Marquand, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Marquand in?

Marquand is in Madison County, EPA Zone 2.

Q: How much does radon mitigation cost in Marquand?

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

Madison County

EPA Zone 2

Found in rural Madison County in southeastern Missouri, Marquand sits within the Ozark foothills where dolomite and limestone formations can produce moderate radon levels. Testing information for zip code 63655 is currently limited, emphasizing the need for individual home testing. Residents should establish baseline radon measurements given the area's geological characteristics.

Marquand, MO Radon Mitigation

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

Marquand, MO Radon Testing

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

Marquand Radon Facts

Key details about the radon risk profile for Marquand and the 63655 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Madison County, MO

Zip Code

63655

Predicted Screening Level

2–4 pCi/L (Zone 2)

Marquand and the 63655 zip code are located in Madison 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 Marquand, MO

What EPA Radon Zone is Marquand in?

Marquand and the 63655 zip code are in Madison 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 Marquand?

Radon mitigation in Marquand 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 Marquand?

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