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Williamsburg, KS Radon Levels

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


Williamsburg, KS Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)
County Franklin County, KS
Zip Code 66095

Established in Franklin County within eastern Kansas, Williamsburg sits in EPA Zone 2 where Pennsylvanian limestone and shale formations create moderate radon potential. Testing data for this 66095 community is presently limited, making individual property assessment valuable for homeowners. The area's sedimentary geology, typical of the Osage Plains region, can produce variable radon levels depending on specific bedrock characteristics and construction details.

Williamsburg, 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 Williamsburg, KS

What EPA Radon Zone is Williamsburg in?
Williamsburg and the 66095 zip code are in Franklin 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 Williamsburg?
Radon mitigation in Williamsburg 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 Williamsburg?
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