Overland Park, KS Radon Mitigation and Testing

Q: What EPA Radon Zone is Overland Park in?

Overland Park is in Johnson County, EPA Zone 1.

Q: How much does radon mitigation cost in Overland Park?

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

This major suburb in Johnson County represents one of the Kansas City Metro's largest communities, built primarily during the post-war suburban expansion with predominantly single-family homes featuring full basements. While specific radon testing data for individual zip codes remains limited, the area sits in EPA Zone 1, indicating high radon potential. Homeowners across Overland Park's numerous zip codes should conduct radon testing due to the region's limestone bedrock and favorable geological conditions for radon production.

Overland Park, KS Radon Mitigation

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

Overland Park, KS Radon Testing

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

Overland Park Radon Facts

Key details about the radon risk profile for Overland Park and the 66204 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Johnson County, KS

Zip Code

66204

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Overland Park and the 66204 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 Overland Park, KS

What EPA Radon Zone is Overland Park in?

Overland Park and the 66204 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 Overland Park?

Radon mitigation in Overland Park 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 Overland Park?

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