Franklin, MO Radon Mitigation and Testing

Q: What EPA Radon Zone is Franklin in?

Franklin is in Howard County, EPA Zone 2.

Q: How much does radon mitigation cost in Franklin?

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

Howard County

EPA Zone 2

Franklin in Howard County is part of the Columbia Metro area in central Missouri's rolling hills region. While specific radon testing data for zip code 65250 is limited, the community sits in EPA Zone 2, indicating moderate radon potential. Homeowners in this area should test their properties, as Missouri's varied geology can produce unexpected radon levels even in areas with moderate overall risk.

Franklin, MO Radon Mitigation

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

Franklin, MO Radon Testing

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

Franklin Radon Facts

Key details about the radon risk profile for Franklin and the 65250 zip code area.

EPA Radon Zone

Zone 2 — Moderate Risk

County

Howard County, MO

Zip Code

65250

Predicted Screening Level

2–4 pCi/L (Zone 2)

Franklin and the 65250 zip code are located in Howard 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 Franklin, MO

What EPA Radon Zone is Franklin in?

Franklin and the 65250 zip code are in Howard 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 Franklin?

Radon mitigation in Franklin 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 Franklin?

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