Allen, KS Radon Levels
Check local Allen radon levels and find certified testing and mitigation professionals to keep your home safe
Allen, KS Radon Facts
EPA Radon Zone
Zone 2 — Moderate Risk
2–4 pCi/L (Zone 2)
County
Lyon County, KS
Zip Code
66833
Situated in Lyon County in east-central Kansas, Allen lies within the Flint Hills region where limestone bedrock beneath prairie soils creates moderate radon potential. This small rural community in zip code 66833 features typical Great Plains housing including farmsteads and single-family homes, many with partial or full basements. Since radon testing data for Allen is currently limited, local homeowners should consider independent testing to establish baseline readings for their properties.
Allen, KS Radon Mitigation
Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.
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Radon FAQ for Allen, KS
What EPA Radon Zone is Allen in?
Allen and the 66833 zip code are in Lyon County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.
How much does radon mitigation cost in Allen?
Radon mitigation in Allen 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 Allen?
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 Kansas
Cities in Kansas with the most user-submitted radon test data, ranked by number of submissions.
| City | Avg User Radon Level | Submissions |
|---|---|---|
| Topeka | 6.00 pCi/L | 1 |
| Overland Park | No submissions | 0 |