Williamsburg, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Williamsburg in?

Williamsburg is in Franklin County, EPA Zone 2.

Q: How much does radon mitigation cost in Williamsburg?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Franklin County

EPA Zone 2

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.

Williamsburg, KS Radon Testing

Finding qualified radon testing professionals is the first step toward protecting your home.

Williamsburg Radon Facts

Key details about the radon risk profile for Williamsburg and the 66095 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Franklin County, KS

Zip Code

66095

Predicted Screening Level

2–4 pCi/L (Zone 2)

Williamsburg and the 66095 zip code are located in Franklin County, which has an EPA assigned Radon Zone of 2. A radon zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

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 with the most user-submitted radon test data in the state.

City	Avg User Radon Level	Submissions
Topeka	6.00 pCi/L	1
Overland Park	No submissions	0