Saint Joseph, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Saint Joseph in?

Saint Joseph is in Buchanan County, EPA Zone 1.

Q: How much does radon mitigation cost in Saint Joseph?

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

Buchanan County

EPA Zone 1

Saint Joseph, MO resides in Buchanan 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. Testing is recommended for all homes in the 64501 zip code area.

Saint Joseph, MO Radon Mitigation

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

Saint Joseph, MO Radon Testing

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

Saint Joseph Radon Facts

Key details about the radon risk profile for Saint Joseph and the 64501 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Buchanan County, MO

Zip Code

64501

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Saint Joseph and the 64501 zip code are located in Buchanan 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 Saint Joseph, MO

What EPA Radon Zone is Saint Joseph in?

Saint Joseph and the 64501 zip code are in Buchanan 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 Saint Joseph?

Radon mitigation in Saint Joseph 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 Saint Joseph?

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