Hollis, OK Radon Levels
Check local Hollis radon levels and find certified testing and mitigation professionals to keep your home safe
Hollis, OK Radon Facts
EPA Radon Zone
Zone 3 — Low Risk
< 2.0 pCi/L (Zone 3)
County
Harmon County, OK
Zip Code
73550
Remote Harmon County encompasses Hollis in Oklahoma's southwestern plains, where Permian redbeds and gypsum formations characterize the local geology. Although radon testing data for zip code 73550 is currently limited, residents should establish baseline readings through professional testing. The area's typical single-story homes with slab-on-grade or crawl space foundations reflect construction practices adapted to the region's expansive soils and extreme weather patterns.
Hollis, 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 Hollis?
- 100% Free, No-Obligation Quotes
- Matches You with State-Licensed Harmon County Pros
1-800-299-3578
Toll-free · Mon–Fri 8am–6pm ET
Radon FAQ for Hollis, OK
What EPA Radon Zone is Hollis in?
Hollis and the 73550 zip code are in Harmon 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 Hollis?
Radon mitigation in Hollis 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 Hollis?
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 |