Seminole, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Seminole in?

Seminole is in Seminole County, EPA Zone 3.

Q: How much does radon mitigation cost in Seminole?

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

Seminole County

EPA Zone 3

Situated in Seminole County in central Oklahoma, Seminole sits over Permian sandstone and shale formations that generally produce low to moderate radon levels. Current testing data for zip code 74868 is limited, though the area's geology typically results in readings below EPA action thresholds. Local housing includes both older oil boom-era construction and newer development, with many homes featuring crawl space or slab-on-grade foundations.

Seminole, OK Radon Mitigation

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

Seminole, OK Radon Testing

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

Seminole Radon Facts

Key details about the radon risk profile for Seminole and the 74868 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Seminole County, OK

Zip Code

74868

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Seminole and the 74868 zip code are located in Seminole 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 Seminole, OK

What EPA Radon Zone is Seminole in?

Seminole and the 74868 zip code are in Seminole 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 Seminole?

Radon mitigation in Seminole 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 Seminole?

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