Napoleon, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Napoleon in?

Napoleon is in Lafayette County, EPA Zone 2.

Q: How much does radon mitigation cost in Napoleon?

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

Lafayette County

EPA Zone 2

Positioned along the Missouri River in Lafayette County, Napoleon lies within the greater Kansas City metropolitan area amid fertile river bottomlands. The community's older housing stock and proximity to limestone bedrock can influence radon accumulation patterns. With no current testing data available, residents should prioritize professional radon measurements to determine if mitigation measures are necessary.

Napoleon, MO Radon Mitigation

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

Napoleon, MO Radon Testing

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

Napoleon Radon Facts

Key details about the radon risk profile for Napoleon and the 64074 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Lafayette County, MO

Zip Code

64074

Predicted Screening Level

2–4 pCi/L (Zone 2)

Napoleon and the 64074 zip code are located in Lafayette 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 Napoleon, MO

What EPA Radon Zone is Napoleon in?

Napoleon and the 64074 zip code are in Lafayette 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 Napoleon?

Radon mitigation in Napoleon 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 Napoleon?

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