Chester, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Chester in?

Chester is in Major County, EPA Zone 3.

Q: How much does radon mitigation cost in Chester?

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

Major County

EPA Zone 3

Located in Major County in northwestern Oklahoma, Chester sits within EPA Zone 3, indicating relatively low radon potential. Testing data remains limited for this rural community in zip code 73838, making professional radon testing essential for homeowners. Given Oklahoma's varied geological conditions and the potential for elevated readings in individual homes, we strongly encourage residents to conduct baseline radon measurements.

Chester, OK Radon Mitigation

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

Chester, OK Radon Testing

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

Chester Radon Facts

Key details about the radon risk profile for Chester and the 73838 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Major County, OK

Zip Code

73838

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Chester and the 73838 zip code are located in Major 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 Chester, OK

What EPA Radon Zone is Chester in?

Chester and the 73838 zip code are in Major 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 Chester?

Radon mitigation in Chester 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 Chester?

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