Bethany, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Bethany in?

Bethany is in Harrison County, EPA Zone 2.

Q: How much does radon mitigation cost in Bethany?

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

Harrison County

EPA Zone 2

Bethany in Harrison County represents a small Missouri community in EPA Zone 2, where glacial till deposits over limestone bedrock create moderate radon potential. The town's housing includes many early-to-mid 1900s homes with full basements, providing enclosed spaces where radon can accumulate. With limited testing data available for zip code 64424, residents should test their homes to understand local radon conditions.

Bethany, MO Radon Mitigation

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

Bethany, MO Radon Testing

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

Bethany Radon Facts

Key details about the radon risk profile for Bethany and the 64424 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Harrison County, MO

Zip Code

64424

Predicted Screening Level

2–4 pCi/L (Zone 2)

Bethany and the 64424 zip code are located in Harrison 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 Bethany, MO

What EPA Radon Zone is Bethany in?

Bethany and the 64424 zip code are in Harrison 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 Bethany?

Radon mitigation in Bethany 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 Bethany?

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 Missouri

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

City	Avg User Radon Level	Submissions
Troy	8.50 pCi/L	4
Lees Summit	7.00 pCi/L	3
Columbia	3.00 pCi/L	2
House Springs	7.00 pCi/L	1
Kansas City	7.00 pCi/L	1
Springfield	7.00 pCi/L	1
Independence	5.00 pCi/L	1
Wentzville	No submissions	0