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      Topeka, KS Radon Levels

      Check local Topeka radon levels and find certified testing and mitigation professionals to keep your home safe

      Topeka, KS Radon Facts

      EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
      County Shawnee County, KS
      Zip Code 66603
      Avg. User Level 6.00 pCi/L
      User Tests 1

      The capital city of Kansas in Shawnee County shows radon levels of 6.0 pCi/L, which exceeds the EPA action level of 4.0 pCi/L. Built on limestone formations typical of the Kansas River valley, Topeka's housing stock includes many homes with full basements where radon can accumulate. Residents across multiple zip codes including 66603-66621 should consider radon mitigation systems to reduce exposure levels.

      6.00
      pCi/L average
      Above EPA Action Level

      Based on 1 user-submitted radon test for homes in Topeka, KS. The EPA recommends taking action at or above 4.0 pCi/L.

      0
      4.0 EPA
      10+

      Topeka, KS 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 Topeka?

      • 100% Free, No-Obligation Quotes
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      Topeka, KS Radon Levels

      User-submitted radon test readings from homes in the Topeka area.

      Radon LevelCityHome AgeFoundation
      6 pCi/L Topeka, KS 21-50 Years Full Basement

      Have a radon test result for Topeka? Submit your reading to help other homeowners.

      Radon FAQ for Topeka, KS

      What is the average radon level in Topeka, KS?
      Based on 1 user-submitted test, the average radon level in Topeka is 6.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.
      What EPA Radon Zone is Topeka in?
      Topeka and the 66603 zip code are in Shawnee 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 Topeka?
      Radon mitigation in Topeka 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 Topeka?
      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.

      CityAvg User Radon LevelSubmissions
      Topeka 6.00 pCi/L 1
      Overland Park No submissions 0

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      Free Radon Mitigation Quote

      Or call for a free quote: 1-800-299-3578 Local: 913-210-0134

      A licensed contractor will contact you immediately.

      * Required