Annapolis, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Annapolis in?

Annapolis is in Iron County, EPA Zone 1.

Q: How much does radon mitigation cost in Annapolis?

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

Iron County

EPA Zone 1

Tucked away in Missouri's Iron County, Annapolis sits within the Ozark region where ancient granite and volcanic rock formations typically contribute to the state's elevated radon potential. The rural community's scattered housing includes both historic properties and newer rural development throughout the 63620 area. Given the lack of comprehensive testing data for this region, residents should conduct professional radon testing to determine their individual property's exposure levels.

Annapolis, MO Radon Mitigation

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

Annapolis, MO Radon Testing

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

Annapolis Radon Facts

Key details about the radon risk profile for Annapolis and the 63620 zip code area.

EPA Radon Zone

Zone 1 — High Risk

County

Iron County, MO

Zip Code

63620

Predicted Screening Level

> 4.0 pCi/L (Zone 1)

Annapolis and the 63620 zip code are located in Iron 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 Annapolis, MO

What EPA Radon Zone is Annapolis in?

Annapolis and the 63620 zip code are in Iron 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 Annapolis?

Radon mitigation in Annapolis 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 Annapolis?

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