Afton and the 74331 zip code are located in Delaware 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 Afton, OK

What EPA Radon Zone is Afton in?

Afton and the 74331 zip code are in Delaware 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 Afton?

Radon mitigation in Afton 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 Afton?

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