Custer City, OK Radon Mitigation and Testing

Q: What EPA Radon Zone is Custer City in?

Custer City is in Custer County, EPA Zone 3.

Q: How much does radon mitigation cost in Custer City?

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

Custer County

EPA Zone 3

Located in Custer County in western Oklahoma, Custer City sits on red beds and gypsum deposits of the Permian-age formations. Limited testing data exists for this 73639 community, highlighting the need for individual home radon assessments among residents. The area's sedimentary geology and evaporite deposits can create unpredictable conditions for radon gas accumulation and transport.

Custer City, OK Radon Mitigation

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

Custer City, OK Radon Testing

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

Custer City Radon Facts

Key details about the radon risk profile for Custer City and the 73639 zip code area.

EPA Radon Zone

Zone 3 — Low Risk

County

Custer County, OK

Zip Code

73639

Predicted Screening Level

< 2.0 pCi/L (Zone 3)

Custer City and the 73639 zip code are located in Custer 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 Custer City, OK

What EPA Radon Zone is Custer City in?

Custer City and the 73639 zip code are in Custer 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 Custer City?

Radon mitigation in Custer City 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 Custer City?

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