Billings, OK Radon Levels
Check local Billings radon levels and find certified testing and mitigation professionals to keep your home safe
Billings, OK Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Noble County, OK
Zip Code
74630
Located in Noble County in north-central Oklahoma, this small community sits atop Permian-era sedimentary rocks that generally produce lower radon levels. Testing data for zip code 74630 remains limited, making it important for local homeowners to conduct radon testing to establish baseline readings. The area's mixed housing stock includes both older farmsteads and newer manufactured homes on various foundation types.
Billings, OK Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
Need Radon Mitigation or Testing in Billings?
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Radon FAQ for Billings, OK
What EPA Radon Zone is Billings in?
Billings and the 74630 zip code are in Noble 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 Billings?
Radon mitigation in Billings 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 Billings?
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 in Oklahoma with the most user-submitted radon test data, ranked by number of submissions.
| 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 |