Edgerton, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Edgerton in?

Edgerton is in Johnson County, EPA Zone 1.

Q: How much does radon mitigation cost in Edgerton?

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

Johnson County

EPA Zone 1

Positioned in Johnson County within the Kansas City metro area, Edgerton sits on Pennsylvanian limestone and shale formations beneath prairie soils. The community has experienced significant growth with modern residential developments joining established neighborhoods, most featuring full basements typical of the region's construction practices. While specific testing data for ZIP code 66021 is not available, residents should test their homes given Kansas City area's variable radon potential across different geological formations.

Edgerton, KS Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Edgerton, KS Radon Testing

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

Edgerton Radon Facts

Key details about the radon risk profile for Edgerton and the 66021 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Johnson County, KS

Zip Code

66021

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Edgerton and the 66021 zip code are located in Johnson County, which has an EPA assigned Radon Zone of 1. A radon zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L. The EPA recommends testing every home regardless of zone classification.

Radon FAQ for Edgerton, KS

What EPA Radon Zone is Edgerton in?

Edgerton and the 66021 zip code are in Johnson County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Edgerton?

Radon mitigation in Edgerton 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 Edgerton?

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